Revision

Identify the simple machine above.

• Wedge

• Pulley

• Inclined plane

The ability to do work is called _______.

• Force

• Ability

• Energy

This simple machine is an example of____.

• Pulley

• Wheel & axle

• Wedge

What simple machine is used in this picture?

• Wheel & axle

• Screw

• Inclined plane

A moving energy is called ___________.

• Kinetic

• Potential

• Running

What is the screw used for?

• To open a drink

• To fasten a chair

• To sew a cloth

What energy does this instrument produce?

• Light

• Heat

• Sound

What energy does this produce?

• Sound

• Chemical

• Heat

What simple machine is this?

• Inclined plane

• Screw

• Wheel & axle

The sun produces what energy?

• Mechanical

• Electrical

• Solar