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Showing results 61 to 79 of 79

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In this activity, learners investigate the properties of plastic bags. Learners find out what happens when they slowly push a pencil through a plastic bag filled with water.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.

$10 - $20 per student Ages 8 - 14 1 to 2 hours
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In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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Learners identify an unknown liquid by comparing its behavior to known liquids. Learners drop liquids onto different surfaces and see how the liquids behave.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners add different liquids to water and apply their working definition of “dissolving” to their observations.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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In this activity on page 8 of the PDF, learners investigate vitamin C. Learners conduct a chemistry experiment to determine if Tang drink mix or orange juice contains more vitamin C.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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Learners investigate how the temperature of water affects its density.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity on page 4 of the PDF, explore the unique molecular structure and conductive nature of graphene. Learners construct a circuit with a battery and LED bulb.

$10 - $20 per student Ages 8 - 14 5 to 10 minutes
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In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

$10 - $20 per student Ages 8 - 14 1 to 7 days
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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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Learners design their own experiment to compare how well cocoa mix dissolves in cold and hot water. They will see that cocoa mix dissolves much better in hot water. Adult supervision recommended.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.

$1 - $5 per group Ages 4 - 11 2 to 4 hours
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Learners see that a can of regular cola sinks while a can of diet cola floats. As a demonstration, bubble wrap is taped to the can of regular cola to make it float.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks
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Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes