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In this activity, learners test what happens when they put baking power on different frozen liquids.

$5 - $10 per group Ages 4 - 11 5 to 10 minutes
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In this activity, learners explore the relationship between cooling water vapor and condensation. Learners investigate condensation forming on the outside of a cold cup.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

$5 - $10 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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In this hands-on experiment, kids use chemistry to explore whether acids or bases are better at restoring a penny’s shine.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners see how many coins they can add to a full glass of water before the water overflows.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this physics related activity which requires adult supervision, learners make their own powerful water rocket and, with it, explore Newton's Third Law of Motion.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity about center of gravity (page 23 of PDF), learners investigate how the body adjusts to the force of gravity to remain balanced.

$1 - $5 per group Ages 6 - 11 1 to 2 hours
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In this activity, learners make acid/base indicator paper, place the indicator paper on an anthill, disturb a bunch of ants, and then observe what happens!

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

$1 - $5 per group Ages 6 - 14 2 to 4 hours
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Experiment with liquids of different densities and create liquid layers. For example, oil and water have different densities: oil floats on water because it is less dense than water.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners mix up a bubbly brew and examine density. Learners explore how they can make different materials fall and rise in water using oil, water, and salt.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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Learners investigate an iron-fortified cereal by stirring it with a strong magnet. They discover that metallic iron is present in some cereals.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity (page 3 of the PDF), learners will observe a physical change.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore the process of condensation.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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Learners add different liquids (water, salt water, alcohol, and detergent solution) to water and observe the different ways the different liquids combine with water.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners are challenged to lift a floating ice cube out of a glass of water using just one end of a piece of string.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this biology experiment, learners plant soybean seeds in plaster of Paris, witnessing firsthand the mighty power and ability of plants to grow in adverse conditions.

1 cent - $1 per student Ages 6 - 11 1 to 4 weeks
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In two separate bags, learners mix water with Epsom salts and detergent.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes