Ocean Movement and Tides Quiz

How does water temperature affect the ocean's movement?

• It has no effect on ocean movement.

• It helps warm or cool land temperatures.

• It only affects the ocean's color.

• It makes the ocean freeze.

How are surface currents different from deep ocean currents?

• Surface currents are slower.

• Surface currents are faster.

• Surface currents are affected by wind.

• Surface currents are colder.

How are gravity and the tides related?

• Gravity has no effect on tides.

• Gravity causes tides to stop.

• Gravity causes tides to rise and fall.

• Gravity makes tides disappear.

Explain how a wave forms.

• Waves form from the ocean floor.

• Waves form due to the moon's light.

• Waves form from wind blowing across the water.

• Waves form from fish swimming.

What if the pull of gravity between Earth and the Moon was much less? How would this affect the oceans?

• There would be no change in the oceans.

• The tides would be much weaker.

• The oceans would dry up.

• The oceans would overflow.