Popcorn Heat Changes
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Popcorn Heat Changes
Before and after
Think about how the popcorn changes when it gets hot.
- Hard
- Small
- Fluffy
- Soft
- Heat
- A cold breeze
- Moonlight
What does heat do?
Heat can make materials change. A popcorn kernel has a little water inside it. When heated, the water becomes steam. Pressure builds inside the kernel until it pops open. The popped popcorn is bigger and fluffy. It cannot turn back into the same hard kernel.
- Bigger
- Smaller
Spot the change
Use your drawing of the kernel and popped popcorn from the earlier drawing activity to think about what changed.
- Fluffy
- Hard
- Smooth
- Butter
- Stone
3 printable pages
Page 1
Page 2
Page 3
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