I was able to lead my students through the steps of the design process. One of the most powerful lessons they learned was that no idea should be discarded because it seemed silly or impossible.

- 5th grade teacher, Longmont, CO

September 2025 Editor's Pick

Modeling and Testing Physical Properties of Slime

An exploration of an engineering brief from a mock toy company leads students to explore a new slime with a unique set of characteristics. Using simple directions, students create five different types of slime and classify their slime properties against the criteria ...

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Free K-12 standards-aligned STEM curriculum for educators everywhere.
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