- What are the 6 properties of air?
- Air has weight
- Air takes up space
- Air can be compressed
- Air can insulate
- Air can contract when cooled
- Air can expand and create pressure when heated
- Air is tasteless and odourless
2. What is atmosphere?
Atmosphere is the layer of air that surrounds the earth.
3. What is Bernoulli’s principle? Explain it.
Bernoulli’s principle states that as air moves around an object, it creates different pressures on that object. The less pressure, the faster the air. The higher pressure, the slower the air.
4. What are the four principles of flight?
Lift, weight, drag, and thrust.
5. What is lift?
When the air pressure below a wing is greater than the air pressure above the wing, the net upward force is called the lift.
6. What is weight?
The force with which a body is attracted to Earth, equal to the product of the object’s mass and the acceleration of gravity.
7. What is thrust?
Thrust is what moves the aircraft forward and also creates air speed
8. What is drag?
Drag is a force that acts against thrust and slows the airplane down. When the thrust is greater than the drag, the plane moves forward. When weight is greater than lift, the plane descends.