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Tides

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

_______are daily changes in ocean water.

a)

Waters

b)

Tides

c)

Colors

d)

Earths

2.

Tides are caused by the difference in the gravitational force of the ________ and ________ across the ________.

a)

earth, sun, moon

b)

sun, mars, jupiter

c)

sun, moon, earth

d)

tide, water, sun

3.

The tidal force exerted by the ______ is stronger that the tidal force exerted by the _______.

a)

earth, ocean

b)

sun, moon

c)

moon, stars

d)

moon, sun

4.

The moon is mainly responsible for the tides on Earth because it is _________ _________.

a)

much closer

b)

far away

c)

behind the sun

5.

The bulges that occur in the Earth's oceans are called ______ _______.

a)

low waters

b)

low tides

c)

high tides

d)

big dips

6.

____ ____ occur in the spaces between the high tides.

a)

High tides

b)

Medium tides

c)

Low tides

d)

Super tides

7.

Low tides is simply a term given to water that is lower than ___ _____.

a)

high tide

b)

sea level

c)

low tide

d)

the ocean

8.

As the _____ revolves around the Earth and Earth rotates, the tidal bulge moves around the Earth.

a)

sun

b)

ocean

c)

Earth

d)

moon

9.

The tidal bulge follows the movement of the _____.

a)

moon

b)

sun

c)

Earth

d)

ocean

10.

Because the moon is so much closer than the sun, the moon's gravitational force is much stronger than that of the ___.

a)

sun

b)

earth

c)

moon

d)

sea

11.

The _____ _____ is the difference between the levels of ocean water at high tides and low tides. That range depends on the sun-Earth-moon;s position.

a)

ocean waves

b)

mountain level

c)

sea level

d)

tidal range

12.
Gravity is a force, and it weakens with _____
a)
distance
b)
time
c)
velocity
d)
acceleration