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5th Science Ch 5
Term | Definition |
---|---|
Mineral | nonliving, naturally occuring solid that has it’s own regular arrangement of particles in it. |
Igneous rocks | rocks that form when melted rock cools and hardens (basalt) |
Sedimentary rocks | form when layers of materials and rock particles settle on top of one another and then harden. |
Metamorphic rock | is a result of a transformation of a pre-existing rock. The original rock is subjected to very high heat and pressure, which cause obvious physical and/or chemical changes. |
Rock Cycle | process where rocks that are constantly being formed and destroyed |
Nonrenewable resources | either cannot be relplaced at all or cannot be replaced as fast as people use them |
Erosion | the movement of materials away from a place |
Deposition | is the process of laying down materials, such as rocks and soil. |
Sand dunes | large, loose deposits of sand |
Renewable resources | resources that can be replaced |
Inexhaustible resources | resources that will not run out like sun, wind, moving water, and energy from inside Earth |
Fossil | is the reamins or mark of an animal or plant that lived long ago |
Extinct | species no longer exists |
Paleontologist | a scientist who studies fossils |