Ocean Tides

Front

What are tides?

Back

The rising and falling of the water on the earth's surface.

Front

What do we call the small tides that happen when the sun and moon are at right angles to each other?

Back

Neap Tide

Front

What do we call the large tides that occur when the sun and moon are aligned?

Back

Spring Tide

Front

Why does the Moon have a greater influence on Earth tides than the Sun?

Back

Because it is closer to the Earth.

Front

What are the daily changes in ocean water called?

Back

Tides

Front

What is the gravitational effect of the Moon on Earth?

Back

It causes the ocean tides to rise and fall.

Front

How often do tides occur?

Back

Tides typically occur twice a day.

Front

What is the difference between high tide and low tide?

Back

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

Front

What factors can affect the height of tides?

Back

The position of the Moon and Sun, the shape of the coastline, and local weather conditions.

Front

What is a tidal range?

Back

The difference in height between high tide and low tide.