OVERCOMING FRICTION 2

HYPOTHESIS

What do you use in your car's engine to reduce friction?

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MATERIALS

PROCEDURE

1. Make sure your hands are dry. Rub them together briskly so that you create a lot of friction. What happens to their temperature?

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2. Now add some hand lotion and rub them again. What happens this time?

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CONCLUSION

Lubricants are materials that help overcome friction. What lubricant did we use in this experiment?

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