Mechanisms: Levers, Pulleys and Gears Knowledge Check

Year 5 ScienceForces5 pages

About this worksheet

A five-page Year 5 knowledge check on levers, pulleys and gears, with answers. It starts with a sentence on smaller forces having a greater effect and four items to match, from a flagpole to a crowbar. Pupils label a lever diagram and decide where Amira should place the pivot. They explain a single fixed pulley and a crane's block and tackle. For gears, a 12-tooth and a 24-tooth wheel lead to questions on direction and turns. The last question is about Marcus cycling uphill in a low gear. It follows the England National Curriculum.

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Curriculum objectives covered

Forces

โ€œRecognise that some mechanisms, including levers, pulleys and gears, allow a smaller force to have a greater effect.โ€

Every section ties back to this. Questions 4, 5, 7 and 11 ask pupils to explain how a smaller force has a greater effect.

What's inside this worksheet

Section 1: The Big Idea

A gap sentence using smaller, greater and direction, then a match for a flagpole, a crowbar, a bicycle chain drive and a window blinds cord.

Section 2: Levers

Pupils label load, pivot and effort on a plank diagram, then choose where the pivot goes to lift a stone slab and explain why.

Section 3: Pulleys

A builder raises cement with a single pulley. Pupils pick its advantage and explain how more pulleys help a crane.

Section 4: Gears

Gear X has 12 teeth and Gear Y has 24. Pupils give Gear Y's direction, the number of turns of Gear X and what happens to force and speed.

Section 5: Real-World Investigation

Pupils explain how a low gear helps Marcus up a steep hill, using the words force and pedals.

How teachers use it

Ruler lever

Balance a ruler on a pencil and lift a pile of coins with one finger. Move the pencil and feel the difference before question 4.

Paper plate gears

Cut notches into two paper plates as teeth so pupils can count turns before they answer question 9.

Bike in the hall

If a pupil can bring in a geared bike, turn it upside down and change gears while the class watches the back wheel.

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