concept 3,1

By rubbing hands …………………….energy is changed into thermal energy

• Chemical

• Kinetic

• Sound

• Potential

Chemical energy is the energy that stored in food and

battery

• True

• False

What wil happen ?.

On shaking a hand bell

The unusable energy that produced from the electric

lamp is ……………………………..

What happens to ...?

The change of energy when you turn on the television

Complete the following

Energy si not destroy, nor create from nothing, this indicates

• the consumer of energy resources.

• conservation and transformation of energy.

• destroying the energy resources.

• c. resources of energy are numerous

3. The produced energy from radio that reflects its main function is

• Electric energy

• Sound energy

3. The energy can be …………. from one form to another.

Moon is the main source of energy on the Earth.

Correct the underlined word