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ocean questions
| Question | Answer |
|---|---|
| define ocean current | a large volume of water floating in a certain direction |
| describe surface currents | it is the movement of water pushed by wind |
| what is a gyre | it is a circular system of currents |
| name 5 gyres | north pacific south pacific north Atlantic south Atlantic and Indian ocean |
| what is the definition of the coriolis effect | the movement of wind and water to the right or left that is caused by Earth's rotation |
| in the southern hemisphere currents curve to the _______in a ________direction | left, counterclockwise |
| in the northern hemisphere currents curve to the _______in a ________direction | right, clockwise |
| what is upwelling | upwelling is the vertical movement of water toward the oceans surface |
| The density of ice is lower than the density of the same volume of liquid water. True/False | True |
| The density of water is lowest at four degrees c. True/False | False (it is highest) |
| The particles of liquid water are closer together than the particles of the same volume of frozen water. True/False | True |
| In which states of matter can water exist in nature on earth? | Liquid, Solid, Gas |
| What would happen if you place drops of water on a counter? | The water stays cohesive |
| What causes the drops to form? | Adhesion |
| What happens when you add sugar to water? | It dissolves |
| What cause waters unique properties? | It is its molecular structure |
| What is salinity? | The amount of salt in water |
| How do they map the ocean? | Depth=speed of sound x 0.5 x time |
| What is a continental shelf? | Landmass underwater resulting in shallow water |
| What is a continental slope? | Slightly declining part of the ocean |
| What is a mid ocean ridge? | Under water mountain |
| What is a trench? | Low point in the ocean |
| Identify the 5 oceans | Pacific, Atlantic, Indian, Arctic, Southern |
| Name 2 sources of water for the ocean | condensation, asteroid and commets |
Created by:
dominics
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