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Students design and create their own air-powered rockets, in this hands-on activity.

In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.

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 shock-absorbing system that will protect two “astronauts” when they land.

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.