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In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises.

In this physics activity, learners construct a small-scale version of a classic carnival game.

In this activity, learners explore the history of making objects from glass and artistry of Dale Chihuly.

In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise.

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