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Science Quarter 3 Review
Test Description: Unit 3
Instructions: Answer all questions to get your test result.
1) Heat from a campfire is transferred by
A
radiation
B
convection
C
nome of these
D
conduction
2) Heat that is transferred through contact is
A
none of these
B
radiation
C
convection
D
conduction
3) Why does convection take place?
A
warm air is less dense and rises
B
neither of these
C
both of these
D
cold air is more dense and sinks
4) What causes most of the heating of the troposphere?
A
conduction
B
convection
C
none of these
D
radiation
5) Cold air masses are
A
less dense than warm air masses
B
more dense and flow under warm air masses
C
mixes easily with warm air masses
D
remain stationary
6) Winds are caused by what?
A
constant relative humidity
B
burning fossil fuels
C
differences in air pressure
7) A cold dry air mass formed over Canada can be classified as
A
tropical maritimeWhe
B
polar continental
C
tropical continental
D
polar maritime
8) What is formed when a warm front and a cold front meet but there is very little movement?
A
cold front
B
occluded front
C
warm front
D
stationary front
9) Why has weather forecasting improved in recent years?
A
more experienced forecasters
B
technology
C
more consistent weather patterns
D
global warming
10) What occurs when a cold air mass lifts a warm air mass?
A
occluded front
B
stationary front
C
cold front
D
warm front
*select an answer for all questions
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