
Understanding Air Expansion and Contraction

Interactive Video
•
Physics, Science
•
5th - 8th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do rubber tires sometimes burst during hot summer days?
The rubber becomes too soft.
The tires are overfilled with air.
The air inside the tires expands.
The road surface is too hot.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to heat the air inside hot air balloons?
Burners
Wind turbines
Electric heaters
Solar panels
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the air molecules inside a balloon when heated?
They move slower and come closer.
They move faster and spread apart.
They stay the same.
They become solid.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What materials are needed for the activity to demonstrate air expansion?
A boiling tube, a cellotape, and a balloon
A boiling tube, a balloon, and a beaker
A balloon, a cellotape, and a beaker
A boiling tube, a cellotape, and two beakers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a cellotape in the activity?
To measure the temperature
To mark the water level
To make the balloon colorful
To tightly secure the balloon over the test tube
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the balloon when the test tube is placed in hot water?
It bursts
It changes color
It inflates
It deflates
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the balloon inflate when the test tube is placed in hot water?
The test tube expands
The water enters the balloon
The balloon material expands
The air inside the test tube expands
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