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In this biology activity (page 8 of the PDF), learners will explore how saliva assists in the beginning of the digestive process.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore the concept of density by pouring 5 different liquids into a jar. Food coloring is added if needed to give each liquid a distinct color.

$1 - $5 per student Ages 4 - 14 5 to 10 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 activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.

$1 - $5 per group Ages 6 - 14 5 to 10 minutes
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Capture soap bubble patterns on paper! In this activity, learners can create beautiful pictures from popping soap bubbles.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this chemistry activity (on page 2 of the PDF), learners make a layered drink with liquids of different densities.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.

$1 - $5 per student Ages 11 - 14 45 to 60 minutes
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Learners grow sugar crystals (rock candy). They make a hot solution that has an excess of sugar dissolved in it, then as the solution cools, they see sugar crystals form.

$1 - $5 per student Ages 6 - 11 4 to 24 hours
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners will explore the density of an object in water. Learners will compare what happens to fruits and vegetables in regular and salt water.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes
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In this activity about magnetism (page 17 of the pdf), learners experiment with magnets, exploring the concept of diamagnetic materials by seeing how a grape reacts to a magnetic field.

$1 - $5 per group Ages 6 - 11 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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In this activity, learners will make their own slushies and learn some of the science behind how the process works.

$1 - $5 per group Ages 6 - adult 1 to 2 hours
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In this sunny day activity, learners compare how a cup of water and a cup of tonic water reflect or refract light in the sun.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this activity on page 3 of the PDF, learners investigate how much sugar is in a soda. Learners use sugar cubes to measure and calculate the amount of sugar in a bottle of soda.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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Learners analyze candy-coated sweets using chromatography. Learners use this method to separate the various dyes used to make colored candy.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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This open-ended art project allows learners to create their own colorful ice sculpture by using rock salt and food coloring on a solid block of ice.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes