You are walking one afternoon to go to your aunt’s house. You are aware that exposure to sunlight can lead to certain diseases. What material can you use in order to block the sunlight that damages your skin?

Sort these objects and there activity in light.

Match the following materials to their activity with light

Arrange how light travels 

It is the material that permits to transmit a little light because most of it is spreading in the opposite side and some are being absorb.

videoq:JJmVXARWLIY:2:40//It is the material that allows light to pass through?

Tell the best group of these materials