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Showing results 881 to 900 of 1170

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In this simple activity, learners create an electroscope by sticking two short pieces of magic tape together and then pulling them apart to find the sign of the charge on an unknown charged object.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners stain fabrics--on purpose!

Over $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.

1 cent - $1 per student Ages 6 - 18 1 to 7 days
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In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners build a simple "rocket" with ordinary household materials to demonstrate the basic principles behind rocketry and the principle of reaction.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.

$5 - $10 per group Ages 8 - 11 1 to 4 weeks
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In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners create their own weather forecast map.

free Ages 8 - 14 30 to 45 minutes
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In this activity, learners build an instrument for catching and observing flies. Learners act as entomologists, attract flies into a jar using a slice of apple, and then observe the flies' behavior.

$1 - $5 per group Ages 4 - 18 1 to 4 weeks
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In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers and tools.

Over $20 per student Ages 8 - 18 1 to 7 days
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Learners use a transparent plastic glove as a container to grow seeds. A different kind of seed can be planted in each finger.

$1 - $5 per student Ages 6 - 14 1 to 4 weeks
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Make a camouflage cut-out animal! Using patterned paper or magazine pictures from around the house, use your craft skills to make a paper animal that blends into its background.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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In this data analysis and environmental science activity, learners evaluate the feasibility of wave energy as a practical alternative energy source using ocean observing system (OOS) buoys.

free Ages 14 - adult 1 to 2 hours
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In this activity (pages 5-7), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes
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Build time sense into the schedule by asking learners to predict what can happen in a certain amount of time: We have 20 minutes before outdoor time. What can you get done?

free Ages 6 - 14 10 to 30 minutes