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In this activity related to plant biotechnology, learners extract DNA from fruit to investigate how it looks and feels.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
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In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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This activity demonstrates the specificity of viral vectors for target cells in gene therapy delivery methods using two approaches: 1) STYROFOAM® models demonstrate viral ligand binding to receptor pr

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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Create 3D glasses and use them to explore color, light and optics. Fool your brain into 'seeing' three dimensions on a flat surface!

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners use multiple thermometers, placed at different angles, and a lamp to investigate why some places on Earth's surface are much hotter than others.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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Learners construct an electricity-generating wind turbine out of a plastic bottle.

Over $20 per group Ages 11 - 18 2 to 4 hours
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In this activity, learners will investigate air and gravity through the use of various fabrics by through them in the air. Activity includes step-by-step instructions and extension ideas.

$1 - $5 per student Ages 4 - adult
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Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization.

$5 - $10 per group Ages 8 - 18 1 to 12 months
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Plants need nutrients to grow. This is why we apply fertilizers to grass and food crops. In this activity, learners will explore how fertilizers can affect lakes and other bodies of water.

$5 - $10 per group Ages 8 - adult 1 to 4 weeks
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This is an activity about a very important ingredient in most baked goods - gluten! Why is gluten so important? Without it, there would be nothing to hold the gas that makes bread rise.

$1 - $5 per group Ages 11 - adult 45 to 60 minutes
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In this activity about the brain and sleep (on page 138 of the PDF), learners measure their resting breathing rates. Learners will discover that breathing frequencies vary amongst individuals.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

$5 - $10 per student Ages 6 - adult 30 to 45 minutes
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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.

free Ages 11 - 18 30 to 45 minutes
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In this activity, learners smell bottles containing bee pheromone molecules (or herb/spice extracts as a substitute). Bees release these molecules to send messages to each other.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes
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In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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Fat is a very important component in our diet. It's the most efficient source of energy in our bodies, and plays an important role in the flavor of foods.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other.

$1 - $5 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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Visitors add drops of copper sulfate solution onto a steel nail. They observe the nail change color from silver to brown as the copper plates onto the nail.

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