We wonder: “Why do leaves change colors?”

“I know! They fall down to hibernate for the winter!”

“They change color so they can fall off!”

“Temperature. The snow is too cold for them.”

“Older trees don’t change color, young trees do.”

We ask: “Are you sure? Is it definitely true that older trees don’t change color? How do you know that?”

Some of us say there are trees that stay green forever. They are called evergreen. There’s a clue right in the name. So far we think you can tell them from the trees that change colors because they are darker green and they have a different shape.

These two videos tell the science about why leaves change colors:
Click here for the first video! 

We also watched this video and thought about how the roots of trees hold hands under the ground to make them very strong. 

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