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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.

Learners design their own experiment to investigate how pollution diffuses through ground material.

In this activity, learners build one or more edible coral polyps and place them together to form a colony.

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

This game uses a modified Uno deck to review concepts related to stem cell research and diabetes.

In this activity, learners take on the role of a carbon atom and record which reservoirs in the carbon cycle they visit.

This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d