Expansion Assignment
Presentation
•
Science, Physics
•
8th Grade
•
Easy
Angela Toh
Used 7+ times
FREE Resource
3 Slides • 8 Questions
1
Fill in the Blanks
What happens to the air in the air balloon when it is heated?
Type answer...
2
Fill in the Blanks
What happens to the density of the in the air balloon when it is heated?
Type answer...
3
Open Ended
Why does the density of the hot air balloon decreases when it is heated?
4
Why does the density of the hot air balloon decreases when it is heated?
When the air is heated, the particles move further apart and expands. The volume of the air increases but the mass remains the same. So the density decreases.
5
Open Ended
Why does the density of the hot air balloon decreases when it is heated?
6
Open Ended
Why does the hot-air balloon rise?
7
Why does the hot-air balloon rise when heated?
The density of the air in the balloon is lesser than the surrounding air. So the hot air balloon rises.
8
Open Ended
Why does the hot-air balloon rise?
9
Open Ended
Explain what happens to the balloon when the hot air in the balloon cools?
10
Explain what happens to the balloon when the hot air in the balloon cools?
When the hot air in the balloon cools, it contracts and becomes denser than the surrounding air. So it will descend and fall.
11
Open Ended
Explain what happens to the balloon when the hot air in the balloon cools?
What happens to the air in the air balloon when it is heated?
Type answer...
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