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Rocks & Cycling
Topic Three, Lesson 3 and 4: Rocks and the Cycling of Rocks
| Term | Definition |
|---|---|
| igneous rock | forms from the cooling of molten rock at or below the surface. |
| sedimentary rock | forms when particles from other rocks or the remains of plants and animals are pressed and cemented together. |
| sediment | small, solid pieces of material that come from rocks or the remains of organisms; earth materials deposited by erosion. |
| metamorphic rock | forms from an existing rock that is changed by heat, pressure, or chemical reactions. |
| rock cycle | a series of processes on the surface and inside Earth that slowly changes rocks from one kind to another. |
| source | where something originates or comes from. |
| process | a series of actions or operations leading toward a particular result. |
| apply | to lay or spread on, to put into operation or effect |