Forces and MotionWhat a force does, and the one that stops everything…3rd GradeA force is a push or a pull. It can makesomething start moving, stop, speed up,slow down or change direction.A bigger force makes a bigger change.Friction is the force between two surfaces rubbing.Rough surfaces make more friction than smooth ones.Gravity pulls everything towards the centre of Earth.Air resistance is friction against the air.With balanced forces, nothing changes — it stays still or keepsgoing.LOOK FOR ITA ball rolls further on tile than on carpet because tile gives lessfriction.Nothing stops by itself. Something always stops it — usuallyfriction.Forces and Motionwww.littleactivity.com

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Science · 3rd Grade

Forces and Motion

What a force does, and the one that stops everything eventually.

How to use it

Roll a ball on carpet and on tile. The difference is friction.

Free · print-ready PDF · US Letter and A4

Grade
3rd Grade
Ages
8–9
Subject
Science
Pages
1

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