BrainPop---Tides

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

• a. Sudden

• b. Ceaseless

• c. Random

• d. Unpredictable

Which of the following is a true statement about gravity?

• a. It acts on all matter in the universe.

• b. It pushes objects away from one another.

• c. It does not exist in outer space

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

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

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

• a. The sun's gravity doesn't affect water.

• b. The moon is much closer than the sun.

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

• d. The earth blocks the sun's gravitational pull.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

High tides occur:

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

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

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

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

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

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?

• a. They will occur about as often as before

• b. They will occur about half as often

• c. They will occur about four times more often

• d. They will occur about twice as often

Tags

NGSS.MS-ESS1-1

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

• a. Noon

• b. 4 p.m.

• c. 8 p.m.

• d. 8 a.m. the next day

Tags

NGSS.MS-PS2-4

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

• a. It's easy to harness

• b. It's more efficient than solar energy

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

• d. It causes very little pollution

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

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

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

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

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

• d. Sand dunes and other formations will begin eroding.

Tags

NGSS.MS-ESS2-4

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

• a. There would be no tides

• b. Most areas would receive fewer high tides each day

• c. The ocean level would rise and fall less dramatically

• d. Ocean waves would not be very large

Tags

NGSS.MS-ESS2-4

The moon's gravity affects:

• a. Both the solid parts of the earth and the oceans

• b. The solid parts of the earth only

• c. The oceans only

• d. The moon only

Tags

NGSS.MS-ESS1-1