Waves, Currents & Tides

Front

What are tides?

Back

The rise and fall of Earth's waters on its coastlines.

Front

What is wave height?

Back

The distance from the trough of the wave to the crest.

Tags

NGSS.MS-PS4-1

Front

What is a current?

Back

A large stream of water that moves through the ocean.

Tags

NGSS.MS-ESS2-6

Front

How do deep ocean currents form?

Back

They form as cold, dense water sinks and flows beneath warm ocean water.

Tags

NGSS.MS-ESS2-6

Front

What factor affects the movement of deep currents?

Back

Increase in salinity.

Tags

NGSS.MS-ESS2-6

Front

What are waves?

Back

Waves are disturbances that transfer energy through water.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is the difference between tides and currents?

Back

Tides are the rise and fall of water levels, while currents are continuous flows of water.

Front

What causes tides?

Back

Tides are caused by the gravitational pull of the moon and the sun on Earth's waters.

Front

What is the Coriolis effect?

Back

The Coriolis effect is the deflection of moving objects caused by the rotation of the Earth.

Tags

NGSS.MS-ESS2-6

Front

What is longshore drift?

Back

Longshore drift is the movement of sand and sediment along the coast by wave action.