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Physical Science 3
Final Exam
| Term | Definition |
|---|---|
| weathering | the breaking down of rock. |
| erosion | the movement of sediment. |
| deposition | the settlement of sediment. |
| cementation | the binding of sediment. |
| compaction | the process by which a sediment loses it's porosity due to the effects of loading. |
| sand stone | sedimentary rock which has been formed by weathering,erosion,deposition,cementation and compaction. |
| solid | has definate volume and shape. |
| liquid | has definate volume but no definate shape because it takes the shape of it's container. |
| gas | has no definate volume or shape. |
| evaporation | the process when water changes into a gas. |
| condensation | the cooling of water in the atmosphere changing gas to a liquid. |
| precipitation | when the water droplets in the clouds get very heavy they fall to earth as rain,hail,sleet or snow. |
| ocean | largest body of water on earth. |
| sun | a big ball of fire and gas. |
| water cycle | the process by which water moves through the earth and atmosphere. |
| volume | the amount of space something takes up. |
| boyancy | the ability to float. |
| relative density | determines whether one substance will sink or float in another. |
| mass | the amount of stuff in an object. |
| temperature | the measurement of whether something is hot or cold. |