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Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio.

$5 - $10 per group Ages 11 - 14 1 to 2 hours
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This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

$5 - $10 per student Ages 11 - 18 10 to 30 minutes
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In this outdoor activity, learners find the swollen bumps known as "galls" on various plants and get a closeup look at the parasitic animals living inside.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners use beads, which represent amino acids, to create protein bracelets. Learners examine the relationship between amino acids and proteins.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes
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In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity on page 7 of the PDF (Get Cooking With Chemistry), learners conduct an experiment to get an idea of how cheese is made.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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This fun and simple hands-on astronomy activity describes techniques scientists use to find planets orbiting other stars.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this hands-on activity, learners discover the similarities and differences between a vertebrate and invertebrate by dissecting a perch and a crawfish.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners use geometry in observing the shapes and angles soap bubbles create when they join together.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners use gelatin as a lens to investigate the properties of laser light.

$5 - $10 per student Ages 8 - 18 5 to 10 minutes
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Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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This chocolate chip cookie recipe includes templates for baking night sky constellations of the season right on top! Two templates are included, one for 9pm mid-April, and one for 10pm mid-July.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners explore the engineering and principles behind working elevators.

$5 - $10 per group Ages 11 - 18 2 to 4 hours
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This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes