Ocean Tides

Front

What are ocean tides?

Back

Daily changes in ocean water levels caused by the gravitational pull of the moon and the sun.

Front

Why does the moon have a greater influence on Earth's tides than the sun?

Back

Because the moon is much closer to the Earth.

Front

What is a neap tide?

Back

A small tide that occurs when the sun and moon are at right angles to each other.

Front

What is a spring tide?

Back

A large tide that occurs when the sun, moon, and Earth are aligned.

Front

What causes tides?

Back

The gravitational pull of the moon and the sun on Earth's oceans.

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.

Front

How often do tides occur?

Back

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

Front

What is the role of the sun in tides?

Back

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

Front

What is the tidal range?

Back

The difference in height between high tide and low tide.

Front

What is a tidal cycle?

Back

The pattern of rising and falling tides, which is influenced by the positions of the moon and sun.