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Showing results 741 to 760 of 1508

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In this activity best suited as a demonstration, learners observe that when a piece of iron gets too hot, it loses its ability to be magnetized.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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In this chemistry activity, learners discover that the weight of the product of combustion is greater than that of the starting material.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity about electricity, learners identify closed and open circuits. First, learners examine and label diagrams of open and closed circuits.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners build magnetic towers to explore the forces and properties of magnets.

$5 - $10 per student Ages 4 - 11 45 to 60 minutes
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In this activity about bones (page 12 of PDF), learners investigate and compare the weight-bearing capacity of solid and hollow cylinders.

$1 - $5 per group Ages 6 - 11 1 to 2 hours
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In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature.

$5 - $10 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners make and test fly paper helicopters. Learners use templates to create paper helicopters and then take take turns flying them in the air.

$1 - $5 per student Ages 8 - 11 10 to 30 minutes
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Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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This lesson focuses on graphene and its electrical properties and applications.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data.

1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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Learners create an electrical-circuit maze out of wire, then try to pass a paperclip through the maze without touching the wire.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In the wild, small crustaceans known as brine shrimp live in marine habitats such as saltwater lakes.

$10 - $20 per group Ages 11 - 18 1 to 7 days
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This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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Water treatment on a large scale enables the supply of clean drinking water to communities.

$5 - $10 per group Ages 11 - adult 45 to 60 minutes
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In this activity (page 1 of the PDF under SciGirls Activity: Horse Ears), learners observe how an animal responds to its own reflection.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.

$10 - $20 per student Ages 8 - 14 1 to 2 hours
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In this activity, learners use a chemical reaction to visualize where moisture forms on the body.

$10 - $20 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners create a water prism to break light into the seven colors of the rainbow.

free Ages 6 - 11 Under 5 minutes
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In this activity, learners concoct some stretchy green goo called Gak. This activity will introduce learners to polymers, chemical reactions, and how scientists invent new materials.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes