Tides

Front

What are tides?

Back

Tides are the regular rise and fall of sea levels caused by the gravitational pull of the moon and the sun.

Front

What causes tides?

Back

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

Front

What is a spring tide?

Back

A spring tide is a tide with the greatest difference between high and low water, occurring when the sun, moon, and Earth are aligned.

Tags

NGSS.MS-ESS1-1

Front

What is a neap tide?

Back

A neap tide is a tide with the least difference between high and low water, occurring when the sun and moon are at right angles to each other.

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS2-4

Front

What is high tide?

Back

High tide is the point at which the water level is at its highest due to the gravitational pull of the moon and sun.

Tags

NGSS.MS-ESS1-1

Front

What is low tide?

Back

Low tide is the point at which the water level is at its lowest, occurring when the water is furthest from the shore.

Front

How often do tides occur?

Back

Tides typically occur twice a day, with two high tides and two low tides.

Front

What is the role of the moon in tides?

Back

The moon has the greatest effect on tides due to its proximity to Earth, causing the water to bulge towards it.

Front

What is the role of the sun in tides?

Back

The sun also affects tides, but its impact is less than that of the moon due to its greater distance from Earth.

Front

What is the tidal range?

Back

The tidal range is the difference in height between high tide and low tide.