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Showing results 141 to 160 of 251

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In this activity, learners make self-assembled polymer spheres.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.

1 cent - $1 per group Ages 8 - 14 1 to 7 days
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In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners use sets of cards to assign microorganisms to different groups.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity related to plant biotechnology, learners extract DNA from fruit to investigate how it looks and feels.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
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In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.

$1 - $5 per group Ages 6 - 14 Under 5 minutes
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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Learners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore engineering package designs that meet the needs of safely shipping a product.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.

1 cent - $1 per group Ages 4 - 14 4 to 24 hours
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In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

Over $20 per group Ages 14 - 18 10 to 30 minutes
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In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

$1 - $5 per group Ages 11 - 18 1 to 7 days
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In this math lesson, learners explore the relationship between the thickness of a spaghetti bridge, the length of the bridge, and the amount of weight that can be supported by the bridge.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners make edible T. rex teeth (with adult assistance). The treat is a white and dark chocolate covered banana on a stick.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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In this "Sid the Science Kid" activity from Episode 109: The Perfect Pancake, learners make applesauce to explore irreversible change.

$5 - $10 per group Ages 4 - 6 10 to 30 minutes
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In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this math lesson, learners model exponential decay and exponential growth using M&M's, paper folding, and African rhino population data.

$1 - $5 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners explore dinosaur fossils by making an edible treat. First, learners read "Dinosaur Bones" by Aliki to examine how fossils are formed.

$10 - $20 per group Ages 6 - 8 45 to 60 minutes