Summary
A cucumber becomes a pickle, and the class shrinks to find out how. They meet the microbes that are far too small to see but big enough to change food.
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Teaching resources
Discussion questions
Discussion
A cucumber becomes a pickle, and the class shrinks to find out how.
- Why can't we see microbes without help?
- How can something so small change a whole cucumber?
- Where else might microbes be working around us?
Quick work-a-long
Vocabulary: microbe, microscope, tiny.
Try it: Name two foods made with the help of microbes and what changed in each.