Engineering a catapult
Published on Jan 29, 2017
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PRESENTATION OUTLINE
Station 1 - Test for Accuracy
- Your challenge is to accurately throw cotton balls into a container.
- You will have 2 practice runs to determine the best launching distance from the catapult.
- Then, from a set distance, count how many cotton balls out fo 5 fall into the container (ice cream bucket)
Photo by classic_film
Station #2 - Test for Power
- Your challenge is to launch a marshmallow as far as possible.
- Record the distance.
Photo by Josh Kenzer
Station #3 - Tower Test
- Your challenge is to knock over a tower!
- This challenge will be a test of both accuracy and power.
- You will record how many tries it takes to knock over the tower.
- You have a maxium of 5 attempts per trial.
Photo by rileyroxx
Material Options
- popsicle sticks
- tape and scissors
- plastic cups
- pop cans (you provide)
- rubber bands
- soup cans
- plastic spoons
- bottle caps
Photo by cdslug
Materials - cont.
- binder clips
- clothes pins
- paper towel tubes
- If you have some other materials that you would like, let me know and I will see if I have it...
Photo by lintmachine
4 build and practice days
Then we will begin testing the catapults one station at a time
Photo by Kikishua
Questions?
Photo by Derek Bridges
