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This demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and temperature inside

In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

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

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 quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.

In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy.

In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

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