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In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the results.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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This activity encourages learners to focus on the natural environment of the Eastern Woodlands before the arrival of European settlers.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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This guide outlines how to plant a garden even if you don't have a yard!

$5 - $10 per student Ages 8 - adult 1 to 4 weeks
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This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners will examine various world data maps to combine the information and predict which areas could be tropical rainforests.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners will build a design and build a place for pollinators to drink from.

$1 - $5 per student Ages 4 - adult 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 about dinosaurs and survival, learners use scrap materials to create a miniature dinosaur habitat that includes a food source, water source, and shelter.

$1 - $5 per group Ages 4 - 6 10 to 30 minutes
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In this outdoor activity, learners investigate spider webs and feeding behavior, particularly how spiders trap food in their sticky silk webs while not getting stuck themselves.

$5 - $10 per group Ages 6 - 18 45 to 60 minutes
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In this activity, learners play bingo to learn about the diversity of birds. This game includes a warm-up lesson and "Full Flight" version.

free Ages 6 - 11 10 to 30 minutes
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This activity (on page 3 of the PDF) has learners create models of butterfly wings.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

$1 - $5 per group Ages 14 - 18 45 to 60 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 on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.

$1 - $5 per group Ages 8 - 14 1 to 12 months
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In this activity (on the left side of page 5, continued on the right side of page 4 of the PDF), learners make models of colorful butterflies.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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Many people get water from a source deep underground, called groundwater.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this matching game, learners study the limits of life on Earth to see what other places in the solar system might sustain microbial life.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon dioxide.

$1 - $5 per group Ages 8 - 14 1 to 2 hours