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Make a Balloon-powered Nanorover
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In this activity, learners build a nanorover model using styrofoam meat trays and a balloon.
Convection Demonstration
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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.
Foam Rocket
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.