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Rocks and Land Forms
Sedimentary Rock, Fossil Fuels, and Landforms
| Term | Definition |
|---|---|
| Cementation | process of binding and hardening of sediments into hard rock |
| Compaction | process by which overlying pressure from rocks and soil reduces the size or volume of sediments |
| Decomposition | the process by which dead plants and animals decay or rot |
| Deposition | process by which weathered and eroded material is deposited by wind, water, and ice |
| Erosion | the movement of weathered material by wind, water, or ice (e.g. glaciers) |
| Evidence | facts or other information supporting a claim or proposition |
| Fossil fuels | fuels formed over millions of years from the remains of ancient plants and animals; examples include coal, petroleum (oil) and natural gas |
| Landform | a physical structure on Earth that occurs naturally |
| Model | a picture, idea, or object that represents an object, a system, or process and is used to help with understanding; models have advantages and limitations |
| Organism | a living thing that grows, reproduces, responds to its environment, and can function on its own |
| Process of formation | the method by which a substance or object is formed |
| Weathering | process by which exposed rock is broken down by rain, frost, wind, or other elements of weather |
| Sediment | small pieces of rock |
| Sedimentary Rock | a type of rock formed by layers of sediment |
| Coal | a solid fuel source formed from decaying swamp plants |
| Delta | a triangular-shaped landform at the mouth of a river |
| Glacier | a large, slow-moving, mass of ice |
| Sand Dune | a mound or hill of sand formed by deposition |
| Canyon | a landform carved out by wind and water |
| Slow Change | a change that takes thousands to millions of years |