The things which gives us heat are known as sources of ....

See the picture.

The burning ________gives us heat.

See the picture.

The burning ____________ gives us heat

An ______________ runs with the help of electricity.

Most _________ sources produce heat.

______ comes from the sun.

This is the source of heat.

This is not a source of heat.

See the picture.

A __________ gives us heat.

Light is a form of energy.

Which of these is a source of light?

One of these is not a source of light

Some of these items do not produce light

Identify the natural sources of light

Which one is a man made source of light

This insect is a natural source of light. Can you tell what insect it is?

Some mushrooms produce light.

All these living things produce light EXCEPT __________

Which one of these is the most important source of light on earth?

We hear sounds when they enter our ...

he just make sound by . . .

Activities or devices that produce sound is called . . . .

Sounds can be . . . or . . .

an Ambulance make a . . . . sound.

a baby sleep makes . . . . sound.

Human and animal use sounds to communicate each other

loud sounds we can called . . .

Alarm warn us of . . . .

A tiger makes . . . . . . sounds

Energy makes things__________________.

A computer works because it uses ____________.

A ______________ moves because it uses energy

Electricity is a _________________ of energy.

The Sun is a ________________ of heat.

What forms of energy does the Sun give us?