click below
click below
Normal Size Small Size show me how
ch3 rocks
prentice hall earth science
| Question | Answer |
|---|---|
| what is metamorphism? | metamorphism is to change form |
| what is contact metamorphism? | contact metamorphism is during contact magma moves into rocks |
| what is regional metamorphism? | regional metamorphism is large scale deformations in hight grade metamorphism |
| what are the three main rocks? | Igneous, Sedimentary, and Metamorphism |
| what is an intrusive igneous rock? | igneous rock that form beneath earth's surface |
| what is an extrusive igneous rock? | igneous rocks that form on earth's surface |
| what is coarse garined texture? | coarse grained texture is slow cooling resulting in large crystals |
| what is fine grained texture? | fine grain texture is rapid cooling of magma resulting in interconnecting mineral grains |
| what is a rock? | a rock is any solid mass of mineral or mineral like matter that occurs natural as part of out planet |
| what is erosion? | erosion is weathering and the removal of rock |
| what is the rock cycle? | rock cycle consists of a cycle that changes the earth's rocks |
| what is compaction? | compaction is a process that compacts or squeezes sediments |
| what is cementation? | cementation is when dissolved minerals are deposited in tiny spaces among sediments |
| what is an igneous rock? | igneous rock is formed from crystalized magma |
| what is sedimentary rock? | sediments that are compacted |
| what is weathering? | weathering is a process in which rocks are physically broken down by water, air and living things |
| what powers the earth's rock cycle? | internal heat powers the rock cycle |
| what is a metamorphic rock? | any type of rock that is changed by heat,pressure, or fluids |
| what is magma? | magma forms when rock melt beneath earths surface |
| what is clastic sedimentary rock? | rocks made from weathered bits of rocks |
| what is chemical sedimentary rocks? | dissloved minerals precipitate from water solutions |