What is the initial setup for the experiment to demonstrate the properties of warm air?

Understanding Warm and Cold Air

Interactive Video
•
1st Grade - University
•
Hard

Liam Anderson
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two candles are placed below two plastic bags.
A single plastic bag is placed on a table with a candle beside it.
A plastic bag is filled with water and placed over a candle.
Two plastic bags are hung on a stick with a candle below one.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the plastic bags when the candle is lit?
The plastic bags remain balanced.
Both plastic bags fall to the ground.
The plastic bag above the candle rises.
The plastic bag away from the candle rises.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the plastic bag above the candle rise?
The air inside the bag becomes heavier.
The air inside the bag becomes colder.
The warm air rises, pushing the bag upwards.
The candle melts the plastic bag.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to air when it is heated?
It remains the same.
It expands and becomes lighter.
It turns into a liquid.
It contracts and becomes denser.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the expansion of air affect its weight?
It becomes heavier.
It becomes lighter.
It remains unchanged.
It becomes solid.
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