Term
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Definition
| The hydrosphere is all the earth's water. Some examples of the hydrosphere are lakes,rivers and streams. |
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Term
| List some characteristics of ocean water. |
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Definition
| A few characteristics of ocean water are the salinity, the air pressure and the waves. |
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Term
| What factors affect the size of waves? |
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Definition
| Factors that affect the size of waves are the speed of the wind, the length of time the wind blows andthe distance over which the wind blows. |
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Term
| Describe how gravity creates tides. |
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Definition
| Tides are formed when the gravitational pull between the earth, the sun and the moon is activated. |
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Term
| What causes deep ocean currents? |
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Definition
| Deep ocean currents are formed when cold and warm water water meet. When they meet, the cold water slips uder thw warm water and causes a tide. The salinity can also affect deep ocean currents. |
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Term
| How does the pressure change with the depth of the water? |
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Definition
| The water pressure grows deeper as you sumberge deeper in the water. Because your body is adapted to a certain pressure, you have to be careful about how deep you dive, incase you fell unconfortable and have to return to the surface. |
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