This week's Experiment I made a Cotton Ball Cannon I had to get all the things I needed first which was: two cardboard tubes, a pencil, thin strong rubber bands, a hole puncher, scissors', tape and a cotton ball. First I cut one of the cardboard tubes in half and taped it up then I used the hole puncher to put a hole in the smallest tube now I cut four slits in the big tube on opposite sides of the tube and put the rubber bands through the slits and taping the bottom of the slits, then I pulled the rubber bands over the pencil and put the cotton ball in the big tube so it was just touching the small tube.
The class had a test of who could go the furthest, the first few times I couldn't get it to shoot properly but then I got the cotton ball 30cm I decided to shoot at different angle and it worked I got 50cm on my second turn then on my third turn I got 125cm the person who got the furthest got 260 I think, I enjoyed this Experiment.
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