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Students design and build their own parachutes in this hands-on engineering project.

In this hands-on activity, children create their own kites that can fly indoors. Learners are exposed to basic concepts of gravity and air resistance.

In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.

In this design challenge activity, learners build a four-stringed instrument that can play a tune.

In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.

In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room.

In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.

In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

In this activity, young learners use different-sized paper 'caterpillars' and various household items to predict and measure their height.

In this twist on a classic design challenge, learners will try to stop a bouncy ball from bouncing as they explore how to control the fall of an object.

In this design challenge activity, learners build a car that can travel at least four feet using rubber band power and use the design process to debug problems.

In this environmental health activity, learners investigate their own vital lung capacities.

This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers.

In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.

In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

Use multiplication to help the aliens find out how much fuel they need to get their spacecrafts home.

In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,