1. The energy in ocean waves depends on the wave height. Which of the following statements is true?
The energy depends on the square of the wave height
The energy depends on the logarithm of the wave height
The energy is proportional to the wave height
The energy depends on the square root of the wave height
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Other questions in this quiz
2. In the Strait of Gibraltar there is also a deep flow of water out of the Mediterranean into the Atlantic. If the surface inflow is 4 Sverdrups and salinity 30, and the bottom outflow is 3 Sverdrups, what must be its salinity to maintain a salt balanc
40
30
35
45
3. What volume of the iceberg will therefore be visible above the ocean surface?
56m3
0.17m3
1m3
None
4. 8) Densest water is found at the bottom of the ocean. If cold water lies on top of warm it will sink – a process called convection. The atmosphere actually gets colder as you go up, so cold air lies on top of warm. Why doesn’t the cold air sink?
As you go up, the air becomes less dense because the pressure decreases. This counteracts the effect of the cooling
The air is too light so it cannot sink
Because of the spin of the earth - the Coriolis effect
The pressure of the air below holds it up
5. You are standing in the centre of a Merry-go-round which is turning in an anticlockwise sense. If you walk away from the centre, which sort of deflecting force will you feel?
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