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Galilean moons of Jupiter version B

1. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) radioactive decay of heavy elements
c) radiation from the Sun
d) tides from Jupiter
e) tides from the other moons and Jupiter

2. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Europa
c) Ganymede
d) Two other answers are correct (making this the only true answer).
e) Ganymede

3. How does the mass of a Galilean moon depend on its distance from the central body?

a) the less massive moon is closer to Jupiter (always)
b) the mass of the moons is unknown
c) the most massive moon is neither the closest nor the most distant
d) all the moons have nearly the same mass
e) the more massive moon is closer to Jupiter (always)

4. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) orbital period
b) Argon isotope abundance
c) Two other answers are correct (making this the only true answer).
d) density
e) rotational period

5. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) no, the surface is too new
c) yes, from impacts
d) no, the surface is too old
e) yes, about half from impacts and the others from volcanoes

6. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the density of the moons is unknown
b) the most dense moon is neither the closest nor the most distant
c) all the moons have nearly the same density
d) the less dense moon is closer to Jupiter (always)
e) the more dense moon is closer to Jupiter (always)

7. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) The different moons yielded slightly different values for the mass of Jupiter.
c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
d) Only the mass of Jupiter relative to that of the Sun could be determined.
e) tides from the other moons and Jupiter.

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Galilean moons of Jupiter version C

1. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) Argon isotope abundance
c) orbital period
d) Two other answers are correct (making this the only true answer).
e) density

2. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) yes, about half from impacts and the others from volcanoes
c) yes, from volcanoes
d) yes, from impacts
e) no, the surface is too old

3. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) Only the mass of Jupiter relative to that of the Sun could be determined.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) The different moons yielded vastly different values for the mass of Jupiter.

4. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Io
c) Ganymede
d) Two other answers are correct (making this the only true answer).
e) Ganymede

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) the less massive moon is closer to Jupiter (always)
b) the most massive moon is neither the closest nor the most distant
c) all the moons have nearly the same mass
d) the more massive moon is closer to Jupiter (always)
e) the mass of the moons is unknown

6. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun
b) tides from Jupiter
c) tides from the other moons and Jupiter
d) radiation from the Sun and from Jupiter
e) radioactive decay of heavy elements

7. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the density of the moons is unknown
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) the less dense moon is closer to Jupiter (always)
e) all the moons have nearly the same density

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Galilean moons of Jupiter version D

1. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the more dense moon is closer to Jupiter (always)
c) the density of the moons is unknown
d) the most dense moon is neither the closest nor the most distant
e) all the moons have nearly the same density

2. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Europa
c) Two other answers are correct (making this the only true answer).
d) Io
e) Ganymede

3. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) yes, from volcanoes
c) yes, about half from impacts and the others from volcanoes
d) yes, from impacts
e) no, the surface is too old

4. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) density
b) rotational period
c) Two other answers are correct (making this the only true answer).
d) Argon isotope abundance
e) orbital period

5. The mechanism that heats the cores of the Galilean moons is

a) tides from Jupiter
b) radiation from the Sun
c) tides from the other moons and Jupiter
d) radiation from the Sun and from Jupiter
e) radioactive decay of heavy elements

6. How does the mass of a Galilean moon depend on its distance from the central body?

a) the most massive moon is neither the closest nor the most distant
b) the more massive moon is closer to Jupiter (always)
c) the less massive moon is closer to Jupiter (always)
d) the mass of the moons is unknown
e) all the moons have nearly the same mass

7. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) The different moons yielded vastly different values for the mass of Jupiter.
d) Only the mass of Jupiter relative to that of the Sun could be determined.
e) The different moons yielded slightly different values for the mass of Jupiter.

Your score is 0 / 0

Galilean moons of Jupiter version E

1. Does Jupiter's moon Io have craters?

a) no, the surface is too old
b) yes, about half from impacts and the others from volcanoes
c) yes, from impacts
d) yes, from volcanoes
e) no, the surface is too new

2. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the less massive moon is closer to Jupiter (always)
e) the mass of the moons is unknown

3. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Argon isotope abundance
b) orbital period
c) Two other answers are correct (making this the only true answer).
d) rotational period
e) density

4. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) Only the mass of Jupiter relative to that of the Sun could be determined.
c) tides from the other moons and Jupiter.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.

5. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) radiation from the Sun
c) tides from the other moons and Jupiter
d) tides from Jupiter
e) radioactive decay of heavy elements

6. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the density of the moons is unknown
b) the more dense moon is closer to Jupiter (always)
c) all the moons have nearly the same density
d) the most dense moon is neither the closest nor the most distant
e) the less dense moon is closer to Jupiter (always)

7. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Ganymede
c) Two other answers are correct (making this the only true answer).
d) Ganymede
e) Europa

Your score is 0 / 0

Galilean moons of Jupiter version F

1. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the more dense moon is closer to Jupiter (always)
c) the density of the moons is unknown
d) the most dense moon is neither the closest nor the most distant
e) all the moons have nearly the same density

2. The mechanism that heats the cores of the Galilean moons is

a) tides from the other moons and Jupiter
b) tides from Jupiter
c) radiation from the Sun and from Jupiter
d) radiation from the Sun
e) radioactive decay of heavy elements

3. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) tides from the other moons and Jupiter.
d) Only the mass of Jupiter relative to that of the Sun could be determined.
e) The different moons yielded slightly different values for the mass of Jupiter.

4. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Ganymede
c) Io
d) Ganymede
e) Two other answers are correct (making this the only true answer).

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) all the moons have nearly the same mass
b) the more massive moon is closer to Jupiter (always)
c) the less massive moon is closer to Jupiter (always)
d) the mass of the moons is unknown
e) the most massive moon is neither the closest nor the most distant

6. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) density
b) Argon isotope abundance
c) orbital period
d) rotational period
e) Two other answers are correct (making this the only true answer).

7. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) no, the surface is too old
c) yes, from impacts
d) yes, about half from impacts and the others from volcanoes
e) no, the surface is too new

Your score is 0 / 0

Galilean moons of Jupiter version G

1. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) The different moons yielded slightly different values for the mass of Jupiter.
c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
d) The different moons yielded vastly different values for the mass of Jupiter.
e) Only the mass of Jupiter relative to that of the Sun could be determined.

2. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Io
c) Ganymede
d) Two other answers are correct (making this the only true answer).
e) Europa

3. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) the density of the moons is unknown
e) all the moons have nearly the same density

4. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) no, the surface is too new
c) yes, about half from impacts and the others from volcanoes
d) no, the surface is too old
e) yes, from impacts

5. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) density
c) orbital period
d) Two other answers are correct (making this the only true answer).
e) Argon isotope abundance

6. How does the mass of a Galilean moon depend on its distance from the central body?

a) the most massive moon is neither the closest nor the most distant
b) the less massive moon is closer to Jupiter (always)
c) the more massive moon is closer to Jupiter (always)
d) all the moons have nearly the same mass
e) the mass of the moons is unknown

7. The mechanism that heats the cores of the Galilean moons is

a) tides from the other moons and Jupiter
b) tides from Jupiter
c) radiation from the Sun
d) radiation from the Sun and from Jupiter
e) radioactive decay of heavy elements

Your score is 0 / 0

Galilean moons of Jupiter version H

1. Does Jupiter's moon Io have craters?

a) yes, about half from impacts and the others from volcanoes
b) no, the surface is too new
c) yes, from impacts
d) no, the surface is too old
e) yes, from volcanoes

2. How does the mass of a Galilean moon depend on its distance from the central body?

a) all the moons have nearly the same mass
b) the most massive moon is neither the closest nor the most distant
c) the more massive moon is closer to Jupiter (always)
d) the mass of the moons is unknown
e) the less massive moon is closer to Jupiter (always)

3. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Ganymede
c) Two other answers are correct (making this the only true answer).
d) Europa
e) Ganymede

4. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the more dense moon is closer to Jupiter (always)
c) the most dense moon is neither the closest nor the most distant
d) all the moons have nearly the same density
e) the density of the moons is unknown

5. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) radioactive decay of heavy elements
c) tides from Jupiter
d) radiation from the Sun
e) tides from the other moons and Jupiter

6. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) density
b) Two other answers are correct (making this the only true answer).
c) orbital period
d) rotational period
e) Argon isotope abundance

7. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) Only the mass of Jupiter relative to that of the Sun could be determined.
b) The different moons yielded vastly different values for the mass of Jupiter.
c) The different moons yielded slightly different values for the mass of Jupiter.
d) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
e) tides from the other moons and Jupiter.

