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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this chemistry demonstration, learners will discover that phenolphthalein is a chemical that displays different colors depending on the acidity or basicity of the environment.

$5 - $10 per group Ages 6 - 18 Under 5 minutes
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In this activity (on page 2 of PDF), learners mix oil and water. Then, they add soap and observe what changes! The activity demonstrates how oil and water don't mix, except when soap is added.

1 cent - $1 per student Ages 4 - 11 Under 5 minutes
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In this activity (on page 2 of the PDF), the learner places a golf ball between salt water and colored fresh water. The golf ball is not as dense as the saltwater.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity on page 4 of the PDF (Get Cooking With Chemistry), learners investigate ingredients that combine to produce gas bubbles.

$10 - $20 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.

$1 - $5 per group Ages 8 - 18 1 to 7 days
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In this activity on page 3 of the PDF, learners create a collage by using vinegar to transfer color pictures from a newspaper onto a piece of white paper.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners explore what happens when polarized white light passes through a sugar solution.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners discover that the way a material behaves on the macroscale is affected by its structure on the nanoscale.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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Visitors test solutions of water, sugar, salt, and hydrochloric acid and the solids salt and sugar. They clip leads from the hand generator to wires immersed in each substance.

$5 - $10 per group Ages 6 - adult Under 5 minutes
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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.

Over $20 per group Ages 8 - adult 1 to 7 days
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In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners make slides of onion cells and their own cheek cells. Use this lab to teach learners how to prepare microscope slides and use a microscope.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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Visitors prepare six solutions combining vinegar and ammonia that range incrementally from acid (all vinegar) to base (all ammonia).

$1 - $5 per group Ages 6 - adult Under 5 minutes