| A | B |
|---|
| sediments | small pieces of rocks, sand & soil |
| sedimentary rocks form | at or near the Earth's surface |
| extrusive rocks form | on the surface of the Earth |
| natural glue such as calcite | bonds together layers of sedimentary rock |
| intrusion | magma squeezes up through layers of rock |
| the process of old rock changing to make new types of rocks | rock cycle |
| limestone | sedimentary rock |
| granite | igneous rock |
| slate | metamorphic rock |
| sedimentary rocks form | when natural cement bonds together sediments |
| igneous rock form | when magma or lava cools |
| metamorphic rock form | when high heat or pressure cause them to change form |
| 3 different types of rock | sedimentary, igneous, metamorphic |
| magma | inside the Earth |
| lava | outside the Earth |
| igneous rocks with large crystals | cool slowly |
| igneous rocks with small crystals | cool fast |
