In 4th grade we studied the mechanics of catapults. This is building off of a project they completed last year where they made much simpler versions of the catapult using paint stir sticks, a cylinder, and a rubber band. It was encouraging to me how much they remembered from last year's project! This time they were given popsicle sticks, a spoon, rubber bands, and glue. They had time to research and plan individually before they were put into teams to make the final plans and build. I was really impressed with how they challenged themselves to build something complex instead of the "basic" models they found in their research. After they were all built, we went out into the green space at school for the big shoot off!
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| I like how this team even took notes on how many they needed of each material. |
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| This team ended up making a very complex machine. |
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| Get ready, set... |
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| Such focus and concentration! |
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