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aerodynamics, forces of flight and animal fliers

Last updated over 3 years ago
20 questions
Note from the author:
Grade 6 Science in ALberta
1

Which of the following factors explains the main reason why ostriches cannot fly?

1

The veins in the dragonfly wings most likely provide what?

4

Using what you know about the 4 forces of flight, properly label the forces acting on the bird.

  • drag
  • lift
  • thrust
  • gravity
  • A
  • B
  • C
  • D
5

Imagine an airplane flying through the air. Use what you know about lift, drag, weight, and thrust to tell you what will happen to this airplane.

Draggable itemCorresponding Item
If lift becomes less than weight, the plane....
ascends
If lift, weight, thrust and drag become equal, the plane would.....
accellerates
If thrust becomes greater than drag, the plane...
decellerates
If thrust becomes less than drag, the plane....
descends
If lift becomes greater than weight, the plane...
hover
1

What is an airfoil?

1

What is aerodynamics?

4

Which of the following adaptations do birds have that allow them to fly? Check as many that apply.

3

In what ways are insects different flyers from birds? Check all that apply.

1

The laws of physics have not yet figured out how bees are able to fly

0

The main function of the items in these images are to what?

4

Match the forces of flight to their proper definition.

Draggable itemCorresponding Item
The force that gives an object a forward motion. The engines in an aircraft give it the thrust needed for flight.
lift
The force that acts to slow down an object as it moves through the air. Today, airplanes and other vehicles are often designed with smooth lines to cut through the air and overcome drag.
thrust
The upward force that keeps a flying object in the air. Airplanes get lift from their wings.
drag
The force that pulls objects down towards the ground. The more mass an object has, the greater the gravitational pull on the object.
gravity/weight
1

Which of the following images produces thrust in an airplane?

0

The reason that the bag floats up in the air is because:

0

A descending aircraft experience a stronger force of

1

The red car probably goes faster than the blue car because

1

How might a swimmer streamline their body?

1

How might a cyclist streamline their body?

1

What force do parachutes rely on to fall to the ground more slowly?

1

What shape is the best aerodynamic?

1

To generate lift, a blade is angled so the _________ pressure air moves under the blade