Friction Investigation Guided Notes

Year 3 ScienceForces and Magnets3 pages

About this worksheet

These guided notes run alongside a Year 3 friction lesson and test. Across three pages, pupils fill fourteen gaps and write three short notes in their own words. They start with what friction is, then compare smooth and rough surfaces. Next they plan a fair test, rolling a toy car down a ramp onto different surfaces and measuring the distance in centimetres. The last section asks what they found and where high friction helps, such as bike brakes and tyre tread. The answer key gives every missing word and a model for each note. It follows the England National Curriculum for forces and magnets.

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Curriculum objectives covered

Forces and magnets

โ€œCompare how things move on different surfacesโ€

The ramp test compares how far a toy car travels on each surface, and the second section explains why rough surfaces slow it more.

What's inside this worksheet

What is Friction?

Three gaps on force, rubbing and the opposite direction, then a note on what would happen with zero friction between shoes and the floor.

How Surfaces Change the Force

A picture of a smooth board next to a rough mat, then four gaps on how far and how fast an object travels on each.

Planning a Fair Test

Four gaps on the ramp, changing one thing, control variables and measuring distance, plus a note on why each roll is repeated three times.

What We Discovered and Why It Matters

Gaps on the shortest roll, bicycle brakes and tyre tread, then one more everyday case where high friction helps.

How teachers use it

During the practical

Keep the notes on the tables while groups roll the car. Fill Planning a Fair Test before the first roll and the last section after.

Tyre tread gap

The key accepts grip or friction for the tyre tread gap. Grip makes the sentence read oddly, so steer pupils towards friction.

Feel the surfaces

Pass round sandpaper, a towel and a smooth tile before the second section, so pupils feel rough and smooth for themselves.

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