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Showing results 41 to 60 of 72

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In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips).

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity (page 7 of PDF), learners will identify the general two-dimensional geometric shape of the uppermost cross section of an impact crater.

$10 - $20 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the properties of metals at four stations. The stations include A) Magnetism and Breakfast Cereal; B) Conductivity of Metals; C) Alloys; and D) Metal Plating.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this math lesson, learners identify and compare unit costs of given items. Learners use computation skills, problem solving and number sense to find the cost of an ounce of cereal.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called 'Clippy Island.' L

$10 - $20 per group Ages 11 - adult 45 to 60 minutes
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In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity (page 37 of the PDF), learners observe, on a prepared slide, muscle and spinal cord cells from a rat.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners perform an experiment to find out what determines a flower's color.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this outdoor activity and game, learners roundup a "herd" of hopping insects and find out how many different kinds or species are in their herd.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners explore dinosaur fossils by making an edible treat. First, learners read "Dinosaur Bones" by Aliki to examine how fossils are formed.

$10 - $20 per group Ages 6 - 8 45 to 60 minutes
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In this activity, learners make plaster casts of an animal track to learn more about animals and animal behavior.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this math lesson, learners apply mathematical modeling to solve a real-world storage problem, in which a manufacturing company is given two options for storing oil barrels.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes