Earth and Environmental Science- Rocks
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23 terms
Terms | Definitions |
|---|---|
 How does sedimentary rock form? | weathering, erosion, deposition, compaction, cementation |
| what does metamorphosis mean? | to change form |
| the majority of the rock that we see is which type? | sedimentary |
| what rocks are made directly from magma? | igneous |
| what are the major agents of erosion? | wind and running water |
| the temperature inside the earth is ____ than the temperature on the surface | hotter |
| rock definition: | any solid mass of mineral matter that occurs naturally as a part of our planet |
| what make up a rock | minerals |
| if lava/magma cools slowly, the crystals will be what size? | larger |
| if lava/magma cools fast, the crystals will be what size? | smaller |
| pumice is an example of a: | glassy rock |
| what are the agents of metamorphism? | heat, pressure, hydrothermal solutions |
| a rock that has large crystals surrounded by fine-grained minerals has a ______ texture | porphyritic |
| what is mechanical weathering? | the breakdown of a rock that does not change its composition |
| what is chemical weathering? | the breakdown of a rock that changes its composition |
| what factor has the greatest effect on soil formation? | climate |
| horizon c of a soil profile contains mostly: | partially weathered parent material |
| what is humus? | organic component of soil |
| what is the topmost layer in a soil profile? | topsoil |
| what is frost wedging? | water freezes in the cracks of a rock and wedges it apart |
| what is the most important agent in chemical weathering? | surface exposure |
| clastic rocks contain what material? | weathered rock bits |
| rocks with fossils are _____ rocks | sedimentary |
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