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

In this activity (located on pages 23-24 of the PDF), learners are introduced to structural engineering and encouraged to practice goal-oriented building.

Build and test a scale model of a rainforest canopy walkway.

In "Exploring the Solar System: Stomp Rockets," participants learn about how some rockets carry science tools—not scientists—into space, and how a special kind of rocket called "sounding rockets" can

In this activity, learners are invited to imagine the park of their dreams!

In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).

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

In this activity, learners will use household items to design and build an elevator that will carry 2 passengers to a height of 16 inches...or higher!

In this activity, learners explore different ways to stack cups to meet a personal goal.

In this activity, learners explore the design of tall structures such as skyscrapers and telecommunication towers.

Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.

In this activity, learners explore rocketry and the principals of space flight.

In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings.

Play with your food while learning about engineering! Build a spaghetti bridge, then test its strength by piling on the marshmallows, raw spaghetti, raw linguine and coins.

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

In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.

In this activity, learners explore how engineers have developed big wheels or Ferris wheels.