Understanding Tides and Their Effects

Front

What causes tides on Earth?

Back

The differences in the moon's and sun's gravitational pull on different sides of the Earth cause tides.

Front

How often do tides occur?

Back

Tides are the cycle of rising and falling ocean water that repeats automatically every 12.5 hours.

Front

What is a spring tide?

Back

A spring tide occurs when the Earth, moon, and sun are aligned, resulting in higher high tides and lower low tides.

Front

What is a neap tide?

Back

A neap tide occurs when the moon is at a right angle to the Earth and sun, resulting in lower high tides and higher low tides.

Front

What is the highest tide called?

Back

The highest tide is referred to as a high tide.

Front

What is the lowest tide called?

Back

The lowest tide is referred to as a low tide.

Front

What is the role of the moon in tides?

Back

The moon's gravitational pull is the primary force that causes tides on Earth.

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.

Front

When do spring tides occur?

Back

Spring tides occur during the full moon and new moon phases.

Front

When do neap tides occur?

Back

Neap tides occur during the first and third quarter moon phases.