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- 1. Multiple Choice
A________ occurs when an object blocks light.
orbit
shadow
axis
sundial
- 2. Multiple Choice
Why does a length and location of a shadow change over the course of the day?
Because the change of the position of the Sun in the sky.
Because the Sun changes its position.
Because the shadows change and become longer at noon,
- 3. Multiple Choice
Earth completes one _____ around the Sun every year.
hemisphere
rotation
seasons
revolution
- 4. Multiple Choice
Day and night on Earth are caused by Earth's ______ on its axis.
hemisphere
rotation
seasons
revolution
- 5. Multiple Choice
Winter occurs in the _____ that is facing away from the Sun.
hemisphere
rotation
seasons
revolution
- 6. Multiple Choice
If Earth was not tilted on its axis, we would not have ______.
hemisphere
rotation
seasons
revolution
- 7. Multiple Choice
True or False?
The gravitational force between two objects decreases as their mass increases.
True
False
- 8. Multiple Choice
True or False?
As the distance between two objects decreases, the gravitational force between them increases.
True
False
- 9. Multiple Choice
The round rock that orbits Earth is called the ____.
comet
asteroid
meteor
Moon
- 10. Multiple Choice
Explain why we see only one side of the Moon.
The Moon turns once on its axis in the same time that it circles Earth.
The Moon turns around Earth when it is a full Moon.
We can see the Moon when it is in the New Moon phase.
- 11. Multiple Choice
Which statements are true?
The Moon gives off its own light.
The Sun gives off its own light.
The Moon reflects light from the Sun.
The Moon glows because it is radioactive.
- 12. Multiple Choice
Which statement describes an asteroid?
A small mass of rock, dust and frozen gas that orbits the Sun in an oval shaped path.
A meteoroid that reaches the ground with some of it still intact.
A large swirling ball of gas that orbits the Sun.
A large object that revolves around the Sun.
- 13. Multiple Choice
A meteor is the visible streak of light that occurs when a meteoroid enters Earth's atmosphere.
True
False
- 14. Multiple Choice
If a piece of a meteor reaches the ground with some of it still intact, it is called a meteoroid.
True
False
- 15. Multiple Choice
A comet near the Sun has a surface and a body.
True
False
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