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This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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This activity (located on page 3 of the PDF under GPS: Garbology Activity) is a full inquiry investigation into design optimization using recycled materials.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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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.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.

Over $20 per group Ages 8 - 14 1 to 2 hours
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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.

$5 - $10 per student Ages 8 - 14 1 to 2 hours
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This activity (located on page 3 of the PDF) is a full inquiry investigation into mapping the underground “plumbing” of geysers.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation about the different causes of glacial melt.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Music and Sound) is a full inquiry investigation into sound frequency.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity (located on page 2 of the PDF under GPS: Temperate Rain Forest Activity), learners will identify a group of deciduous trees to study.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this full inquiry activity (located on page 3 of the PDF under GPS: Kinetic Sculpture Challenge Activity), groups of learners will make predictions about which feature of a pendulum (mass, length,

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Hockey) is a full inquiry investigation into how a hockey stick’s flex affects shooting power and accuracy.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity, (on page 6 of the PDF under SciGirls Activity: Dinosaurs) learners participate in a hands-on fossil excavation.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners compare ways to measure their heart rates. Learners build their own stethoscopes and learn how exercise affects heart rate.

$5 - $10 per group Ages 8 - 14 1 to 2 hours