Waves, Tides, and Currents Standard Check

The movement of energy through a body of water is called a _____________.

• wave
• tide
• current
• river

What causes both surface currents and waves?

• differences in density
• warm ocean water
• cold ocean water
• wind

Water in a _____ stays in the same place and in a _____ the water is actually moving.

• spring tide; neap tide
• tide; gravity
• current; wave
• wave; current

A large stream of moving water that flows through the ocean is called a _____.

• current
• tide
• wave
• ocean river

Water near the poles is _____ and water near the equator is _____ due to unequal heating of the _____.

• warm; cold; Sun
• less dense; more dense; Sun
• cold; warm; Earth
• ice: cold; Earth

Cold water is more dense which makes it _____.  Warm water is _____ dense which makes it rise.

• ice; boiling
• cold; hot
• rise; more
• sink; less

The difference in _____ causes deep ocean currents.

• density
• wind speed
• pressure
• water levels

Horizontal, streamlike movements of water that occur near the surface of the ocean are called _____ _____.

• deep currents
• spring currents
• spring tides
• surface currents

The _____ _____ is the apparent curving of the path of a moving object (in this case moving ocean currents) from an otherwise straight path due to Earth's rotation.

• Carolina's Affect
• Coriolis effect
• deep current
• surface current

Which way to currents curve in the Southern Hemisphere?

• counterclockwise
• clockwise
• to the right
• to the left