Flight and Space

What is not true?

• Mars' diameter is smaller than Earth.

• Mars' atmosphere has carbon dioxide while Earth's does not.

• Mars has sand storms called dust devils.

• Mars has water.

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What is not a danger of living in space?

• Bone mass is lost much faster.

• Muscle mass is lost if exercise isn't rigorous enough.

• Vision changes in space and becomes permanent.

• People are exposed to more radiation than on Earth.

When designing space craft for the Moon (rovers, landers, or rockets but not helicopters) aerospace engineers must be concerned with all but...

• impact force (shock absorbers)

• drag

• stabilizers

• lift

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Air friction with any aerospace vehicle is called _____________.

• gravity

• lift

• drag

• thrust

Which is a disadvantage of a multi-stage rocket?

• Not reusable, so cost a lot for one use.

• decreases weight so it can rise higher.

How do astronauts get water when in space?

• They bring up all the water they will need.

• Astronauts get packages of water delivered by a rocket.

• They continue to filter water again and again.

• They don't get enough water and that explains why they float.

Why do astronauts have to exercise so much when in space?

• To keep their muscles strong because they are not using them to fight gravity.

• Because they have nothing better to do.

• So they can get their spine to stretch out so they come back to Earth taller.

An airplane part that changes yaw on a plane.

• Aileron

• Elevators

• Rudder

• Fuselage

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An airplane part that changes pitch on a plane.

• Aileron

• Elevators

• Rudder

• Fuselage

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An airplane part that changes roll on a plane.

• Aileron

• Elevators

• Rudder

• Fuselage

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