Across
- 5. when something repeats itself
- 11. a number that its value is less the zero
- 12. a sudden and violent shaking on the ground
- 13. a large solid area of land
- 14. when two plates move toward each other and collide
- 17. the super continent that broke apart
- 19. the calendar for events in earths history
- 20. answer a math question
- 22. the earths outermost layer
Down
- 1. making something into a smaller number
- 2. large slab of rocks that divide earths crust
- 3. a numerical quantity that is not a whole number
- 4. information that supports the main idea
- 6. when two plates move away from each other
- 7. the second largest continent
- 8. the earths surface that is cracked into large pieces
- 9. a number that is greater then zero
- 10. the very hot,very dense center of our planet
- 15. make smaller in size or number
- 16. the widest layer of the earth
- 18. extremely deep valleys just in the ocean instead on land
- 21. the remains of an extinct animal