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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. |