Across
- 2. person who travels into outer space
- 3. land that is completely surrounded by water
- 5. the farthest planet from the sun
- 8. imaginary line that circles the middle of Earth
- 12. a territory settled and ruled by another country
- 13. triangular stone tombs built in ancient Egypt
- 14. an animal that eats only plants
- 15. a story that is made up or not true
- 16. gas humans need to breathe to survive
- 17. world sports competition held every four years
- 19. the largest ocean in the world
- 20. warm blooded animal that feeds its young milk
- 21. a coin worth twenty five cents
Down
- 1. the main character or hero of a story
- 4. the sixteenth president of the United States
- 6. how plants turn sunlight into food
- 7. to turn waste into reusable material
- 9. a book written about a real person's life
- 10. force that keeps our feet on the ground
- 11. a word that means the same as another word
- 17. a large group of musicians playing together
- 18. a group of lines in a poem