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Ocean water
Science
Question | Answer |
---|---|
Ocean water is a mixture of gases (air) and dissolved solids (salts and minerals) True or False | True |
What is salinity? | the salt that is in the ocean water |
What is a disturbance that travels through water carrying energy from one place to another | Waves |
Water waves are caused by wind and the rotation of the Earth. true of false | True |
The periodic change in the surface level of the oceans, caused by gravitational pull of the moon and the sun is called? | tides |
Currents are_____? | a section of water within the ocean that is moving continuously in a certain direction. |
Density is______? | the amount of matter in a given substance |
Ocean water is denser than fresh water. True or False | True |
What is the abyssal zone? | The deepest of the water layers of the ocean,very dark,the water temperature is between 36-39 degrees, lots of pressure from the water above. |
Bathyal zone | the middle layer of water, it is mostly dark and cold with heavy pressure |
Photic zone | The top layer of ocean that has sunlight and is warm. most ocean life is found here. |
True or False- There are three layers to the water in the ocean. | True |
What is buoyancy? | The ability to stay afloat in a liquid or even to rise in air or gas. |