Grade 4 Ace program

Bernoulli's principal states that faster moving air creates a _____ pressure than slower moving air

• louder

• brighter

• lower

• higher

What part of the plane helps it turn left or right?

• landing gear

• fuselage

• elevator

• rudder

What do we call an aircraft that has no power source, like an engine, to help it move forward?

• glider

• remote control craft

• rotor craft

• sailor

What causes the propeller to spin off the fun shuttle?

• the wind

• energy released by the rubber band

• gravity

• magnetic energy

As the weight of a rocket's payload (stuff it is carrying) increases, what else must increase?

• thrust/power

• gravity

• astronauts

• nothing

What creates the feeling of a weightlessness for astronauts orbiting Earth?

• There is no gravity in space

• The astronauts are in a constant state of freefall

• The earth's gravity pulls astronauts down at the same time the moon's gravity pulls the astr

• There is high pressure pushing up on the astronauts

Which of the following does NOT explain the Apollo 11 patch?

• The eagle represents the American Spirit

• The patch symbolizes that astronauts made it to the moon.

• The patch shows the eagle bringing an olive branch, which stands for peace

• The astronauts wanted to reflect their pioneering spirit.

Which of the following IS an example of a NASA spin-off?

• flying saucer

• Tang (orange drink)

• voice operated wheelchair

• velcro

When comparing the Moon, Earth, and Mars, which is the largest in size?

• the Moon

• Earth

• Mars

• Earch and Mars are the same size

Which of the following is NOT a good core value?

• honesty

• pessimism

• respect

• responsibility