Tides

Front

What are tides?

Back

Tides are daily changes in ocean water levels caused by the gravitational pull of the moon and the sun.

Tags

NGSS.MS-PS2-4

Front

How many high and low tides do most places on Earth experience in 24 hours?

Back

Most places experience 2 high tides and 2 low tides in 24 hours.

Tags

NGSS.MS-PS2-4

Front

What lunar phases occur during a neap tide?

Back

A neap tide occurs during the 1st Quarter and 3rd Quarter lunar phases.

Tags

NGSS.MS-ESS1-1

Front

How many times a day do we experience a change in tidal levels?

Back

We experience a change in tidal levels 4 times a day.

Tags

NGSS.MS-ESS2-4

Front

What lunar phases occur during a spring tide?

Back

A spring tide occurs during the New Moon and Full Moon phases.

Tags

NGSS.MS-ESS1-1

Front

What causes tides?

Back

Tides are caused by the gravitational forces exerted by the moon and the sun on Earth's oceans.

Tags

NGSS.MS-PS2-4

Front

What is the difference between a spring tide and a neap tide?

Back

A spring tide has higher high tides and lower low tides, occurring during the New Moon and Full Moon, while a neap tide has lower high tides and higher low tides, occurring during the 1st Quarter and 3rd Quarter.

Tags

NGSS.MS-ESS1-1

Front

What is the role of the moon in tides?

Back

The moon's gravitational pull is the primary force that causes tides on Earth.

Tags

NGSS.MS-PS2-4

Front

What is the effect of the sun on tides?

Back

The sun also exerts a gravitational pull on Earth's oceans, but its effect is less than that of the moon.

Front

What is a tidal range?

Back

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