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3rd Earth's Surface
Changes to Earth's Surface 3rd grade
| Term | Definition |
|---|---|
| Decomposition | the process by which decomposers break down dead material and waste into simpler substances |
| Earthquake | shaking of the Earth that is caused by the release of energy stored in the outermost layer of the Earth |
| Erosion | the movement of weathered material by wind, water, or ice |
| Erupt | to suddenly become active through the release of lava, ash, and gases from a volcano |
| Geologist | a person who studies Earth’s rocks and minerals |
| Landform | a physical structure on Earth that occurs naturally |
| Landslide | large mass of soil and rock that suddenly moves down the side of a steep surface |
| Natural resource | anything that people can use, such as minerals, water, plants, or soil, which comes from nature. |
| Soil | a mixture of rock and mineral particles, organic matter, water, and air that forms on Earth’s surface by weathering of rock and the decomposition of plant and animal remains |
| Volcano | an opening in the Earth’s surface through where lava can flow onto the surface during an eruption |
| Weathering | the breaking down and wearing away of rock (or other matter) |
| sand dune | Sand hill that is made and shaped by wind. |
| Landforms | Natural features of the Earth's surface. |
| Deposition | Process in which sediment is laid in a new location. |
| Plates | Large pieces of Earth's crust that move. |
| Glacier | A large sheet of ice that moves very slowly over land. |
| Tsunami | A long High Sea wave caused by an earthquake, landslide, or other disturbance. |
| Fault | Cracks in the Earth's crust. |
Created by:
coachnix
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