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Questions and Answers
What is the layer of air that surrounds Earth called?
What is the layer of air that surrounds Earth called?
- Hydrosphere
- Stratosphere
- Ozone
- Atmosphere (correct)
Which gas in the air is used up during combustion processes like fire?
Which gas in the air is used up during combustion processes like fire?
- Carbon Dioxide
- Oxygen (correct)
- Argon
- Nitrogen
What is the force exerted by air on objects called?
What is the force exerted by air on objects called?
- Temperature
- Gravity
- Pressure (correct)
- Density
What is the pressure caused by the weight of all the air particles in Earth's atmosphere called?
What is the pressure caused by the weight of all the air particles in Earth's atmosphere called?
How does compressed air behave compared to when it is not compressed?
How does compressed air behave compared to when it is not compressed?
What is the primary force that allows airplanes to fly?
What is the primary force that allows airplanes to fly?
Which principle explains why the pressure exerted by a fluid decreases when its speed increases?
Which principle explains why the pressure exerted by a fluid decreases when its speed increases?
How can one achieve increased lift for flying objects?
How can one achieve increased lift for flying objects?
Which force is responsible for acting against an object moving through a fluid or gas?
Which force is responsible for acting against an object moving through a fluid or gas?
What characteristic of air allows it to exhibit fluid-like behavior even though it is a gas?
What characteristic of air allows it to exhibit fluid-like behavior even though it is a gas?
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