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

In this activity, learners explore the devices used over time to measure changes in temperature.

In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

In this activity, learners investigate convection by using food coloring and water of different temperatures.

In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.