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Showing results 81 to 100 of 106

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In this activity (on pages 30-36), learners simulate a dig for ancient pollen, to experience how paleobotanists study fossilized pollen in rocks to learn about early geological and climatological even

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity related to microbes, learners make slides of cells from an onion skin and Elodea (American or Canadian waterweed) to observe under a microscope.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.

free Ages 6 - 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 chemistry challenge, learners work to figure out which of four juices are real, and which is just food coloring and sugar.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners conduct a scientific investigation involving decomposition and discover that the life cycle of trash is affected by its organic or inorganic nature.

free Ages 6 - 14 1 to 12 months
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This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this set of outdoor games, learners increase their awareness of the outdoor environment by going on a scavenger hunt and an out-of-place hunt.

$5 - $10 per group Ages 4 - 11 1 to 2 hours
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In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
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This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.

$1 - $5 per group Ages 8 - 14 4 to 24 hours
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Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

$10 - $20 per group Ages 8 - adult 1 to 12 months