Falling through the air The helicopter has rotor blades. These spin to move the helicopter through the air.
You can make a model helicopter and find out how it behaves. Cut along all solid lines. Fold on dotted lines. Fold flap A towards you. Fold flap B away from you. Fold flaps C and D over each other so they overlap. Fold the bottom up and put a paper clip on it.
Drop your helicopter and time how long it takes to fall to the ground. You may be able to drop it from a balcony or window. Why is it better to drop the helicopter from a large height? ____________________________________________ Add another paper clip and drop the helicopter again. You must drop it from the same height. Why must you drop it from the same height? ____________________________________________ Record all your results in this table. number of paper clips 1 2 3 4 5 Draw a graph to show your results.
time
What do your results show? Finish this sentence. If the number of paper clips increases, ______________ ____________________________________________
Helicopter template for 3 helicopters
A
C
B
D
A
C
B
D
A
C
B
D