Show:
Properties of Air
Flight
Birds and insects
100
In the experiment Fill'er Up Please, What was the property of air? (no capitals or punctuation in answer)
air takes up space
100
If drag and thrust are the same on an aeroplane, what happens? (no capitals or punctuation in answer)
the plane flies at a steady rate
100
What skeleton does an insect have?

(no capitals of punctuation in answer) 

an exoskeleton
200
In the experiment A Weigh We Go, what is the property of air? (no capitals or punctuation in answer)
air has weight
200
What are the two basic forms of propulsion? (no capitals or punctuation in answer) 
jet and propeller
200
What happens to an insect's wing when it starts to fly?

(no capitals or punctuation in answer)

it creates an air foil shape 
300
In the experiment The Syringe, what is the property of air? ( no capitals or punctuation in answer)
air can be compressed
300
What are the four forces of flight? (no capitals but commas in answer)
lift, drag, thrust, weight 
400
In the experiment The Rising Balloon, what is the property of air? (no capitals or punctuation in answer)
air expands when heated and contracts when cooled
400
What is Bernoulli's principal? (no capitals or punctuation in answer)
the faster the flow of air the lower the pressure
500
In the experiment Keep Em Dry, what are the TWO properties of air. (no capitals or punctuation in answer)
air takes up space and air exherts a force or pressure
500

What is the name of the wing that allows an airplane  to fly?

air foil