What is Happening to Hairy Harry?

When we made our Hairy Harry heads we created some of them differently. Some had no soil, others no water and another one had no light. Now it is time to go and see how they are going.
Do you think that the seeds can grow if they are missing either water, soil or light?

Let's see how they are going!

This Hairy Harry has no soil.

This Hairy Harry has no water.

This Hairy Harry has no light.

This Hairy Harry has soil, water and light.

What can you tell about the importance of water, soil and light to the growth of a plant?

Why does Hairy Harry have yellow hair when he doesn't get any light?