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Science studysession
study for your test on water
| Question | Answer |
|---|---|
| explain 2 reasons why surface currents and deep ocean currents trade places on earth. | 1. surface currents carry warmer less dense water from the equator regions to the polar regions 2. deep currents carry colder denser water from the polar regions to the equator regions. |
| why is climate in scotland relatively mild even though the country is located at high latitude? explain. | the warm water is carried to the british gulf. |
| define evaporation. | evaporation occurs when liquid water from the earths surface and from living organisms change into water vapor. |
| define condensation. | Water vapors cool and change into liquid water droplets that form clouds. |
| define precipitation. | precipitation is rain, snow, sleet or hail that falls from the clouds onto the earths surface. |
| why is the ocean salty? | because the water in the ocean weathers away the rock that contains salt |
| which ocean is expanding in size and which ocean is decreasing in size? | the atlantic ocean is expanding and the pacific ocean is decreasing in size |
| what is salt? | sodium chloride |
| how much of the ocean floor have we seen? | less than 5% |
Created by:
jakej868
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