Tides

Front

What is a tide?

Back

A tide is the regular rise and fall of sea levels caused by the gravitational forces exerted by the Moon and the Sun on the Earth's oceans.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

How often do high tides occur in coastal areas?

Back

High tides occur every 12 hours and 25 minutes.

Front

How many high tides occur in a day?

Back

There are typically two high tides in a day.

Front

What are neap tides?

Back

Neap tides are the tides that occur when the difference between high tide and low tide is the least, typically occurring during the first and third quarters of the Moon.

Tags

NGSS.MS-ESS1-1

Front

What happens to high and low tides during neap tides?

Back

During neap tides, the high tide is lower than normal and the low tide is higher than normal.

Front

What are spring tides?

Back

Spring tides are the tides that occur when the difference between high tide and low tide is the greatest, occurring during the new and full moons.

Tags

NGSS.MS-ESS1-1

Front

What happens to high and low tides during spring tides?

Back

During spring tides, the high tide is higher than normal and the low tide is lower than normal.

Tags

NGSS.MS-ESS1-1

Front

What causes tides?

Back

Tides are caused by the gravitational pull of the Moon and the Sun on the Earth's oceans.

Front

When do high tides typically occur?

Back

High tides typically occur when the Moon's gravity pulls on the Earth's ocean water.

Tags

NGSS.MS-PS2-4

Front

What is the role of the Sun in tides?

Back

The Sun also exerts gravitational force on the Earth's oceans, influencing the height and timing of tides.