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- 1. Multiple Choice
Air is made up of atoms and molecules.
True
False
- 2. Multiple Choice
Air has no weight.
True
False
- 3. Multiple Choice
Air is made up of a mixture of many different kinds of gases.
True
False
- 4. Multiple Choice
Gases are invisible
True
False
- 5. Multiple Choice
Which gas is the most common in our air?
Nitrogen
Hydrogen
Helium
Oxygen
- 6. Multiple Choice
Which box below shows a more dense object?
Left
Right
- 7. Multiple Choice
Define Density
The weight of a column of air pushing down on an area
The Amount of Mass in a given volume
The force pushing on an area
The distance above sea level
- 8. Multiple Choice
Define Pressure
The weight of a column of air pushing down on an area
The Amount of Mass in a given volume
The force pushing on an area
The distance above sea level
- 9. Multiple Choice
Define Altitude
The weight of a column of air pushing down on an area
The Amount of Mass in a given volume
The force pushing on an area
The distance above sea level
- 10. Multiple Choice
Define Air Pressure
The weight of a column of air pushing down on an area
The Amount of Mass in a given volume
The force pushing on an area
The distance above sea level
- 11. Multiple Choice
Air pressure is measured with a
thermometer
hot-air balloon
satellite
barometer
- 12. Multiple Choice
The force pushing on an area is called density.
True
False
- 13. Multiple Choice
Clouds are made of water vapor (gas).
True
False
- 14. Multiple Choice
As I walk up Mt Everest, the density of air...
decreases
increases
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