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21.9.16 Science

Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction.

Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 1
Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 2
Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 3
Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 4
Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 5
Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 6
Our Science investigation, we used a car down a ramp to see how different materials create friction. We made our predictions. Our conclusion was the bumpy or rough surfaces create more friction. 7

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