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Oceans, Atmosphere and Currents

Total questions: 22

Worksheet time: 22mins

Name
Class
Date
1.

How are Earth's oceans believe to have been formed?

a)

comets and meteorites containing ice hit earth and melted upon collision forming oceans

b)

eruptions released water vapor into the air forming clouds and eventually rain which filled ocean basins

c)

both explanations are accurate

d)

neither explanation is accurate

2.

How does gravity affect objects with greater density than the stuff that surrounds them?

a)

more dense objects are pulled towards the center of mass (Earth’s core) by gravity

b)

more dense objects are pushed away from the center of mass (Earth’s core) by gravity

3.
The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.
a)
Cold
b)
Warm 
c)
Freezing
d)
Fresh
4.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
5.
Surface currents are a result of
a)
Global Wind Patterns
b)
Earth's Rotation
c)
Density
d)
All of the above
6.
Deep Ocean currents are a result of
a)
Global Wind Patterns
b)
Earth's Rotation
c)
Density
d)
All of the above
7.
Cold ocean currents generally come from
a)
The North Pole 
b)
The South Pole
c)
The Equator
d)
Both A and B
8.

What kind of water would be located closest to the surface?

a)

colder temperature

b)

colder temperature & more salinty

c)

warmer temperature & less salinty

d)

less salinty

9.

What can cause ocean currents?

a)

temperature

b)

salinity

c)

wind

d)

all of these cause ocean currents

10.
Where you will find the ozone layer.
a)
stratosphere
b)
thermosphere
c)
exosphere
d)
mesosphere
11.
Where weather occurs.
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
12.
Where we live.
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
13.
The hottest layer.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
14.

As you go higher in the troposphere, the temperature _______________.

a)

decreases

b)

increases

c)

stays the same

d)

gets very hot

15.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
16.
Where I find clouds.
a)
thermosphere
b)
stratosphere
c)
troposphere
d)
ionosphere
17.
Which layer is the outermost layer?
a)
troposphere
b)
thermosphere
c)
exosphere
d)
mesosphere
18.
The higher you go, the air becomes _____ _____.
a)
More dense
b)
Less dense 
19.
What happens to the density (thickness)/air pressure of the air as you increase in altitude?
a)
density increases
b)
density decreases
c)
density stays the same
d)
density disappears
20.

About how much of the atmosphere is made up of nitrogen?

a)

1%

b)

78%

c)

21%

d)

97%

21.
What percentage of our atmosphere is made of oxygen? 
a)
1%
b)
21%
c)
78%
d)
25%
22.
There would be more pressure if you were....
a)
on top of a roof of a tall building
b)
sitting in this classroom
c)
on top of a mountian
d)
sitting in the top row of a stadium

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