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