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Learners observe working lava lamps to understand how they work (included in PDF link).

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners will test the strength of different brands of paper towels.

$1 - $5 per student Ages 4 - adult 30 to 45 minutes
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In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will review the functions of basic digestive organs, understand how diet affects digestion, understand how digestive tracks may differ, and then step outside to compare the

free Ages 8 - 18 30 to 45 minutes
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Play with your food while learning about engineering! Build a spaghetti bridge, then test its strength by piling on the marshmallows, raw spaghetti, raw linguine and coins.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners will explore globes of frozen water to learn how to ask and then answer 'investigable' questions. The activity web page includes a short video demonstration.

$1 - $5 per group Ages 8 - adult 45 to 60 minutes
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In this activity, you take regular dominoes, and turn them into conductive switches that can turn on a LEGO RCX block or Pico Cricket (micro controller). LEGO RCX block or Pico Cricket is required.

Over $20 per group Ages 8 - adult 2 to 4 hours
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In this dramatic activity/demonstration about phase change and condensation, learners place an aluminum can filled with about two tablespoons of water on a stove burner.

free Ages 8 - 14 5 to 10 minutes
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In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.

Over $20 per group Ages 8 - adult 1 to 2 hours
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

$10 - $20 per group Ages 8 - adult 1 to 12 months
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In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

1 cent - $1 per group Ages 8 - 18 5 to 10 minutes
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In this hands-on activity, learners make New Year's Eve party hats out of wrapping paper. Learners use symmetry and measurement to cut out shapes they need to assemble the hats.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.

free Ages 8 - 18 10 to 30 minutes
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In this activity, learners use pedigree and jigsaw puzzles to explore how scientists use genetic information from a family to identify a gene associated with a genetic disorder.

free Ages 11 - 18 10 to 30 minutes
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In this activity, learners calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper.

1 cent - $1 per student Ages 11 - 18 5 to 10 minutes
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This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System.

per group Ages 8 - adult 30 to 45 minutes
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In this outdoor art/environmental activity, learners create designs that will attract attention to animals and plants in particular habitats, and then test whether their designs attracted the "right"

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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In this game (4th activity on the page) about hearing, learners test their ability to identify various sounds without looking.

free Ages 4 - 14 5 to 10 minutes
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In this activity (on page 2), learners create a submarine using a plastic cup. This is a fun way to learn about buoyancy and density.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes