GRADE 6 # 7

It is a machine consisting of a beam or rigid rod pivoted at fixed hinge or fulcrum.

• Lever

• Pulley

• Wedge

• Screw

This is a plane surface set at an acute angle to a horizontal surface.

• lever

• wedge

• inclined plane

• wheel and axle

This moves a load through a long distance but requires a short effort distance.

• Class 1 levers

• Class 2 levers

• force multipliers

• distance multipliers

These are tools that help you amplify your effort to produce more output.

• Class 1 levers

• Class 2 levers

• force multipliers

• distance multipliers

Which simple machine consists of sloping surface that reduces the amount of force needed to lift something?

• Lever

• Pulley

• Wheel and Axle

• Inclined Plane

Which inclined plane is used for joining two different levels, as at the entrance or between floors of a building?

• ramp

• roof

• slide

• stairs

This can be used to separate two objects or portions of an object, lift an object or hold an object in place.

• lever

• wedge

• inclined plane

• wheel and axle

The Grade 6 pupils will cut their woods in making their dustpan holder. Which one should they use?

• lever

• wedge

• inclined plane

• wheel and axle

Plucking the guitar would transform mechanical energy into _____________.

• Electrical

• Heat

• Light

• Sound

Electrical energy is converted into _______________ when we turn on the electric fan.

• Heat

• Light

• Mechanical

• Sound