1) What is friction? a) The force that pulls objects towards the center of the Earth. b) The force that opposes motion between two surfaces in contact. c) The force that makes objects float in water. 2) Which surface produces more friction? a) Smooth and slippery surface. b) Rough and bumpy surface. c) Shiny and reflective surface. 3) How does friction affect the movement of objects? a) It makes objects move faster. b) It slows down or stops the movement of objects c) It has no effect on the movement of objects. 4) Which of the following activities reduces friction? a) Ice skating b) Applying oil on a bicycle chain. c) Using a sled on a snowy hill. 5) Why do shoes have treads on the soles? a) To make them look stylish b) To reduce friction and make walking smoother c) To increase friction and prevent slipping.

Friction Retrieval!

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