Crash Course Kids: Who Needs Dirt - Episode 27.1
Crash Course Kids

So… do plants need dirt? The truth might shock you.

Crash Course Kids: Vegetation Transformation - Episode 5.2
Crash Course Kids

In this episode, Sabrina talks about how photosynthesis works!

But Why?: Why Do Leaves Change Color In The Fall?
But Why?

Leaves turn from green to yellow and orange in the fall. The color has been their all along, but was masked by cholorphyll.