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In this activity, learners play a game from India similar to Tic-Tac-Toe. Players take turns placing coins on the game board and sliding the coins along the spaces.

free Ages 6 - 11 5 to 10 minutes
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In this activity, learners explore patterns and sequences as they observe fictional plant growth.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this math activity, learners build Peppy the dog the best trail and park for running around.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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In this activity (page 1 of the PDF under SciGirls Activity: Dinosaurs), learners will model how paleontologists estimate the age of fossil discoveries by extracting “fossil” playing cards from newspa

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this math activity, learners pretend there is a special store that lets you pay for toys by their height in pennies.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes
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This is an activity about reaction times. Just how quickly must an NHL goalie respond to save a shot, and how does your reaction time compare?

1 cent - $1 per group Ages 14 - adult 10 to 30 minutes
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In this activity, learners use what they know about probability to figure out what is in a mystery bag. Learners analyze data to guess how many of each color crayons are in the bag.

free Ages 8 - 11 10 to 30 minutes
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In this activity (on page 2), one person "programs" the other like a robot to move through a space, trying to get them to avoid obstacles and reach a goal.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies.

1 cent - $1 per group Ages 8 - adult 45 to 60 minutes
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In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this activity (Lesson 1), learners work in groups to create tide simulations.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the structural strength of triangles by creating their own free-standing geodesic dome out of plastic straws.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners will build a bee hotel for pollinators. Learners will explore building and ecology through this activity.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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This activity (on pages 21-32 of PDF) has learners act out several classic brain teasers.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

free Ages 14 - 18 1 to 2 hours
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In this outdoor activity/field trip, learners explore the concept of population density.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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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