8.7C - Tides

Front

What type of tide occurs when the Earth, Moon, and Sun are aligned?

Back

Spring tide

Front

What type of tide occurs when the Earth, Moon, and Sun form a right angle?

Back

Neap tide

Front

How often do high and low tides occur in a day?

Back

Twice each (two high tides and two low tides) in a 24-hour period.

Front

What is the average time between high tide and low tide?

Back

Approximately 6 hours.

Front

What celestial body's phases influence the occurrence of spring and neap tides?

Back

The phases of the Moon.

Front

Why does the Moon have a greater effect on Earth's tides than the Sun?

Back

Because the Moon is closer to the Earth.

Front

What is a 3rd Quarter moon tide called?

Back

Neap tide.

Front

What is the gravitational effect of the Moon on Earth called?

Back

Tidal force.

Front

What are the two main types of tides?

Back

Spring tides and neap tides.

Front

During which moon phases do spring tides occur?

Back

During the new moon and full moon.