Across
- 5. The force that pulls things to the ground
- 7. War between North and South U.S states in 1861-1865
- 8. harbor/ Attack on this harbor brought U.S into WWII in 1941
- 9. Result of multiplication
- 14. Center of an atom
- 16. A person, place, thing, or idea
- 17. Longest side of a right triangle
- 19. Word use in place of a noun
- 20. The "unsinkable" ship that sank in 1912
Down
- 1. Liquid,solid or gas
- 2. A word that joins words or group of words
- 3. Fall of this wall symbolizes the end of Cold war in 1989
- 4. The planet we live on
- 6. Scientists who studies living things
- 10. Number that can't be divided evenly by 2
- 11. Shape with three sides
- 12. A word that describes a noun
- 13. Word that shows action
- 15. Number that doesn't change in an equation
- 18. revolution/ Revolution that ended monarchy in France in 1789