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Showing results 121 to 140 of 366

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In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will observe laminar and turbulent flow of water using only a plastic bottle, liquid hand soap, food coloring and water.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.

1 cent - $1 per group Ages 4 - adult 5 to 10 minutes
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In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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Using two baby food jars, food coloring, and an index card, you'll 'marry' the jars to see how hot water and cold water mix.

$1 - $5 per group Ages 6 - 11 5 to 10 minutes
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In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this chemistry activity, learners perform three chemical reactions in a sealed zip-top bag. Learners will record their observations and classify the changes as chemical or physical.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners construct a paper glider to experiment with aerodynamic forces.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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This lesson focuses on two simple activities that younger learners can do to gain an appreciation of nanotechnology. First, learners measure their hands in nanometers.

Over $20 per group Ages 8 - 11 1 to 2 hours
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In this chemistry activity, learners use spaghetti to explore density and chemical reactions.

$1 - $5 per group Ages 6 - 18 5 to 10 minutes
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In this chemistry activity, learners use yeast and hydrogen peroxide to generate a gas (oxygen) and test some of its properties.

$1 - $5 per group Ages 11 - 18 5 to 10 minutes
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Demonstrate the Bernoulli Principle using simple materials on a small or large scale.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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En esta actividad, los aprendices aprenderán que es la cromatografía y cómo usarla para separar diferentes sustancias - en este caso,usarán los colores.

$1 - $5 per group Ages 6 - 11 5 to 10 minutes
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In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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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