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Showing results 741 to 760 of 911

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In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this chemistry activity, learners use common chemicals to examine reactions that occur between two aqueous solutions.

$1 - $5 per student Ages 11 - 18 5 to 10 minutes
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In this math lesson, learners determine and compare the rate of descent of various learner-constructed parachutes. Learners construct parachutes that will have maximum hang times.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this geology activity (page 6 of the PDF), learners explore how carbonic acid can slowly dissolve limestone and form caves.

$1 - $5 per group Ages 11 - 14 10 to 30 minutes
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Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners build a special rolling can that returns back to you when you push it forward. Use this activity to demonstrate the transfer of energy between kinetic and potential energy.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.

$1 - $5 per group Ages 6 - adult 1 to 2 hours
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Make your own mummy! Using a combination of salts, transform an apple into a mummy and discover how the Ancient Egyptians used drying as one step in the mummification process.

$1 - $5 per student Ages 6 - 14 1 to 4 weeks
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Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials

$1 - $5 per group Ages 6 - adult 10 to 30 minutes
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In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore different ways to stack cups to meet a personal goal.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this activity about the human heart (on page 5 of the PDF), learners work in teams to simulate the volume of blood moved through the circulatory system by transferring liquid into--and through--a s

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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Over the course of several days, learners explore the property of water that helps plants move water from roots to leaves or gives paper towels the capacity to soak up water.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this chemistry activity, learners use common chemicals to produce carbon dioxide and observe its properties. This resource includes brief questions for learners to answer after the experiment.

$1 - $5 per group Ages 11 - 18 5 to 10 minutes
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In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
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In this activity, learners use candy pieces and a cookie to make an accurate model of the Sun they can eat. Parts of the delicious model include solar granules, sunspots, and solar prominences.

$1 - $5 per student Ages 6 - adult 10 to 30 minutes