Across
- 6. - rocks that make up the earths crust are mainly made of oxygen and _____
- 7. - the inside layer of the earth
- 8. - the outside of the earth is the _____
- 9. - evidence of life from the past
- 11. - the outside or top layer of something
- 12. - if earth were this the crust would be as thick as it’s skin
- 13. - bottom pole of the earth
- 15. - study of rocks
- 19. - when the ground shakes
Down
- 1. - all living things on earth
- 2. - all the water on earth
- 3. - layer of earth with really high temperatures
- 4. - the gasses around earth
- 5. - top pole of the earth
- 6. - a set of interacting parts forming a complex whole
- 10. - hot liquid rock on the surface of Earth
- 14. - all rocks and minerals on earth
- 16. - mostly made of molten
- 17. - a long deep indentation in the ocean floor formed when 2 plates move together
- 18. - how often or fast something happens