Across
- 2. an island sitting on top of a huge molten rock
- 4. a device used to measure tremors in the earth
- 5. an earthquakes fastest waves
- 6. our planet
- 7. an island made from a volcano
- 10. a form of chemical weathering
- 11. an organism that grows on rocks and slowly breaks them apart
- 12. the process in which rocks transform into different rocks
- 15. this happens to sedimentary rock when pressed together
- 17. a layer of solid, unbroken rock that separates soil and rock
- 18. Mauna loa is an example of a _______ volcano
- 19. rock cooled from magma
- 21. this layer of soil is made up of materials such as leaves that keep the surface damp
- 23. this plate is a mix of Europe and Asia
- 24. the center of an earthquake underground
- 25. a shaking of the ground, caused by shifting tectonics plates
- 26. a hole in the earth that allows magma to escape by erupting
- 27. when a igneous rock solidifies below the earths surface
Down
- 1. a rock that changes under intense heat and pressure
- 3. this is the largest tectonic plate
- 4. the slowest and most powerful earthquake wave
- 8. a major fault line in California
- 9. this common igneous rock floats on water
- 13. the center of an earthquake on the surface
- 14. this layer of soil consists of decaying plant and animal matter called humus
- 16. crystals found inside of rocks
- 18. rock made from tiny particles of sand or rock
- 20. this layer of soil consists of chunks of rock and clay
- 22. when a igneous rock solidifies above the earths surface
- 23. the wearing away of rock