Tides

Which term best describes the rise and fall of the ocean's water level?

• Sudden

• Ceaseless

• Random

• Unpredictable

Tags

NGSS.MS-ESS2-6

Which of the following is a true statement about gravity?

• It acts on all matter in the universe.

• It pushes objects away from one another.

• It does not exist in outer space.

• It gets weaker the closer you get to the sun.

Tags

NGSS.MS-PS2-4

If the sun is bigger than the moon, why does the moon have a greater effect on tides?

• The sun's gravity doesn't affect water

• The moon is much closer than the sun

• Although the moon is smaller than the sun, it has more mass.

• The earth blocks the sun's gravitational pull

Tags

NGSS.MS-PS2-4

High tides occur:

• At either the North Pole or South Pole, depending on where the moon is.

• On the side of the earth facing away from the moon only.

• On the side of the earth facing the moon only.

• On the side of the earth facing the moon, and also the opposite side.

Tags

NGSS.MS-ESS1-1

Based on information from the movie, what would you expect to happen to the number of high tides in any given area if the rate of earth's rotation doubles?

• They will occur about as often as before

• They will occur about half as often

• They will occur about four times more often

• They will occur about twice as often

Tags

NGSS.MS-ESS2-6

At one beach, high tide occurs at 8 a.m. When will the next high tide most likely occur?

• Noon

• 4 p.m.

• 8 p.m

• 8 a.m. the next day

Tags

NGSS.MS-ESS1-1

Which of the following is a true statement about tidal energy?

• It's easy to harness

• It's more efficient than solar energy

• It's more powerful than the energy we get from fossil fuels

• It causes very little pollution

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-3

What might happen on a beach as the tide goes out?

• Sand castles built by kids might get washed away by the ocean.

• The waves will almost definitely grow taller and more powerful.

• There will be more sand for beachgoers to sunbathe on.

• Sand dunes and other formations will begin eroding.

Tags

NGSS.MS-ESS2-2

What might happen if the moon were only half as large as it is now?

• There would be no tides

• Most areas would receive fewer high tides each day

• The ocean level would rise and fall less dramatically

• Ocean waves would not be very large

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

The moon's gravity affects:

• Both the solid parts of the earth and the oceans

• The solid parts of the earth only

• The oceans only

• The moon only

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS2-4

NGSS.MS-PS2-4