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Soil and Weathering
Vocabulary
| Question | Answer |
|---|---|
| the rubbing, grinding and bumping of rocks that cause physical weathering | abrasion |
| rain that has increased acidity/caused by environmental factors such as air pollutants (materials harmful to the air) | acid rain |
| a type of igneous rock that is dark gray to black in color, the grain can be dense to fine | basalt |
| a common rock forming mineral in Earth's crust | calcite |
| a chemical change that occurs when 2 or more substances combine to make a New substance | chemical reaction |
| the process by which the minerals in a rock can change due to chemicals in water and air. Chemical weathering can cause weather to break | chemical weathering |
| earthy material that is composed mainly of very small particles | clay |
| rock composed of rounded fragments varying from small pebbles to large boulders | conglomerate |
| any nonliving natural resources that makes up Earth, including soil and water | earth materials |
| to become larger than what it was | expand |
| change to ice by lowering the temperature to 32 degrees to 0 degrees | freeze |
| igneous rock that forms inside Earth | granite |
| loose rounded fragments of rock | gravel |
| bits of dead plant and animal parts in the soil | humus |
| a sedimentary rock made mostly of calcite | limestone |