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In this activity, learners build inexpensive pulley assemblies from pulley wheels used for sliding screen door replacement or from clothesline spreaders.

This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.

In this activity, learners construct their own small catapults using simple materials. Learners follow visual instructions to build their launching device.

In this activity, learners discover how NASA engineers develop experimental aircraft.

In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

In this activity, learners work in NASA teams to build balloon-powered rockets using identical parts and compete to launch the greatest number of paper clips to "space" (the ceiling).

Learners work with plastic sheeting, masking tape, and string to design the perfect material for plastic chair webbing, and then construct their webbing.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.

In this activity, learners construct a simple air pressure launcher for paper rockets.

In this activity, learners explore how engineers design tire treads to increase safety and reliability.

In this activity, learners work in teams build and launch rubberband-powered foam rockets.

This is an activity (located on page 3 of the PDF under Butterfly Wings Activity) about how visible light is affected by tiny nanoscale structures, producing iridescence on butterfly wings, soap bubbl

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

This lesson focuses on graphene and its electrical properties and applications.

In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.

In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.