Summary
A caterpillar eats almost nonstop before it transforms. Deep Look shows why all that eating fuels one of nature's biggest changes — from a crawling caterpillar to a butterfly — a real-life version of the classic picture book.
Viewer safety
All ages
Our rating is a quick teacher-to-teacher guide — preview before showing.
Teaching resources
Discussion questions
Talk about it
A caterpillar's only job is to eat and grow. All that stored food powers metamorphosis, when it forms a chrysalis and rebuilds into a butterfly.
- Why does a caterpillar eat so much?
- What big change does all that eating make possible?
- What are the stages between a caterpillar and a butterfly?
Quick work-a-long
Vocabulary: caterpillar, chrysalis, metamorphosis, life cycle.
Try it: Draw the butterfly life cycle in four boxes. Write why the eating stage matters for the change that follows.

