Simple Machines Revision Sheet

What is the description of an inclined plane?

• An inclined plane is a flat surface that is tilted at an angle to the horizontal. It is used to help raise or lower objects by reducing the amount of force needed to lift them.

• An inclined plane is a vertical surface used to separate two areas.

• An inclined plane is a curved surface used to roll objects.

• An inclined plane is a flat surface that is parallel to the ground.

Which simple machine is described as 'two inclined planes joined back to back'?

What is an example of a lever?

• Seesaw

• Bicycle

• Car

• Computer

Which simple machine is described as 'a grooved wheel with a rope around it'?

What is the function of a pulley?

• To lift heavy loads easily

• To measure temperature

• To store electrical energy

• To conduct electricity

Which class of lever has the fulcrum between the effort and the load?

• First class lever

• Second class lever

• Third class lever

List two examples of an Inclined Plane.

• Ramp and slide

• Lever and pulley

• Wheel and axle

• Screw and wedge

List two examples of a Wedge.

• Knife and Axe

• Screw and Wheel

• Lever and Pulley

• Inclined Plane and Screw

Two examples of a Screw are:

• Door knob

• See-saw

• flag pole

• Jar lid and light bulb

List two examples of a Lever.

• Scissors and seesaw

• Bicycle and car

• Spoon and fork

• Table and chair