Your score is 0 / 0

Galilean moons of Jupiter version I

1. How does the density of a Galilean moon depend on its distance from Jupiter?

a) all the moons have nearly the same density
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) the density of the moons is unknown
e) the less dense moon is closer to Jupiter (always)

2. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Europa
c) Two other answers are correct (making this the only true answer).
d) Io
e) Ganymede

3. The mechanism that heats the cores of the Galilean moons is

a) tides from the other moons and Jupiter
b) radiation from the Sun and from Jupiter
c) radioactive decay of heavy elements
d) tides from Jupiter
e) radiation from the Sun

4. How does the mass of a Galilean moon depend on its distance from the central body?

a) all the moons have nearly the same mass
b) the less massive moon is closer to Jupiter (always)
c) the mass of the moons is unknown
d) the most massive moon is neither the closest nor the most distant
e) the more massive moon is closer to Jupiter (always)

5. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) Argon isotope abundance
c) density
d) orbital period
e) Two other answers are correct (making this the only true answer).

6. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) Only the mass of Jupiter relative to that of the Sun could be determined.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) The different moons yielded vastly different values for the mass of Jupiter.

7. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) no, the surface is too new
c) yes, from impacts
d) no, the surface is too old
e) yes, about half from impacts and the others from volcanoes

Your score is 0 / 0

Galilean moons of Jupiter version J

1. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) all the moons have nearly the same density
c) the most dense moon is neither the closest nor the most distant
d) the more dense moon is closer to Jupiter (always)
e) the density of the moons is unknown

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
b) Only the mass of Jupiter relative to that of the Sun could be determined.
c) The different moons yielded slightly different values for the mass of Jupiter.
d) The different moons yielded vastly different values for the mass of Jupiter.
e) tides from the other moons and Jupiter.

3. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) orbital period
c) density
d) Two other answers are correct (making this the only true answer).
e) Argon isotope abundance

4. Does Jupiter's moon Io have craters?

a) yes, from impacts
b) no, the surface is too new
c) yes, about half from impacts and the others from volcanoes
d) no, the surface is too old
e) yes, from volcanoes

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the mass of the moons is unknown
e) the less massive moon is closer to Jupiter (always)

6. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Ganymede
c) Ganymede
d) Two other answers are correct (making this the only true answer).
e) Europa

7. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) radioactive decay of heavy elements
c) radiation from the Sun
d) tides from Jupiter
e) tides from the other moons and Jupiter

Your score is 0 / 0

Galilean moons of Jupiter version K

1. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) The different moons yielded slightly different values for the mass of Jupiter.
c) Only the mass of Jupiter relative to that of the Sun could be determined.
d) The different moons yielded vastly different values for the mass of Jupiter.
e) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.

2. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the more dense moon is closer to Jupiter (always)
b) the most dense moon is neither the closest nor the most distant
c) the density of the moons is unknown
d) all the moons have nearly the same density
e) the less dense moon is closer to Jupiter (always)

3. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) the most massive moon is neither the closest nor the most distant
c) the mass of the moons is unknown
d) the less massive moon is closer to Jupiter (always)
e) all the moons have nearly the same mass

4. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Ganymede
c) Two other answers are correct (making this the only true answer).
d) Europa
e) Io

5. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun
b) tides from the other moons and Jupiter
c) radiation from the Sun and from Jupiter
d) radioactive decay of heavy elements
e) tides from Jupiter

6. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) orbital period
c) Argon isotope abundance
d) density
e) Two other answers are correct (making this the only true answer).

7. Does Jupiter's moon Io have craters?

a) yes, about half from impacts and the others from volcanoes
b) yes, from volcanoes
c) no, the surface is too new
d) no, the surface is too old
e) yes, from impacts

Your score is 0 / 0

Galilean moons of Jupiter version L

1. How does the density of a Galilean moon depend on its distance from Jupiter?

a) all the moons have nearly the same density
b) the less dense moon is closer to Jupiter (always)
c) the most dense moon is neither the closest nor the most distant
d) the more dense moon is closer to Jupiter (always)
e) the density of the moons is unknown

2. How does the mass of a Galilean moon depend on its distance from the central body?

a) the most massive moon is neither the closest nor the most distant
b) all the moons have nearly the same mass
c) the mass of the moons is unknown
d) the less massive moon is closer to Jupiter (always)
e) the more massive moon is closer to Jupiter (always)

3. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Io
c) Ganymede
d) Two other answers are correct (making this the only true answer).
e) Europa

4. The mechanism that heats the cores of the Galilean moons is

a) tides from Jupiter
b) tides from the other moons and Jupiter
c) radioactive decay of heavy elements
d) radiation from the Sun and from Jupiter
e) radiation from the Sun

5. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) tides from the other moons and Jupiter.
d) Only the mass of Jupiter relative to that of the Sun could be determined.
e) The different moons yielded slightly different values for the mass of Jupiter.

6. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) Two other answers are correct (making this the only true answer).
c) orbital period
d) density
e) Argon isotope abundance

7. Does Jupiter's moon Io have craters?

a) yes, about half from impacts and the others from volcanoes
b) yes, from impacts
c) no, the surface is too new
d) no, the surface is too old
e) yes, from volcanoes

Your score is 0 / 0

Galilean moons of Jupiter version M

1. The mechanism that heats the cores of the Galilean moons is

a) radioactive decay of heavy elements
b) tides from the other moons and Jupiter
c) tides from Jupiter
d) radiation from the Sun
e) radiation from the Sun and from Jupiter

2. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) density
c) orbital period
d) Two other answers are correct (making this the only true answer).
e) Argon isotope abundance

3. Does Jupiter's moon Io have craters?

a) no, the surface is too old
b) yes, from volcanoes
c) yes, from impacts
d) yes, about half from impacts and the others from volcanoes
e) no, the surface is too new

4. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Europa
c) Ganymede
d) Ganymede
e) Two other answers are correct (making this the only true answer).

5. How does the density of a Galilean moon depend on its distance from Jupiter?

a) all the moons have nearly the same density
b) the more dense moon is closer to Jupiter (always)
c) the less dense moon is closer to Jupiter (always)
d) the most dense moon is neither the closest nor the most distant
e) the density of the moons is unknown

6. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) Only the mass of Jupiter relative to that of the Sun could be determined.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) The different moons yielded slightly different values for the mass of Jupiter.
d) The different moons yielded vastly different values for the mass of Jupiter.
e) tides from the other moons and Jupiter.

7. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the less massive moon is closer to Jupiter (always)
d) the most massive moon is neither the closest nor the most distant
e) the mass of the moons is unknown

Your score is 0 / 0

Galilean moons of Jupiter version N

1. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the most dense moon is neither the closest nor the most distant
b) the more dense moon is closer to Jupiter (always)
c) the density of the moons is unknown
d) the less dense moon is closer to Jupiter (always)
e) all the moons have nearly the same density

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded slightly different values for the mass of Jupiter.
b) tides from the other moons and Jupiter.
c) The different moons yielded vastly different values for the mass of Jupiter.
d) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
e) Only the mass of Jupiter relative to that of the Sun could be determined.

3. How does the mass of a Galilean moon depend on its distance from the central body?

a) the mass of the moons is unknown
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the less massive moon is closer to Jupiter (always)
e) the more massive moon is closer to Jupiter (always)

4. Which of Jupiter's moons has an anhydrous core?

a) Two other answers are correct (making this the only true answer).
b) Europa
c) Ganymede
d) Ganymede
e) Io

5. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) orbital period
b) density
c) Argon isotope abundance
d) rotational period
e) Two other answers are correct (making this the only true answer).

6. The mechanism that heats the cores of the Galilean moons is

a) radioactive decay of heavy elements
b) radiation from the Sun
c) tides from Jupiter
d) radiation from the Sun and from Jupiter
e) tides from the other moons and Jupiter

7. Does Jupiter's moon Io have craters?

a) yes, from impacts
b) no, the surface is too old
c) yes, about half from impacts and the others from volcanoes
d) yes, from volcanoes
e) no, the surface is too new

Your score is 0 / 0

Galilean moons of Jupiter version O

1. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Ganymede
c) Two other answers are correct (making this the only true answer).
d) Ganymede
e) Io

2. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the more dense moon is closer to Jupiter (always)
c) the density of the moons is unknown
d) the most dense moon is neither the closest nor the most distant
e) all the moons have nearly the same density

3. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the mass of the moons is unknown
e) the less massive moon is closer to Jupiter (always)

4. The mechanism that heats the cores of the Galilean moons is

a) tides from Jupiter
b) tides from the other moons and Jupiter
c) radiation from the Sun and from Jupiter
d) radiation from the Sun
e) radioactive decay of heavy elements

5. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) orbital period
b) Two other answers are correct (making this the only true answer).
c) density
d) Argon isotope abundance
e) rotational period

6. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) yes, from impacts
c) no, the surface is too new
d) no, the surface is too old
e) yes, about half from impacts and the others from volcanoes

7. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
b) The different moons yielded slightly different values for the mass of Jupiter.
c) tides from the other moons and Jupiter.
d) Only the mass of Jupiter relative to that of the Sun could be determined.
e) The different moons yielded vastly different values for the mass of Jupiter.

Your score is 0 / 0

Galilean moons of Jupiter version P

1. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Europa
c) Two other answers are correct (making this the only true answer).
d) Io
e) Ganymede

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) Only the mass of Jupiter relative to that of the Sun could be determined.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) tides from the other moons and Jupiter.
d) The different moons yielded vastly different values for the mass of Jupiter.
e) The different moons yielded slightly different values for the mass of Jupiter.

3. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) yes, from impacts
c) yes, from volcanoes
d) no, the surface is too old
e) yes, about half from impacts and the others from volcanoes

4. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the most dense moon is neither the closest nor the most distant
b) the less dense moon is closer to Jupiter (always)
c) the more dense moon is closer to Jupiter (always)
d) all the moons have nearly the same density
e) the density of the moons is unknown

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) all the moons have nearly the same mass
b) the most massive moon is neither the closest nor the most distant
c) the more massive moon is closer to Jupiter (always)
d) the less massive moon is closer to Jupiter (always)
e) the mass of the moons is unknown

6. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) radioactive decay of heavy elements
c) tides from Jupiter
d) tides from the other moons and Jupiter
e) radiation from the Sun

7. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Argon isotope abundance
b) density
c) rotational period
d) orbital period
e) Two other answers are correct (making this the only true answer).

Your score is 0 / 0

Galilean moons of Jupiter version Q

1. How does the mass of a Galilean moon depend on its distance from the central body?

a) all the moons have nearly the same mass
b) the mass of the moons is unknown
c) the less massive moon is closer to Jupiter (always)
d) the more massive moon is closer to Jupiter (always)
e) the most massive moon is neither the closest nor the most distant

2. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Two other answers are correct (making this the only true answer).
b) Argon isotope abundance
c) density
d) orbital period
e) rotational period

3. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the more dense moon is closer to Jupiter (always)
b) the density of the moons is unknown
c) the most dense moon is neither the closest nor the most distant
d) all the moons have nearly the same density
e) the less dense moon is closer to Jupiter (always)

4. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun
b) tides from Jupiter
c) radioactive decay of heavy elements
d) radiation from the Sun and from Jupiter
e) tides from the other moons and Jupiter

5. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) Only the mass of Jupiter relative to that of the Sun could be determined.
c) The different moons yielded vastly different values for the mass of Jupiter.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.

6. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Two other answers are correct (making this the only true answer).
c) Io
d) Ganymede
e) Ganymede

7. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) yes, about half from impacts and the others from volcanoes
c) yes, from volcanoes
d) yes, from impacts
e) no, the surface is too old

Your score is 0 / 0

Galilean moons of Jupiter version R

1. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Two other answers are correct (making this the only true answer).
b) rotational period
c) density
d) orbital period
e) Argon isotope abundance

2. The mechanism that heats the cores of the Galilean moons is

a) radioactive decay of heavy elements
b) radiation from the Sun and from Jupiter
c) radiation from the Sun
d) tides from the other moons and Jupiter
e) tides from Jupiter

3. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the most dense moon is neither the closest nor the most distant
b) the density of the moons is unknown
c) the more dense moon is closer to Jupiter (always)
d) the less dense moon is closer to Jupiter (always)
e) all the moons have nearly the same density

4. How does the mass of a Galilean moon depend on its distance from the central body?

a) all the moons have nearly the same mass
b) the less massive moon is closer to Jupiter (always)
c) the mass of the moons is unknown
d) the more massive moon is closer to Jupiter (always)
e) the most massive moon is neither the closest nor the most distant

5. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Ganymede
c) Two other answers are correct (making this the only true answer).
d) Europa
e) Io

6. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
b) tides from the other moons and Jupiter.
c) Only the mass of Jupiter relative to that of the Sun could be determined.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) The different moons yielded vastly different values for the mass of Jupiter.

7. Does Jupiter's moon Io have craters?

a) yes, from impacts
b) no, the surface is too new
c) no, the surface is too old
d) yes, about half from impacts and the others from volcanoes
e) yes, from volcanoes

Your score is 0 / 0

Galilean moons of Jupiter version S

1. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) density
c) orbital period
d) Two other answers are correct (making this the only true answer).
e) Argon isotope abundance

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) Only the mass of Jupiter relative to that of the Sun could be determined.
b) The different moons yielded slightly different values for the mass of Jupiter.
c) tides from the other moons and Jupiter.
d) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
e) The different moons yielded vastly different values for the mass of Jupiter.

3. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) tides from Jupiter
c) tides from the other moons and Jupiter
d) radioactive decay of heavy elements
e) radiation from the Sun

4. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Two other answers are correct (making this the only true answer).
c) Europa
d) Io
e) Ganymede

5. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) all the moons have nearly the same density
c) the more dense moon is closer to Jupiter (always)
d) the density of the moons is unknown
e) the most dense moon is neither the closest nor the most distant

6. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) the less massive moon is closer to Jupiter (always)
c) all the moons have nearly the same mass
d) the most massive moon is neither the closest nor the most distant
e) the mass of the moons is unknown

7. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) no, the surface is too old
c) yes, about half from impacts and the others from volcanoes
d) no, the surface is too new
e) yes, from impacts

Your score is 0 / 0

Galilean moons of Jupiter version T

1. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Two other answers are correct (making this the only true answer).
c) Ganymede
d) Ganymede
e) Europa

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) Only the mass of Jupiter relative to that of the Sun could be determined.
c) tides from the other moons and Jupiter.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.

3. Does Jupiter's moon Io have craters?

a) no, the surface is too old
b) yes, from impacts
c) yes, from volcanoes
d) yes, about half from impacts and the others from volcanoes
e) no, the surface is too new

4. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) all the moons have nearly the same density
e) the density of the moons is unknown

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) the mass of the moons is unknown
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the less massive moon is closer to Jupiter (always)
e) the more massive moon is closer to Jupiter (always)

6. The mechanism that heats the cores of the Galilean moons is

a) tides from the other moons and Jupiter
b) radiation from the Sun and from Jupiter
c) radioactive decay of heavy elements
d) tides from Jupiter
e) radiation from the Sun

7. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Two other answers are correct (making this the only true answer).
b) orbital period
c) rotational period
d) Argon isotope abundance
e) density

Your score is 0 / 0

Galilean moons of Jupiter version U

1. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Two other answers are correct (making this the only true answer).
b) Argon isotope abundance
c) density
d) orbital period
e) rotational period

2. Which of Jupiter's moons has an anhydrous core?

a) Ganymede
b) Europa
c) Io
d) Ganymede
e) Two other answers are correct (making this the only true answer).

3. Does Jupiter's moon Io have craters?

a) yes, from impacts
b) no, the surface is too new
c) yes, about half from impacts and the others from volcanoes
d) no, the surface is too old
e) yes, from volcanoes

4. How does the mass of a Galilean moon depend on its distance from the central body?

a) the less massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the mass of the moons is unknown
e) the more massive moon is closer to Jupiter (always)

5. The mechanism that heats the cores of the Galilean moons is

a) tides from Jupiter
b) radiation from the Sun and from Jupiter
c) tides from the other moons and Jupiter
d) radioactive decay of heavy elements
e) radiation from the Sun

6. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) Only the mass of Jupiter relative to that of the Sun could be determined.
c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) tides from the other moons and Jupiter.

7. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the more dense moon is closer to Jupiter (always)
b) the less dense moon is closer to Jupiter (always)
c) the most dense moon is neither the closest nor the most distant
d) all the moons have nearly the same density
e) the density of the moons is unknown

Your score is 0 / 0

Galilean moons of Jupiter version V

1. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) yes, from impacts
c) yes, from volcanoes
d) no, the surface is too old
e) yes, about half from impacts and the others from volcanoes

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) Only the mass of Jupiter relative to that of the Sun could be determined.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) The different moons yielded vastly different values for the mass of Jupiter.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) tides from the other moons and Jupiter.

3. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) Two other answers are correct (making this the only true answer).
b) Argon isotope abundance
c) rotational period
d) orbital period
e) density

4. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Ganymede
c) Two other answers are correct (making this the only true answer).
d) Io
e) Ganymede

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) the less massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the more massive moon is closer to Jupiter (always)
d) the most massive moon is neither the closest nor the most distant
e) the mass of the moons is unknown

6. The mechanism that heats the cores of the Galilean moons is

a) tides from Jupiter
b) radiation from the Sun
c) radiation from the Sun and from Jupiter
d) tides from the other moons and Jupiter
e) radioactive decay of heavy elements

7. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) the density of the moons is unknown
e) all the moons have nearly the same density

Your score is 0 / 0

Galilean moons of Jupiter version W

1. Which of Jupiter's moons has an anhydrous core?

a) Io
b) Ganymede
c) Europa
d) Ganymede
e) Two other answers are correct (making this the only true answer).

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) Only the mass of Jupiter relative to that of the Sun could be determined.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) The different moons yielded slightly different values for the mass of Jupiter.
d) tides from the other moons and Jupiter.
e) The different moons yielded vastly different values for the mass of Jupiter.

3. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) density
b) rotational period
c) Argon isotope abundance
d) Two other answers are correct (making this the only true answer).
e) orbital period

4. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) all the moons have nearly the same mass
c) the most massive moon is neither the closest nor the most distant
d) the less massive moon is closer to Jupiter (always)
e) the mass of the moons is unknown

5. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the density of the moons is unknown
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) all the moons have nearly the same density
e) the less dense moon is closer to Jupiter (always)

6. The mechanism that heats the cores of the Galilean moons is

a) tides from Jupiter
b) tides from the other moons and Jupiter
c) radiation from the Sun
d) radioactive decay of heavy elements
e) radiation from the Sun and from Jupiter

7. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) no, the surface is too old
c) yes, about half from impacts and the others from volcanoes
d) yes, from impacts
e) yes, from volcanoes

Your score is 0 / 0

Galilean moons of Jupiter version X

1. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Io
c) Two other answers are correct (making this the only true answer).
d) Ganymede
e) Ganymede

2. Does Jupiter's moon Io have craters?

a) no, the surface is too new
b) yes, from volcanoes
c) yes, about half from impacts and the others from volcanoes
d) no, the surface is too old
e) yes, from impacts

3. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) density
b) rotational period
c) orbital period
d) Two other answers are correct (making this the only true answer).
e) Argon isotope abundance

4. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun
b) radioactive decay of heavy elements
c) tides from Jupiter
d) tides from the other moons and Jupiter
e) radiation from the Sun and from Jupiter

5. How does the mass of a Galilean moon depend on its distance from the central body?

a) the mass of the moons is unknown
b) the most massive moon is neither the closest nor the most distant
c) the less massive moon is closer to Jupiter (always)
d) all the moons have nearly the same mass
e) the more massive moon is closer to Jupiter (always)

6. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) Only the mass of Jupiter relative to that of the Sun could be determined.
c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
d) The different moons yielded vastly different values for the mass of Jupiter.
e) The different moons yielded slightly different values for the mass of Jupiter.

7. How does the density of a Galilean moon depend on its distance from Jupiter?

a) all the moons have nearly the same density
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) the density of the moons is unknown
e) the less dense moon is closer to Jupiter (always)

Your score is 0 / 0

Galilean moons of Jupiter version Y

1. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) tides from the other moons and Jupiter.
b) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
c) Only the mass of Jupiter relative to that of the Sun could be determined.
d) The different moons yielded slightly different values for the mass of Jupiter.
e) The different moons yielded vastly different values for the mass of Jupiter.

2. Does Jupiter's moon Io have craters?

a) yes, about half from impacts and the others from volcanoes
b) no, the surface is too old
c) yes, from impacts
d) yes, from volcanoes
e) no, the surface is too new

3. The mechanism that heats the cores of the Galilean moons is

a) radioactive decay of heavy elements
b) radiation from the Sun
c) radiation from the Sun and from Jupiter
d) tides from the other moons and Jupiter
e) tides from Jupiter

4. How does the mass of a Galilean moon depend on its distance from the central body?

a) the mass of the moons is unknown
b) the less massive moon is closer to Jupiter (always)
c) the most massive moon is neither the closest nor the most distant
d) the more massive moon is closer to Jupiter (always)
e) all the moons have nearly the same mass

5. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the density of the moons is unknown
b) the most dense moon is neither the closest nor the most distant
c) the more dense moon is closer to Jupiter (always)
d) the less dense moon is closer to Jupiter (always)
e) all the moons have nearly the same density

6. Which of Jupiter's moons has an anhydrous core?

a) Two other answers are correct (making this the only true answer).
b) Ganymede
c) Io
d) Europa
e) Ganymede

7. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) orbital period
b) Two other answers are correct (making this the only true answer).
c) rotational period
d) Argon isotope abundance
e) density

Your score is 0 / 0

Galilean moons of Jupiter version Z

1. The mechanism that heats the cores of the Galilean moons is

a) radiation from the Sun and from Jupiter
b) radioactive decay of heavy elements
c) tides from the other moons and Jupiter
d) radiation from the Sun
e) tides from Jupiter

2. Immediately after publication of Newton's laws of physics (Principia), it was possible to "calculate" the mass of Jupiter. What important caveat applied to this calculation?

a) The different moons yielded vastly different values for the mass of Jupiter.
b) tides from the other moons and Jupiter.
c) They needed to wait over a decade for Jupiter to make approximately one revolution around the Sun.
d) Only the mass of Jupiter relative to that of the Sun could be determined.
e) The different moons yielded slightly different values for the mass of Jupiter.

3. How does the density of a Galilean moon depend on its distance from Jupiter?

a) the less dense moon is closer to Jupiter (always)
b) all the moons have nearly the same density
c) the density of the moons is unknown
d) the more dense moon is closer to Jupiter (always)
e) the most dense moon is neither the closest nor the most distant

4. Which of Jupiter's moons has an anhydrous core?

a) Europa
b) Ganymede
c) Io
d) Two other answers are correct (making this the only true answer).
e) Ganymede

5. Ganymede, Europa, and Io have ratios in __________ that are 1:2:4.

a) rotational period
b) Two other answers are correct (making this the only true answer).
c) density
d) orbital period
e) Argon isotope abundance

6. Does Jupiter's moon Io have craters?

a) yes, from volcanoes
b) no, the surface is too new
c) no, the surface is too old
d) yes, about half from impacts and the others from volcanoes
e) yes, from impacts

7. How does the mass of a Galilean moon depend on its distance from the central body?

a) the more massive moon is closer to Jupiter (always)
b) the less massive moon is closer to Jupiter (always)
c) the most massive moon is neither the closest nor the most distant
d) the mass of the moons is unknown
e) all the moons have nearly the same mass

Your score is 0 / 0
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