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WOW Words 2-2
Group 2 Second 9 Weeks
| Term | Definition |
|---|---|
| erosion | movement of weathered rock or soil by water, wind, gravity, or ice |
| extrusive rock | rock that forms on the surface from lava |
| fossil | a trace of an ancient organism that has been preserved in rock |
| igneous rock | rock formed from cooled magma |
| intrusive rock | rock that forms when magma cools deep in the earth |
| lava | molten rock which erupts or flows from a volcano on Earth's surface |
| magma | hot liquid rock in the Earth |
| molten | made into liquid by heating |
| sediment | small pieces of material that comes from rock or other organisms |
| weathering | process that breaks down rock at Earth's surface |
| metamorphic rock | rock formed by heat and pressure |
| sedimentary rock | layers of sediment that become cemented together |