Ocean Tides

Front

What are daily changes in ocean water called?

Back

Tides

Front

What occurs when the earth and sun are in line with the new or full moon?

Back

Spring tides

Front

What governs the patterns of spring tides and neap tides?

Back

Phases of the moon

Front

What type of tide occurs when the earth, moon, and sun are at right angles to each other?

Back

Neap Tide

Front

What is the difference between spring tides and neap tides?

Back

Spring tides are higher and occur when the earth and sun are in line with the new or full moon; neap tides are lower and occur when the moon is in the 1st or 3rd quarter.

Front

What is a spring tide?

Back

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

Front

How often do tides occur?

Back

Tides occur approximately every 6 hours, resulting in two high tides and two low tides each day.

Front

What is the role of the moon in creating tides?

Back

The moon's gravitational pull causes the water on the earth to bulge, creating high tides.

Front

What is the effect of the sun on tides?

Back

The sun also exerts a gravitational pull on the earth's water, but its effect is less than that of the moon.