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In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns.

In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together.

In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

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

Learners examine the manufacturing process while they make picture frames from cereal boxes.

In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

In this activity, early learners combine pre-cut recognizable shapes and their own abstract ideas to make representational pictures (e.g. houses, trees, shoes).

Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.

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

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

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.

This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.

This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.

In this activity, learners explore accuracy and precision.

This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.

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

In this activity learners will build structures out of blocks and then roll balls to try to knock them down.

In this activity learners will build a neighborhood out of blocks and cardboard.