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Showing results 101 to 120 of 911

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In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.

$1 - $5 per group Ages 8 - 18 Under 5 minutes
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This activity (on page 2) explores how sensing is part of robotics. Learners try tying their shoes with different constraints.

$1 - $5 per student Ages 6 - 18 5 to 10 minutes
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This is an activity (located on page 3 of PDF under Hockey Sticks Activity) about composites, materials made of 2 or more different components.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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In this simulation, learners use M&M™ candy to explore radioactive isotope decay.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
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Learners conduct a "blind" taste-test of several types of enhanced or fitness water drinking water that has commercially added substances like vitamins, sugars, or herbs.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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This activity (on pages 16-23) lets learners measure each other's vital signs—the signs that help doctors understand what's going on in a patient body.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners will explore the density of an object in water. Learners will compare what happens to fruits and vegetables in regular and salt water.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes
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Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners will explore pendulum motion through scientific trials by using household items with different length strings.

$1 - $5 per student Ages 8 - adult 5 to 10 minutes
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners create a cylindrical mirror to see themselves as others see them.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this math lesson, learners identify, describe, and construct the five regular polyhedra.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners will explore basic information about thermodynamics by experimenting with ice. Learners will compare ice melting rates on metal pans or plastic cutting boards.

$1 - $5 per group Ages 4 - 18 10 to 30 minutes
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In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes