Earth's Tides

Front

What is the term for the difference between high tide and low tide levels?

Back

Tidal Range

Front

What causes tides in the ocean?

Back

The gravitational pull of the moon on the water at Earth’s surface.

Front

How often do neap tides and spring tides occur?

Back

Each tide occurs twice a month.

Front

What is the water level at the absolute lowest level called?

Back

Neap Tide

Front

What is the tidal range if the water level changes from -1 m to +1 m?

Back

2 m

Front

What is a high tide?

Back

The highest level of ocean water at a specific location.

Front

What is a low tide?

Back

The lowest level of ocean water at a specific location.

Front

What is a spring tide?

Back

A tide that occurs when the sun, moon, and Earth are aligned, resulting in the highest high tides and the lowest low tides.

Front

What is a neap tide?

Back

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

Front

What is the role of the sun in tides?

Back

The sun's gravitational pull also affects tides, but to a lesser extent than the moon.