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Tides

Total questions: 10

Worksheet time: 7mins

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.

High tides and low tides each happen _____ times per day.

a)

4

b)

2

c)

1

d)

24

4.

Neap tides happen at _________ and _________ phases of the moon.

a)

first quarter and new moon

b)

last quarter and full moon

c)

waxing and waning

d)

1st quarter and 3rd quarter

5.

Which of the following greatly contribute to high tides?

a)

earth's gravitational pull on moon

b)

sun's gravitational pull on moon

c)

sun's gravitational pull on earth

d)

moon's gravitational pull on earth

6.

During a neap tide, the sun, moon, and earth are at a ___________ angle.

a)

360 degree

b)

23.5 degree

c)

45 degree

d)

90 degree

7.

What type of tide is evident when the moon is in the full moon phase?

a)

high tide

b)

low tide

c)

spring tide

d)

neap tide

8.
The bulge of water on the side of the Earth closest to the moon produces ___________.
a)
high tide
b)
low tide
c)
neap tide
d)
spring tide
9.
What is a difference between spring and neap tides?
a)
Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
b)
Spring tides occur when moon in 3rd or 1st quarter phases
c)
Spring tides are LOWER than neap tides
d)
Spring tides occur in Spring and neap tides can occur in any season
10.
Which body has the greater effect on Earth's tides?
a)
Sun
b)
Saturn
c)
Moon 
d)
Venus