Pressure and Air Quiz - grade 1-3

What is air pressure?

• The force exerted on a surface by the weight of the air above it.

• The speed at which air moves

• The amount of oxygen in the air

• The temperature of the air

How does a balloon inflate?

• By rubbing it

• By blowing air into it

• By shaking it vigorously

• By heating it in the microwave

What is the main component of air?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

What happens to the size of a balloon when it is inflated with air?

• Increases in size

• Turns into a different color

• Remains the same size

• Decreases in size

What is the process of filling a balloon with air called?

• deflation

• exhalation

• compression

• inflation

What is the name of the instrument used to measure air pressure?

• barometer

• thermometer

• anemometer

• altimeter

What is the process of air escaping from a balloon called?

• Inflation

• Deflation

• Expansion

• Contraction

What is the process of air cooling called?

• Condensation

• Evaporation

• Sublimation

• Freezing

What is the name of the layer of the atmosphere where weather occurs?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What is the process of air turning into a liquid called?

• Condensation

• Evaporation

• Sublimation

• Freezing