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In this activity, some learners pretend to be wolves, while the other learners pretend to be the prey of the wolf. The goal of the simulation is to have the wolves work together to survive.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners conduct the "Stroop Effect" test and explore what happens when they try to complete two simple tasks at the same time.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners create a three-dimensional sculpture while examining the characteristics of fish.

$5 - $10 per group Ages 4 - 8 30 to 45 minutes
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In this activity, learners bake cookies by following different recipes to better understand genetic mutations. Everyone in the group bakes the same type of cookie: chocolate chip.

$10 - $20 per group Ages 14 - 18 1 to 2 hours
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In this activity (on pages 19-21 of the PDF) learners observe mold growing on potatoes. Preparation for this activity has to start a week before, to allow time for the mold to grow on the potatoes.

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners examine antibodies and antibody recognition using a model.

Over $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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In this activity, learners build one or more edible coral polyps and place them together to form a colony.

$10 - $20 per group Ages 8 - 11 30 to 45 minutes
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In this outdoor activity and fun race, learners first find the most common type of tree in a forest site.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners construct a device that allows them to look over ledges or around corners.

$5 - $10 per student Ages 6 - 11 45 to 60 minutes
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Learners design different shaped bandages for different purposes. First, they draw their designs on paper.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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In this activity, learners play a series of simple games to investigate navigation without visual and sound cues.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this craft activity, learners will explore the structure and purpose of antelope horns by constructing their own headband using toilet paper rolls and yarn.

free Ages 4 - 8 30 to 45 minutes
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.

$10 - $20 per student Ages 6 - 11 30 to 45 minutes
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Learners build models to learn about the special cells and structures that plants use to move water from their roots up through the stems and leaves.

$5 - $10 per group Ages 8 - 11 1 to 7 days
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In this activity, learners explore the concept of how engineering has made possible the development of--and ongoing improvements to--adaptive devices that serve to help individuals with a wide range o

$1 - $5 per group Ages 8 - 18 1 to 2 hours
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In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes