Plants use energy from sunlight to make their food.

Some animals can see light that human's can't. For example some insects can see UV light.

What animal can usually see very well in the dark.

What animals can emit (produce) lights?

The human eyes need light to see

It takes how many minutes for light from the sun to reach the earth?

Forensic scientist use what type of light to show up things the human eye can't see?

A solar panel can turn light from the sun into electricity.

Sunlight can reach down so a depth of about how many metres in the ocean