Micro-organism is the living things around us that are too . . . to see using only our eyes.

The things that we use to see the micro-organism is . . . .

The examples of micro-organism are . . . .

The basic part of fungi is . . . .

The body part of insect is . . . .

The following are sources of light, except . . . .

Light travels in . . . line from its source in all directions.

When the path in which light is traveling is . . . , a shadow is formed.

The shadow is similar to the shape of your body. If you move your body, the shadow . . . .

The material allows light to pass through it easily. It is the meaning of . . . material.

There are . . . colour of light.

The word that will help you to remember the order of the colour is . . . .

Sound is a form of energy we can . . . .

Most of the sounds we hear are caused by a . . . object.

The vibrations travelled through . . . into your ears.

The musical instrument in the picture can produce sound by . . . .

Animals produce sound for their . . . .

Sound can travel through the wood. This is an example of sound travel through. . . .

The pupils can hear their teacher talking to them. This is an example of sound travel through . . . .