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This game for one to four players uses a deck of cards to develop mental addition skills.

$1 - $5 per group Ages 11 - 14 10 to 30 minutes
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In this activity about human anatomy (page 20 of PDF), learners investigate the structure of muscles by comparing yarn and cooked meat.

$5 - $10 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners will experiment with textures, shapes, and materials and create their own unique masterpieces.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

$5 - $10 per group Ages 8 - 14 1 to 4 weeks
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In this math lesson, learners construct box-and-whisker plots to analyze and compare data sets. Learners investigate whether or not long-legged people run faster than short-legged people.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this math lesson, learners identify the likelihood of an event by using a walk-on probability scale.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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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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Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying.

$1 - $5 per group Ages 11 - adult 10 to 30 minutes
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.

$5 - $10 per group Ages 4 - 14 1 to 2 hours
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In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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In this activity, learners will learn about a person they admire (famous, family or otherwise) or even themselves and create a life-sized silhouette.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

$1 - $5 per student Ages 11 - 14 30 to 45 minutes
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In this math activity (Page 17 of the Play Ball! PDF), learners play a game of "baseball" and analyze the results of the game.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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Learners use their opponent's clues and a compass rose to find the hidden treasure on a map. Learners use problem solving and coordinate grid skills as they hunt for treasure.

1 cent - $1 per group Ages 8 - 11 5 to 10 minutes
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This activity (located on page 3 of the PDF under GPS: Farm Animals Activity) is a full inquiry investigation into raising livestock.

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