Tides

Front

What are tides?

Back

Tides are 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.

Front

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

Back

4

Front

What celestial body causes the tidal bulge to move around the Earth?

Back

Moon

Front

What is a neap tide?

Back

A neap tide is a tide that occurs when the sun is at right angles to the line between Earth and the moon, resulting in the least difference between high and low tides.

Front

During which lunar phases does a neap tide occur?

Back

1st Quarter and 3rd Quarter

Front

What is a spring tide?

Back

A spring tide is a tide that occurs during the new moon and full moon phases, resulting in the greatest difference between high and low tides.

Front

During which lunar phases does a spring tide occur?

Back

New Moon and Full Moon

Front

What is the primary force that causes tides?

Back

The gravitational pull of the moon and the sun.

Front

What is the difference between high tide and low tide?

Back

High tide is the maximum level of the sea, while low tide is the minimum level of the sea.

Front

How does the rotation of the Earth affect tides?

Back

As the Earth rotates, different areas of the Earth pass through the tidal bulges, causing the rise and fall of sea levels.