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In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.

In this online Flash game, learners take to the skies in a hot air balloon and are challenged to beat other balloonists' times to the finish line without crashing.

In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

In this activity, learners will make a model rocket to test the phrase "what goes up must come down." Learners will power their rockets with air pressure, and soon discover the effects of air resistan

In this activity, learners work with an adult to build a rocket and launcher out of a plastic 2-liter bottle, flexible plastic hose, plastic tubing, toilet paper tube, and duct tape.

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

In this activity, learners will engineer three different parachutes to test how well each one works.

In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

In this activity, learners turn empty 2-liter bottles into a see-through compost container.

In this activity, learners build a sled kite that models a type of airfoil called a parawing.

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

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.