This downward force on an aircraft, bird, or insect in flight.
What is gravity/weight?
The property demonstrated by pouring water into a sealed container through a funnel.
What is air takes up space?
The force that moves a plane/bird/insect forward through the air.
What is thrust?
The gas that is required to fuel a flame.
What is oxygen?
When a container is sealed that has warm air in it.
What is it will implode as the air cools and contracts?
The air resistance that tends to slow the forward movement of an airplane, bird, or flying insect.
What is drag?
The most abundant gas in our atmosphere.
What is nitrogen?
The property of air demonstrated by the "Cartesian Diver" - the eye dropper in the pop bottle that you can raise and lower by squeezing.
What is air can be compressed?
To the forces of flight when an aircraft descends and slows down.
What is drag and weight are increasing, lift and thrust are decreasing?
What is the food will rot and mold, the metal will rust?