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3rd Grade Earth Science

TermDefinition
Mineral a solid, non-living substance found in nature. Minerals are the building blocks of rocks.
Rock a non-living substance made of one or more minerals. There are 3 main types of rocks.
Soil a mixture of minerals, weathered rocks, and decayed plants and animal matter.
Renewable Resource a resource that can be replaced or used again and again.
Non-Renewable Resource a resource that cannot be replaced or reused easily.
Igneous Rock a rock that forms when melted rock cools and hardens. Usually comes from a volcano.
Sedimentary Rock a rock that forms from layers of sediment, dirt, and once living things pressed together over a long period of time. Usually forms under water.
Metamorphic Rock a rock that is formed by heat and pressure deep in the Earth over a long period of time.
Fossil the trace or remains of an organism that lived long ago.
Natural Resource a material on Earth that is necessary or useful to people.
Solar Energy energy from the Sun.
Created by: nporcell14
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