Flight

The faster air moves, the lower the ________.

• Speed

• Density

• Compression

• Pressure

What happens to air when it is heated?

• It compresses and shrinks

• It rises

• it expands

• it expands and rises

Tags

NGSS.MS-ESS2-6

The Wright brothers' names were....

• Orson and Welles

• Orville and Wilbur

• Otto and Karl

• Olio and Stanlio

Whose Principle is used to describe why flight is possible?

• Newton

• Descartes

• Bernoulli

• Pascal

When an airplane is taking off, lift is ___________ the weight.

• greater than

• less than

• the same as

This force slows a plane down.  It is caused by air friction on the plane.

• lift

• thrust

• weight

• drag

When an airplane is cruising at altitude all forces are

• unbalanced

• no longer needed

• balanced

This is an engine-powered force that pushes the plane forward through the air.

• thrust

• weight

• drag

• lift

What can a glider fly without?

• wings

• force

• engine

• aircraft

When an airplane takes flight, lift is less than the weight. True or false?

• True

• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4