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In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions.

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 make a model of the solid Earth's layers that's good enough to eat! Learners use tasty foodstuffs to simulate Earth's inner core, outer core, mantle, and crust.

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

In this yummy activity about soil (page 9 of PDF), learners will create layers of soil using food. They will learn about the composition and role of each layer.

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

This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops.