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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.

In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.

In this activity, learners explore how wind energy can be generated on both a large and small scale.

In this activity, learners explore how musical instruments are engineered.

In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

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 work in teams build and launch rubberband-powered foam rockets.

In this activity, learners explore how watermills have helped harness energy from water through the ages.

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

In this activity, learners explore the concept of density-driven currents (thermohaline circulation) and how these currents are affected by climate change.

In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.

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

In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.

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.

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

In this activity, learners explore how engineering has developed various means to remove impurities from water.

In this activity, learners explore how rescue devices are designed to aid professionals during emergency situations.

In this activity, learners explore chemical engineering and how the processes of chemical plating and electroplating have impacted many industries.

In this activity, learners explore the concept of force and how pulleys are used in everyday life to make work easier.