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Showing results 61 to 80 of 154

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This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.

$5 - $10 per group Ages 6 - 14 1 to 2 hours
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In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution.

$5 - $10 per group Ages 8 - adult 2 to 4 hours
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This is an activity (located on page 3 of the PDF under Stained Glass Activity) about nanotechnology making its way into everyday products, such as sunscreen, and how effective these invisible particl

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners conduct a controlled experiment to examine how temperature will affect the height of a soda geyser.

Over $20 per group Ages 8 - 18 1 to 2 hours
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Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
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In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 minutes
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

free Ages 11 - adult 10 to 30 minutes
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In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.

$5 - $10 per student Ages 11 - 18 4 to 24 hours
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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes