Paper Copter

What is the mass of the Mars helicopter?

• 0.8 kg

• 1.8 kg

• 2.8 kg

• 3.8 kg

Which of the following does a helipcopter have?

• Big blade

• Small tail

• Small door

• Big fan

How does air resistance affect moving objects?

• It helps them go faster.

• It makes them stop immediately.

• It acts as a force in the opposite direction of the moving object.

• Air resistance doesn't affect moving objects.

What do you call the type of friction between air and another material?

• Lift

• Force

• Air resistance

• Water resistance

Which type of object travels through the air quicker?

• Short and wide

• Small and thin

• Big and wide

• Long and thin

What force pulls something down?

• Friction

• Mass

• Weight

• Push

Why does a parachute help a person fall to the ground slower than when they are free falling?

• It creates more air resistance.

• It creates less air resistance

• It makes them heavier.

• it makes them bigger.

____________ is a type of friction between water and another material.

• Air resistance

• Force

• Gravity

• Water resistance

Which one of the following plants falls slowly to the ground in a similar way to the paper-copter?

• Rose plant

• Sycamore plant

• Lily plant

• Hibiscus plant

When was Nasa's Perseverance Mars rover launched?

• July 2020

• June 1998

• July 2021

• August 2019