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Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.

In this activity, learners explore the engineering and principles behind working elevators.

This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics.

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

In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this activity learners will build roller coasters and test them using small balls or marbles.

Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing.

Learners engage in close observation of falling objects. They determine it is the amount of air resistance, not the weight of an object, which determines how quickly an object falls.

In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.

In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy.