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In this activity, learners conduct an oxidation experiment that turns old pennies bright and shiny. Learners soak 20 dull, dirty pennies in a bowl of salt and vinegar for five minutes.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this three-part activity, learners play a game and conduct two simple experiments to explore water and surface tension. Learners will have fun discovering how water "sticks" together.

$1 - $5 per student Ages 8 - 11 10 to 30 minutes
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Learners apply their knowledge of heat transfer to design two cans - one that will retain heat and one that will cool down quickly.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners simulate a multistage rocket launch using party balloons, fishing line, straws, and a plastic cup.

$1 - $5 per student Ages 8 - 18 45 to 60 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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In this activity on page 6 of the PDF, learners dissolve Epsom salt in water and discover that the resulting solution can be used to create a work of art.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

$1 - $5 per group Ages 4 - adult 1 to 2 hours
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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, learners use geometry to predict the shape of carbon. Learners twist and attach chenille stem pieces that represent bonds between different carbon atoms.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this fun hands-on activity, learners use simple materials to investigate evaporation. How can the evaporation of water on a hot day be used to cool an object? Find out the experimental way!

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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In this physics activity, learners will build their own parachutes out of tissue paper. They will explore the effects of weight, height, and design on the parachutes' speed and stability.

$1 - $5 per student Ages 8 - 11 30 to 45 minutes
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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

$1 - $5 per student Ages 6 - 14 30 to 45 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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This neuroscience activity introduces learners to how messages are sent and received by neurons. Learners use modeling clay and pipe cleaners to build model neurons.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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This activity was designed for blind learners, but all types of learners can use it to investigate heterogeneous and homogeneous mixtures and solutions, identify the differences, and explore the conce

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
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In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

$1 - $5 per group Ages 11 - adult 30 to 45 minutes
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.

$1 - $5 per student Ages 8 - 18 45 to 60 minutes