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Friction slide tests — Homework
Use this week's friction ideas to answer, and describe your own surface test if asked.
- 1.You slide a toy across a rug and across a tile floor. Which surface creates more friction, and how do you know?
- 2.True or false: a perfectly smooth surface has zero friction.
- 3.Why do bike brakes use rubber pads that press against the wheel?
- 4.Describe a fair test you could run to compare friction on two surfaces in your home.
- 5.Why do your hands feel warm after rubbing them together quickly?
🌲 Homeschool of the FutureThird Grade · Science · week 2 homework