This Guide Includes:

Make a Möbius strip

A surprise twist brings a Möbius strip mystery to an end. So simple in structure yet so perplexing a puzzle, the Möbius strip's twisted loop grants some unexpected turns. Learn about what a Möbius strip is by constructing them from paper and tape, then use these deceptively simple structures to challenge intuitive judgments about their construction ratio limits.

A sweaty plant adaptation

Sweating has a surprising purpose for one desert plant. Students will learn about a chemical adaptation that allows the plant to collect moisture in an arid environment. They’ll answer questions about using videos to collect data and then draw molecular diagrams that illustrate the plant’s adaptation.