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How Can Gravity Make Something Go Up?
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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.

Pollution Patrol
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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

Stomp Rocket
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In this activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.

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

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

Handheld Water Bottle Rocket & Launcher
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In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.
Up, Up and Away with Bottles
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In this activity, learners make water rockets to explore Newton's Third Law of Motion. Learners make the rockets out of plastic bottles and use a bicycle pump to pump them with air.

Make Your Own Barometer
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In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer.

Kites
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In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

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

Gravity Fountains
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.

Make Your Own Weather Station
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This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.

Water Rocket Launch
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In this activity, learners explore rocketry and the principals of space flight.