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Dripping Wet or Dry as a Bone?
Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

It's Natural
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This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.

Symbol Search
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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.

Trash Traits
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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.

Paper Maker
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Learners make their own paper. They start by shredding old newspaper, clean toilet paper, and clean paper towels.

Build a Coral Polyp
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In this activity, learners build one or more edible coral polyps and place them together to form a colony.

Moving Without Wheels
In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

Shapes and Colors and Textures, Oh My!
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This is an activity about discovering the colors and beauty of nature. Learners will spend time outdoors, matching paint chip samples, colored paper, or colors of clothing to those found in nature.

Where the Buffalo Roam
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In this activity, learners explore the Great Plains.

Recycling Paper
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In this crafty chemistry activity (on page 2 of the PDF), learners make their own paper from used paper they may have otherwise thrown away.

Habitat Web
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In this activity, learners explore the web of connections among living and non-living things.

Shake a Shrub
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This is an activity where learners will discover what types and how many insects live in their own backyard.

Crazy Camouflage
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In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.