Across
- 4. We all use up our ______ every day.
- 5. A big wave.
- 6. Another word for erosion.
- 8. Another name for our Earth is our _____.
- 9. The layer of air surrounding us.
- 13. When the tectonic plates collide in a sideways motion.
- 14. They move on the mantle.
- 16. The crust is considered the _______ of the Earth.
- 17. The act of staying alive.
- 18. When water, wind or ice break away rock very slowly.
- 20. When things become better suited to a certain environment.
Down
- 1. Extreme forms are tornadoes, hurricanes, monsoons and snow rollers!
- 2. The layers of the Earth is also known as its _________.
- 3. The term for natural events like tsunamis.
- 7. "This _____ will drown us all!!!!!"
- 10. How hot or cold something is.
- 11. What happened in Pompeii.
- 12. When you conduct research on something.
- 15. The study of rocks.
- 19. Our world.