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WorksheetsTides 4th Period
Total questions: 20
Worksheet time: 5hrs 0mins
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.
Tides are mostly affected by ___________
a)
wind
b)
gravitational pull of moon
c)
waves gravitation toward land
d)
rain
3.
What type of tide will occur at 9:30 a.m.?
a)
low
b)
high
c)
none
d)
high and low
4.
In which picture is the person experiencing the highest tide?
a)
Picture A
b)
Picture B
c)
Picture C
d)
Picture D
5.
In which picture is the person experiencing the lowest tide?
a)
Picture A
b)
Picture B
c)
Picture C
d)
Picture D
6.
What do we call a tide that has a large range between the high and low tides?
a)
gravity tide
b)
wind tide
c)
spring tide
d)
neap tide
7.
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
8.
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
9.
What 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
10.
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 is in 3rd or 1st quarter phases
c)
Spring tides are LOWER than neap tides
11.
At the same time the sea is drawn to the moon, does another tidal bulge take place on the other side of Earth?
a)
Yes
b)
No
c)
Maybe
d)
I don't know!
12.
The moon's __________ pulls the water on the earth towards it causing tides to occur.
a)
gravitational force
b)
light
c)
shadow
d)
orbit
13.
Why do globes lean sideways?
a)
To allow them to spin easier.
b)
To demonstrate the tilt of Earth's axis.
c)
To demonstrate the effects of gravity.
d)
To demonstrate day and night.
14.
What happens when the area in which you live tilts away from the sun?
a)
It is summer.
b)
It is spring.
c)
It is winter.
d)
It is fall.
15.
Why does the area around the equator stay the same temperature all year?
a)
The equator rotates slower than the poles.
b)
The equator remains the same distance from the sun.
c)
The equator always receives direct sunlight.
d)
The equator has 18 hour days.
16.
When the Northern Hemisphere is pointing towards the sun, what season is the Southern Hemisphere?
a)
Winter
b)
Spring
c)
Fall
d)
Summer
17.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
18.
Why do tides have patterns?
a)
Because the earth rotates
b)
Because the sun rotates
c)
Because the earth orbits around the sun
d)
Because the moon orbits around the sun
19.
After a high tide occurs, how long will it take for the next high tide?
a)
12 hours
b)
6 hours
c)
12 days
d)
6 days
20.
How many low tides and high tides happen in a day?
a)
1 low tide, 1 high tide
b)
4 low tides, 4 high tides
c)
3 low tides, 3 high tides
d)
2 low tides, 2 high tides
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