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In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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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.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity (page 87 of the PDF), learners move their bodies to better understand the three axes of rotation: pitch, roll and yaw.

free Ages 8 - 18 45 to 60 minutes
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In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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In this outdoor activity (on page 2 of the PDF under GPS: Baseball Activity), learners will investigate the transfer of energy using sports equipment.

free Ages 8 - 14 30 to 45 minutes
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In this activity, learners will observe how air interacts with a paper helicopter. Learners will test different variables of weight, size, and shape.

1 cent - $1 per student Ages 4 - 14 Under 5 minutes
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You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity about gravity (page eight of the pdf), learners will very simply explore how gravity affects objects using balls and toys.

free Ages 4 - 8 10 to 30 minutes
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In this activity, learners explore water pressure by conducting an experiment with a garden hose. Learners build a testing apparatus and create PVC nozzles with different sized holes.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this kinesthetic activity, learners will play a game with a ball to demonstrate the Coriolis force, which partly explains why hurricanes in the Northern Hemisphere rotate counterclockwise.

free Ages 8 - 14 10 to 30 minutes
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In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

free Ages 8 - 14 10 to 30 minutes
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In this optics activity, learners split white light into all its component colors using three household items: a compact disc, dishwashing liquid, and a hose (outside).

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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This is a hands-on activity about the physics of tennis. Learners will discover that physics plays a big part in tennis, no matter what their skill level might be.

$10 - $20 per student Ages 8 - 14 30 to 45 minutes
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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

1 cent - $1 per student Ages 6 - 14 45 to 60 minutes
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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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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

$1 - $5 per student Ages 4 - 11 1 to 2 hours
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In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.

$5 - $10 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

$1 - $5 per student Ages 6 - 11 1 to 2 hours