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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 thread gumdrops together to make a model of a polymer.

In this activity (located on pages 23-24 of the PDF), learners are introduced to structural engineering and encouraged to practice goal-oriented building.

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

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings.

In this activity, learners model hot spot island formation, orientation and progression with condiments.

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

In this activity, learners use colored candy to represent subatomic particles and make a model of an atom (Bohr model).

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 marshmallows and gum drops to construct seven models of molecules. Learners classify (solid, liquid or gas) and draw diagrams of the molecules.

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.

In this activity, learners separate the components of Gatorade using a home-made affinity column.

This is a classic exercise for visualizing the scale of the Solar System.

In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

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

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.

In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.