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WorksheetsAir and Ocean Currents
Total questions: 25
Worksheet time: 27mins
Name
Class
Date
1.
A(n) _____ is a large body of air that has properties similar to the part of Earth's surface over which it depends.
a)
tornado
b)
pressure system
c)
front
d)
air mass
2.
____________ air rises because it is ____________dense.
a)
Cool, Less
b)
Warm, Less
c)
Cold, More
d)
Warm, More
3.
What heat source causes convection currents in Earth's oceans & atmosphere?
a)
heat from Earth's core
b)
the sun
c)
wind
d)
geothermal energy
4.
Flow of air from land to water
a)
Sea Breeze
b)
Land Breeze
c)
Wind
5.
Flow of air from water to land
a)
Land Breeze
b)
Sea Breeze
c)
Wind
6.
Which is true about the way air flows?
a)
from high pressure to low pressure
b)
from cold air to hot air
c)
from low pressure to high pressure
d)
from top to bottom only
7.
Which is true about atmospheric convection currents?
a)
wind is only caused by the rotation of the Earth
b)
heat is released from the oceans and land causing wind
c)
wind is caused by the polar ice caps
d)
wind is caused by the gravity of planets in our solar system
8.
weather conditions that are characteristic of a region or of a particular place over a long period of time.
a)
weather
b)
weather front
c)
warm front
d)
climate
9.
A massive rotating storm with wind speeds of 119 km per hour or more that forms north of the equator in the Atlantic, eastern Pacific Oceans and Caribbean Sea when warm air rises over tropical waters.
a)
tornado
b)
climate
c)
hurricane
d)
earthquake
10.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
11.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation
12.
What is one role of the ocean in convection?
a)
to provide a home for animals
b)
to absorb & release heat
c)
To surf on
d)
To drink from
13.
What is the cause of most ocean surface currents?
a)
gravity
b)
the wind
c)
the moon
d)
upwelling
14.
Which diagram shows the formation of a land breeze?
a)
diagram Y
b)
diagram X
c)
neither
d)
both
15.
What kind of breeze is this & what time of day/night would it form?
a)
Land breeze - daytime
b)
Land breeze - nighttime
c)
Sea breeze - daytime
d)
Sea breeze - nighttime
16.
I am a fast-moving ribbon of AIR that moves from west to east in the Northern Hemisphere around the Earth.
a)
California Current
b)
Gulf Stream
c)
Jet Stream
d)
Atlantic Ocean
17.
Why do hurricanes lose so much of their power when they hit land?
a)
they run into high pressure which kills hurricanes
b)
land is cooler than water therefore the hurricane loses the energy it needs from warm temperatures
c)
the land breezes shear the hurricane therefore making it harder for it to stay together
d)
the hurricane no longer receives heat and moisture from the warm ocean it uses for fuel
18.
How does the jet stream affect the weather?
a)
The jet stream transports weather systems that affect us.
b)
The jet stream does not affect the weather.
c)
The jet stream releases oxygen so we can breathe.
d)
The jet stream brings only bad weather.
19.
Is this a land or a sea breeze?
a)
land breeze
b)
sea breeze
20.
The winds that blow from the poles to 60� latitude in both hemispheres are called
a)
westerlies
b)
polar easterlies
c)
trade winds.
d)
the doldrums.
21.
The winds that blow from 30� latitude in both hemispheres toward the equator are called___________.
a)
westerlies
b)
polar easterlies
c)
trade winds.
d)
the doldrums.
22.
The winds that blow from 30� to 60� latitude in both hemispheres are called ______.
a)
westerlies
b)
polar easterlies
c)
trade winds.
d)
the doldrums.
23.
Winds curve on the Earth because of the ________ of the Earth.
a)
rotation
b)
revolution
c)
gravity
d)
mass
24.
What causes differences in air pressure around the Earth?
a)
Cold air rises at the equator, and warm air sinks at the poles.
b)
Warm air rises at the equator, and cold air rises at the poles.
c)
Warm air sinks at the equator, and cold air rises at the poles.
d)
Warm air rises at the equator, and cold air sinks at the poles.
25.
Which term best describes how the earth's atmosphere is heated?
a)
Spirally
b)
Unevenly
c)
Circularly
d)
Kinetically
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