G6 Science M7 W1 (Quiz)

It is a form of energy stored in the leaves of plants

It is an energy that is stored in an object at rest.

Potential energy can be changed to kinetic energy, and kinetic energy

can be charged to potential energy.

• True

• False

Energy exists only in one form.

• True

• False

Which energy transformation occurs in an electric iron?

• heat to light

• light to heat

• electricity to heat

• heat to electricity

Which of the following shows that chemical energy is changed to mechanical energy?

• lighting of candle

• using sunlight to dry up clothes

• an athlete run after drinking water

• switching on of a flashlight

When two objects are rubbed together, electrons move from the surface of one object to the surface of another object.

• True

• False

The flow of the charge they carry is called ​ (a)   .

• electric current
• static electricity
• kinetic energy
• kinetic current

Give two Uses of Light Energy

Give two Uses of Sound Energy