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Unit 8 Vocabulary
A review for Unit 8 Vocabulary
| Term | Definition |
|---|---|
| Weathering | The breaking down of rock on Earth's surface into smaller pieces |
| Erosion | The process of moving sediment from one place to another |
| Deposition | The dropping or settling of eroded materials |
| Sedimentary Rock | Formed by weathering, erosion, deposition, compaction, and cementation |
| Fossil | The remains or traces of a plant or animal that lived long ago |
| Fossil Fuel | Fuel, such as coal, oil, natural gas, formed from the remains of once-living things |
| Solubility | The ability of a substance to dissolve in another substance |
| Variable | Any condition that can be changed in an experiment |
| Refraction | The bending of light waves as they pass from one material to another |
| Reflection | The bouncing of light waves when they encounter an obstacle |
| Control | The experimental setup to which you will compare all other setups |
| Pressure | The force that is produced when something presses against something else |
| Decay | Process of decomposition |
| Excavation | Digging up fossils |
| Friction | A force that slows or stops motion when objects rub together |
| Natural resource | Anything from nature that people can use |
| Renewable resource | A resource that can be replaced within a reasonable amount of time |
| Nonrenewable resource | A resource that, once used, cannot be replaced in a reasonable amount of time |
| Pollution | any waste product or contamination that harms or dirties an ecosystem and harms organisms |
| Conservation | the process of preserving and protecting an ecosystem or a resource |
Created by:
whardcastle
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