What happens to particles of air when heated?
Effects of Heat Basics

Quiz
•
Physics, Science
•
8th Grade
•
Hard
Nicky Liang
Used 11+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Particles move faster and expand
Particles move slower and the air expands
Particles move faster and become closer together
Particles move faster and become further apart
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When cooled, the mass of an object ...
decreases.
increases.
remains constant.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When cooled, object's....
volume increases and density increases
volume decreases and density decreases
volume increases and density decreases
volume decreases and density increases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thermal expansion occurs when particles of matter move farther apart as temperature decreases.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The liquid in the thermometer rises when it is placed in the hot water because ___________.
it gains heat from the hot water and expands.
loses heat from the hot water and contracts.
the surrounding air is too warm.
•the liquid is boiling.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is thermal expansion the least noticeable at room temperature?
nitrogen
steel
water
fluorine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are overhead electrical wire lines installed?
They are installed tightly to save costs
They are installed loosely to give allowance for expansion
They are installed tightly to give allowances for contraction
They are installed loosely to give allowances for contraction
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A wooden wheel can be strengthened by putting a tight circle of iron around it.
Which action would make it easier to fit the circle over the wood?
Cooling the iron circle
Heating the wooden wheel but not heating or cooling the iron circle
Heating the wooden wheel and cooling the iron circle
Heating the iron circle
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram below shows an equipment used to measure temperature. The height of the mercury level ‘h’ indicates the temperature.
The flask is filled with gas instead of water because
gas contracts less than water when cooled.
gas expands more than water when heated.
gas has a smaller density than water.
gas is a poorer conductor of heat than water.
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