Tides

Front

What are tides?

Back

Tides are the regular rise and fall of ocean water caused by the gravitational pull of the moon and the sun.

Front

How many high tides occur in a day?

Back

There are typically two high tides in a day.

Front

What is the cycle duration of tides?

Back

The cycle of tides repeats approximately every 12.5 hours.

Tags

NGSS.MS-ESS1-1

Front

What type of tide occurs when the moon is full?

Back

A full moon tide, also known as a spring tide, occurs when the moon is full.

Tags

NGSS.MS-ESS1-1

Front

What type of tide occurs when the moon is new?

Back

A new moon tide, also known as a spring tide, occurs when the moon is new.

Tags

NGSS.MS-ESS1-1

Front

What is a neap tide?

Back

A neap tide occurs when the sun and moon are at right angles to each other, resulting in lower high tides and higher low tides.

Tags

NGSS.MS-ESS1-1

Front

What causes the second tidal bulge on Earth?

Back

The second tidal bulge is caused by the centrifugal force resulting from the Earth-moon system's rotation.

Tags

NGSS.HS-PS2-4

Front

What is the gravitational effect of the moon on Earth?

Back

The moon's gravity pulls on the Earth's water, causing it to bulge outwards, creating high tides.

Tags

NGSS.MS-ESS1-1

Front

What is the difference between high tide and low tide?

Back

High tide is when the water level is at its highest point, while low tide is when the water level is at its lowest point.

Tags

NGSS.MS-ESS1-1

Front

How do the positions of the Earth, moon, and sun affect tides?

Back

The relative positions of the Earth, moon, and sun determine the size and timing of tides.