Vocabulary
What is gravity?
The force that pulls an object down towards the center of the earth
What is the force that makes an airplane slow down?
Drag
What is drag?
a force that pulls in the opposite direction
Name 3 ways a seed can travel
Air (Flight), Water (floating), Animals (Getting stuck on something)
Lion
What is lift?
a force that takes things up
What direction does thrust and lift go for a helicopter?
Up! Lift and thrust work together to make the helicopter go up
True or false: a falling sheet of paper experiences more drag than a bowling ball
True
What is aerodynamics?
the way objects move through air
If you have 5 apples and you give away 2, how many do you have left?
3
What is thrust?
a force that pushes forward
What are the 4 main forces of flight? Draw an image of an airplane on the board and label the 4 forces, you have 2 minutes!
Thrust, Gravity, Lift, and Drag
Name 3 items that experience lots of drag
Parachutes, Paper, feathers, leaves, etc
How did our straw airplanes project work? What helped them fly?
When you throw your straw airplane, the air goes under and through the paper circles, creating lift. The paper airplane was also made of lightweight materials
In this fairy tale, a girl leaves a glass slipper behind at a royal ball
Cinderella
What is a hypothesis
An educated guess, a concept or idea that you test through research and experiments.
Describe how our propeller helicopter project worked.
You wind the rubber band to create energy for the propellers to spin and fly upward.
When using the runner parachutes, what differences did you notice between running with and without the parachute?
You felt more drag with the runners parachutes because it would catch more air and slow you down
What provided thrust to our propeller fliers? What caused drag?
The propellers provided thrust, while the friction of the straw and the string caused drag
This large body of water covers more than 70% of the Earth's surface