PAPER HELICOPTERS by Mallory Butterly 3rd Class
What we need for the experiment:
Template, paper clips, scissors and paper helicopters
This is what you do!
- Cut out template and attach a paper clip.
- Fold back the wings.
- Hold two helicopters (big and small) at the same height and let them drop
- See which one hit the ground first.
The small helicopter hit the ground first because it has a small area so there is less air resistance. The big helicopter hit the ground last because it has larger surface area for air resistance.
What we did next:We put paper clips on to the heavier helicopter to see if it made a difference. We estimated how many paper clips it would take to make the bigger helicopter fall at the same speed as the small helicopter. I guessed 5 and it took 7 which is a difference of 2 paper clips.
The shape of the blades and the weight are really important as they make it spin when dropped from a height.