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With a dozen wooden dowels, some rubber bands, a cup or spoon, and ping-pong balls, you can build a DIY catapult for tabletop warfare.
Dropping eggs that won’t break, designing a paper plane that actually flies and building an effective rubber band catapult led nearly 40 students from Park Ridge-Niles School District 64 to take ...
The catapult you are about to make uses elastic potential energy stored in a wooden stick as you bend it. ... Four or five sturdy rubber bands. Glue. Plastic bottle cap to hold a cotton ball.
I used the catapult in a quiet holiday weekend to minimize foot or vehicle traffic. After all, the goal was not to cause any real trouble. The pyramid catapult, built from instructions in Rubber Band ...
Background The Bring Science Home activity Build a Catapult showed you how to build a miniature catapult out of popsicle sticks and rubber bands. This catapult worked by storing elastic potential ...
Now we're going to add a catapult. Now I'm going to use my scissors to carefully make a very small cut. I use a pen to open it up. And now I can push through the rubber band, ...
Catapult Design Challenge Season 1 Episode 2 | 1m 5s Explore simple machines and create a catapult using these simple materials: popsicle sticks, marshmallows, spoon, and rubber bands.
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