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Showing results 561 to 580 of 1185

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In this activity, learners explore why frost forms. They create their own frost using a solution of ice water and salt in a glass.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this forensics activity, students will explore the methods that investigators use to confirm the authenticity of handwriting.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners use UV light to transfer a pattern onto a plastic board. The pattern is transferred by placing a mask (a transparency sheet with the pattern) on a plastic board.

Over $20 per group Ages 14 - adult 1 to 2 hours
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In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.

$5 - $10 per student Ages 11 - 18 45 to 60 minutes
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Learners create a tool to measure how well they grip a wet object when their fingers are smooth versus wrinkly. Are smooth or wrinkly fingers better at holding on to the object?

1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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In this physics activity, learners will investigate the strength of egg shells.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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In this multi-station lab, learners conduct a series of experiments to explore the processes and effects of weathering and erosion.

$5 - $10 per group Ages 8 - 14 1 to 7 days
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Learners construct and launch paper helicopters.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners determine whether thermal energy can be used for work.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other marin

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate.

$5 - $10 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.

$10 - $20 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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From the Weather Watchers featured theme on the CYBERCHASE website. Learners will conduct experiments to discover how air temperature and humidity work together to make condensation, dew, and fog.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this nutrition/food science activity, learners conduct an experiment and record data to compare the amount of fat in different foods.

$10 - $20 per group Ages 8 - 11 30 to 45 minutes
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In this physics activity (page 4 of the PDF), learners will explore how similar magnetic poles repel one another. They will rely on linear induction to race magnets around a simple course.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this experiment, learners examine how pressure affects water flow. In small groups, learners work with water and a soda bottle, and then relate their findings to pressure in the deep ocean.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

$1 - $5 per student Ages 8 - 18 1 to 7 days