Which item has low friction?, sandpaper, rough road, ice, carpet, Which item has high friction?, sandpaper, oil, ice, glass, Which item helps a bike stop?, brakes, oil, soap, ice, Which item helps us walk?, wet floor, oil, soap, shoes, Which item is easy to slip on?, grass, carpet, wet floor, dry floor, Which item makes heat?, sleeping, rubbing hands, freezing, drinking, Which item reduces friction?, sand, rubber, brakes, oil, Which slows objects down?, sound, light, friction, water

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