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

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.

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 activity, learners make plates levitate! Learners build "hovercrafts" using simple materials to explore friction and motion.

En esta actividad sobre la exploración e investigación, los aprendices harán ventanas de burbujas.

In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.