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Showing results 301 to 320 of 421

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In this chemistry activity, learners use the lowered freezing point of water to chill another mixture (ice cream) to the solid state.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

Over $20 per student Ages 11 - adult 30 to 45 minutes
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Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.

$1 - $5 per group Ages 4 - 14 1 to 4 weeks
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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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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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Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners build a simple solar oven out of household materials to melt chocolate and marshmallow between graham crackers--known as s'mores.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

Over $20 per group Ages 14 - 18 10 to 30 minutes
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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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In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this "Sid the Science Kid" activity from Episode 109: The Perfect Pancake, learners make applesauce to explore irreversible change.

$5 - $10 per group Ages 4 - 6 10 to 30 minutes
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In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

$1 - $5 per group Ages 11 - 18 1 to 7 days
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This activity uses turmeric, a common spice in curry, as an indicator for acidity and basicity. Turmeric is yellow in acid and neutral substances, but turns bright red with bases.

$1 - $5 per student Ages 11 - 14 10 to 30 minutes
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Learners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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In this activity, Frankenstein's lab is running out of electricity! Learners use fruit to help Igor find a temporary source of energy to turn on a light.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes