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- 1. Multiple Choice
What separates the inner and the outer planets?
Oort cloud
Sun
Kuiper belt
Asteroid belt
- 2. Multiple Choice
What planet is closest to the sun?
Mercury
Venus
Saturn
Neptune
- 3. Multiple Choice
Which of the following is NOT a characteristic of the inner planets?
Smaller
Rocky
Gaseous
Shorter years
- 4. Multiple Choice
It takes Earth 24 hours to __________ on its axis
Rotate
Orbit
Revolve
Stay
- 5. Multiple Choice
What two does gravity depend on?
Direction and weight
Mass and matter
Distance and direction
Distance and mass
- 6. Multiple Choice
Which of the following is a terrestrial planet?
Saturn
Jupiter
Mars
Uranus
- 7. Multiple Choice
What causes the planets to have a slightly elliptical orbit?
Moon’s gravity
Sun’s gravity
Planet’s inertia
BOTH Sun’s gravity and Planet’s inertia
- 8. Multiple Choice
When a planet is farther from the Sun, the gravitational attraction between them decreases and the planet moves/orbits ______.
Slower
Faster
The same speed
Become circular
- 9. Multiple Choice
Which of the following is a ‘Gas Giant’?
Mars
Venus
Jupiter
Earth
- 10. Multiple Choice
It takes Earth 365 days to __________ around the sun
Rotate
Orbit
Revolve
Stay
- 11. Multiple Choice
Choose which characteristic matches with terrestrial planets.
made of helium and hydrogen
made of metal and rock
Few moons
Rings
Closest to the sun
- 12. Multiple Choice
Choose which characteristic matches with Gaseous planets.
made of helium and hydrogen
made of metal and rock
Few moons
Rings
Past the asteroid belt
- 13. Multiple Choice
What is planet #7?
Mercury
Venus
Uranus
Neptune
- 14. Multiple Choice
What is planet #2?
Mercury
Venus
Mars
Neptune
- 15. Multiple Choice
What is planet #8?
Mercury
Venus
Uranus
Neptune
- 16. Multiple Choice
What is planet #4?
Mercury
Venus
Mars
Neptune
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