Flight - Unit Quiz

What are the properties of air (select all that apply)

• Air has mass (weight)

• Air expands

• Air insulates

• Air takes up space

• Air can exert a force

Weight is the force of gravity pulling on an object?

• True

• False

Gravity is what kind of force?

• Upwards

• Backwards

• Forwards

• Downwards

Drag is what kind of force?

• Upwards

• Downwards

• Backwards

• Forwards

Lift is what kind of force?

• Upwards

• Downwards

• Backwards

• Forwards

Thrust is what kind of force?

• Upwards

• Downwards

• Backwards

• Forwards

Bernoulli's Principle states that as the speed of air increases, the pressure increases as well.

• True

• False

This is the ideal shape of a plane wing because...

• Fast moving air has lower air pressure than slow moving air, causing lift

• Cold air travels lower than hot air

• Slow moving air has lower air pressure than fast moving air, causing lift

• None of the above

The first successful airplane was invented by?

• Newton

• Bernoulli

• The Wrong Brothers

• The Wright Brothers

The three animals known (to date) that are capable of flying are...

• Monkey, birds and fish

• Birds, bats and insects

• Insects, birds and rodents

• None of the above