QUIZ CHAPTER 14- EARTH SCIENCE 8°

TRUE OR FALSE

The oceans are always on the move, even when they appear calm.

Daily or twice daily changes in local sea level are called?

• tides

• waves

• currents

• energy

Tides are created by gravitational pulls of the _______ and sun.

What affects more the oceans in the formation of tides?

• sun

• moon

TRUE OR FALSE

Along most coasts there are two high tides and two low tides each day.

Select the solar tide that happens when the sun, moon, and earth are in a straight line and create an unusual high tide.

• spring tide

• neap tide

It is a flow of seawater through an area of relatively stationary water around it.

• tide

• wave

• current

• water

The surface currents are caused mostly by the _________.

Which currents are much larger?

• surface currents

• deep currents

According to temperature the currents are classified in two:

• surface currents

• deep currents

• warm currents

• cold currents