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In this environmental activity (page 6 of the PDF), learners identify household products that are recyclable and explore the different types of recyclable plastics.

free Ages 8 - 14 30 to 45 minutes
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In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes
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In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.

$1 - $5 per student Ages 6 - adult 30 to 45 minutes
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This activity is a sensory experience that recreates the sounds of a pond at night.

free Ages 6 - 11 30 to 45 minutes
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.

$5 - $10 per group Ages 8 - adult 30 to 45 minutes
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Learners make their own paper. They start by shredding old newspaper, clean toilet paper, and clean paper towels.

$1 - $5 per student Ages 8 - 11 30 to 45 minutes
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In this activity, students will learn some key information about a San Francisco native animal and then write a firsthand account of their experience from the perspective of that animal in the time be

free Ages 8 - 11 30 to 45 minutes
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This activity attempts to clear up the common misconception that deserts are always hot, totally dry, and uninhabitable.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes
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Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 minutes
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In this activity, learners examine ways that Native Americans of the Southwest express their relationship with nature through art.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this hands-on activity, learners will become familiar with the special adaptations of rainforest plants and discover the conditions needed for tropical trees to survive along with what can impinge

$1 - $5 per group Ages 8 - 11 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 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 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 outdoor activity, learners discover that plants aren't just shoots (stem, branches, leaves, and flowers) growing above ground, but contain plenty of roots growing underground—more than half th

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
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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
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

$1 - $5 per group Ages 6 - 18 30 to 45 minutes