Summary
George is fascinated when hard little kernels turn into fluffy white popcorn. He explores what heat does to the kernels and gets into some very poppy trouble along the way.
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All ages
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Teaching resources
Discussion questions
Talk about it
Some changes from heating can be reversed and some can't. A popped kernel can never go back to being a hard little seed — heat changed it for good.
- What did the kernels look like before heat, and after? Which changes could you undo, and which couldn't?
- Why do you think the kernels had to get hot before they popped?
- Name another food that changes for good when it's cooked.
Quick work-a-long
Vocabulary: heat, kernel, change, reversible.
Try it: Draw a kernel before and after popping. Label which picture came after heat, and write whether you could turn it back.