Across
- 3. O__ is a type of igneous rock that has a glassy surface.
- 5. S__ is a type of sedimentary rock that you can see sand packed together.
- 8. Metamorphic rock forms from heat form Earth's interior and __ from gravity.
- 11. C__ is a type of sedimentary rock that you can see sand and pebbles.
- 12. M__ is a type of metamorphic rock that is shiny and white.
- 13. This is when sediment is deposited in a new location.
- 14. This igneous rock forms from lava and cools quickly.
- 16. __ moves sediment from one place to another.
- 18. P__ is a type of igneous rock that has lots of gas bubble holes.
- 19. This type of rock if formed by heat and pressure.
- 20. This type of igneous rock forms when magma cools slowly.
Down
- 1. Q__ is a type of metamorphic rock that looks like a crystal.
- 2. __ is caused by the sun and gravity and breaks rock apart.
- 4. These are commonly found in sedimentary rock and who us what types of animals live in an area.
- 6. Weather and erosion turn any type of rock into __ or pieces.
- 7. Compacting and cementing is caused by energy from this type of force.
- 9. This layer of Earth is the hottest and causes rock to melt.
- 10. This type of rock is formed by compacting and cementing.
- 11. Compacting and __ is caused by gravity from layers stacked on top of more layers.
- 15. This type of rock is formed from melting and cooling.
- 17. To form metamorphic rock, the heat comes from the Earth's __.