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