Investigation 3 - Rolling Cups by Levi and Edward

Today we explored rolling cups on the ramp. First the cups turned left and right because one side is bigger and one side is smaller. Then Ms. Analu asked us to try to make it roll straight. So we taped the cups together and it started rolling straight because it was the same size of wheels. Then we started to make it go faster. You put two sharpeners inside the cups and it was rolling faster. Sometimes the sharpeners came out without anyone pushing the cups. Then the cups rolled the same speed.

Check out the pictures!