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WorksheetsTides practice
Total questions: 18
Worksheet time: 10mins
Name
Class
Date
1.
Tides are caused by
a)
strong winds that blow over ocean waters.
b)
the interaction of Earth, the moon and the sun.
c)
the shifting of the plates on the ocean floor.
d)
variations in the salinity of ocean water
2.
What causes tides?
a)
gravity
b)
wind
c)
spring
d)
neap
3.
What do we call a tide that has a large range?
a)
gravity
b)
wind
c)
spring
d)
neap
4.
What do we call the small tides that happen when the sun and moon are at right angles to each other?
a)
Neap Tide
b)
Spring Tide
c)
Larger Change
d)
Smaller Change
5.
In general, tides occur...
a)
each hour
b)
2 times a day
c)
each month
d)
twice a month
6.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
7.
Wha type of tide would this arrangement of earth-moon-sun create?
a)
full moon tide
b)
new moon tide
c)
neap tide
d)
spring tide
8.
Tides are caused by ___________
a)
wind
b)
gravitational pull of moon
c)
waves gravitation toward land
d)
rain
9.
Which moon phase is shown in this diagram?
a)
new moon
b)
first quarter
c)
full moon
d)
last quarter/3rd quarter
10.
Which phase of the moon is represented in this diagram?
a)
new moon
b)
first quarter
c)
full moon
d)
last quarter/third quarter
11.
Tides are
a)
changes in the way the moon looks over a month
b)
daily changes in elevation of the ocean surface
c)
huge waves caused by earthquakes
d)
water coming up the beach
12.
We can envision tides as a point on Earth rotating through two _________ caused by gravity from the Moon and Sun, and inertia
a)
tidal bulges
b)
ellipses
c)
tsunamis
d)
clouds
13.
Which exerts a stronger gravitational pull on Earth's oceans?
a)
The Sun
b)
the Moon
14.
Differences in the moon's and sun's pull on different sides of the Earth cause _________.
a)
gravity
b)
lunar phases
c)
tides
d)
dabbing
15.
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
16.
If tides alternate from high to low and there are two of each type of tide a day, about how many hours will generally be between each different tide?
a)
2 hours
b)
6 hours
c)
12 hours
d)
24 hours
17.
The difference in levels of ocean water at high and low tides is the _________________.
a)
low tide
b)
tidal range
c)
high tide
d)
slack water
18.
Tides are caused mainly by what?
a)
Moon’s gravitational pull
b)
Sun’s gravitational pull
c)
Earth’s gravitational pull
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