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In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.

In this activity, learners eat a snack and make a model of the plumbing system of a volcano.

In this activity, learners use three types of cheesy snacks--cheese balls, cheese puffs, and Cheetos--to learn about polymers.

In this activity, learners build edible models of DNA, while learning basic DNA structure and the rules of base pairing.

In this activity, learners use edible models of the DNA molecule to transcribe an mRNA sequence, and then translate it into a protein.

In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

In this activity, learners make balloon models of disease-causing bacteria.

In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh

This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.