Understanding Tides

What are tides?

• The daily rise and fall of Earth's waters on its coastlines

• The movement of air currents

• The rotation of the Earth

• The change in weather patterns

What are low tides?

• When the water reaches its highest point.

• When the water reaches its lowest point.

• When the water is at a medium level.

• When there is no change in water level.

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NGSS.MS-ESS1-1

Why does the Moon have a strong gravitational pull on Earth?

• It is very large

• It is very hot

• It is close to the Earth

• It is made of metal

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the effect of the Moon's gravity on the Earth's water?

• It causes earthquakes

• It creates tidal bulges

• It changes the water's color

• It increases water temperature

What happens when the Sun and Moon pull in different directions?

• The tides are unaffected.

• The tides are stronger.

• The tides are weaker.

• The tides disappear.

Why is the Sun's gravity significant in affecting tides?

• Because the Sun is very small.

• Because the Sun is very large.

• Because the Sun is very close.

• Because the Sun is very cold.

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What happens to Earth's waters when the Sun and Moon align?

• They freeze.

• They evaporate.

• They experience stronger tides.

• They become still.

During which moon phases do spring tides occur?

• First and third quarter

• Full and new moon

• Waxing and waning crescent

• Waxing and waning gibbous

Tags

NGSS.MS-ESS1-1

What phase of the Moon is associated with neap tides?

• Full moon

• New moon

• First and third quarters

• Crescent moon

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NGSS.MS-ESS1-1