- 1. A body in space which orbits a star
A) star
B) moon
C) galaxy
D) planet
- 2. A body in space which orbits a planet
A) galaxy
B) asteroid
C) moon
D) star
- 3. All of space and everything in it
A) solar system
B) none of these
C) universe
D) galaxy
- 4. The Big Bang Theory explains
A) How the universe began
B) How the moon was formed
C) How water got on Earth
D) What killed the dinosaurs
- 5. The Sun is the largest object in our solar system
A) True
B) False
- 6. The time it takes the earth to revolve around the sun one time is a
A) month
B) day
C) year
- 7. The time it takes the earth to spin one time on its axis is a
A) month
B) year
C) day
- 8. The earth is tilted on its axis as it travels around the sun. This causes
A) and eclipse
B) night and day
C) bad weather
D) seasons
- 9. The force that holds the planets in orbit around the sun is
A) gravity
B) pressure
C) mass
D) magnetic
- 10. planets closer to the sun have longer years than those farther away
A) true
B) false
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