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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 model hot spot island formation, orientation and progression with condiments.

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.

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

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.