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Launch Altitude Tracker
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In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.

Not Just A Bag Of Beans
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In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.

Airplane Wing Investigation
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This activity (located on page 3 of the PDF under GPS: Balloon Fiesta Activity) is a full inquiry investigation into Bernoulli’s principle and airplane wings.

Soccer Kicks
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This activity (on page 2 of the PDF under SciGirls Activity: Soccer Ball Kick) is a full inquiry investigation into transfer of motion.

Mold Growth
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In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.

Sand Castle Saturation
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In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.

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

How Do We Convert Mechanical Energy into Electrical Energy?
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In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.

Cooling Off
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In this activity, learners are introduced to challenges of maintaining temperatures while living in space.