How many types of materials when light shines on them ?

........................ is a dark shape that is made when some light is blocked.

_____________ means light can pass through something.

___________ means some light can pass through a material .

________means no light can pass through a material .

This material is:

This material is:

This material is:

This material is:

A shadow can be formed in a room with light.

The materials used to make a pencil are______

Look at the picture. What kind of material is it?

What type of material is shown in this photo?

What type of material is shown in this photo?

What type of material is shown in this photo?

Shadow change when the light moves up and down .