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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.

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 engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

In this activity, learners mix milk, vinegar, baking soda, and water to create sticky glue. Use this activity to explain how engineers develop and evaluate new materials and products.

In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.

This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load.

Learners develop an understanding of air pressure in two different activities.

In this activity, learners use Jell-O to explore lenses. Learners cut Jell-O into convex and concave lens shapes and examine how light exits each lens in a darkened room.

In this fun hands-on activity, learners use simple materials to investigate evaporation. How can the evaporation of water on a hot day be used to cool an object? Find out the experimental way!

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

This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.