Convection Quiz 8.13.20
Authored by Patricia Burks
Science
7th - 8th Grade
NGSS covered
Used 10+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When air is heated, its volume ____________.
increases
decreases
remains the same
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When air is heated, its density ___________.
increases
decreases
remains the same
Tags
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows a refrigerator. The cooling unit is placed at the top. The cooling unit cools the air near it. What happens to the density of the air as it cools, and how does it move?
The density of air increases. It moves down.
The density of air increases. It moves up.
The density of air decreases. It moves down.
The density of air increases. It moves up.
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows a refrigerator. The cooling unit is placed at the top. The cooling unit cools the air near it. What happens to the density of the air as it cools, and how does it move?
The density of air increases. It moves down.
The density of air increases. It moves up.
The density of air decreases. It moves down.
The density of air increases. It moves up.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the best position to place the heating element in an electric heater?
A
B
C
D
Tags
NGSS.MS-PS1-4
NGSS.MS-ETS1-1
NGSS.MS-PS3-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the process of convection, energy is transferred _________.
because of temperature differences in a solid
because of density differences in a liquid
by the diffusion of molecules throughout a fluid
by the vibration of molecules
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly shows the direction of convection currents in water?
A
B
C
D
Tags
NGSS.MS-PS1-4
NGSS.MS-ESS2-4
NGSS.MS-ESS2-6
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