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Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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Build a car that runs on air. Using household materials, experiment with the power of air to create thrust powerful enough to move a homemade car.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners play a game to simulate the food chain.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners investigate the history and development of agricultural biotechnology.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners separate a mixture of pebbles, salt crystals, and wood pieces. They add water and pour the mixture through a strainer.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies.

$5 - $10 per student Ages 11 - adult 10 to 30 minutes
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Learners gain an intuitive knowledge of the physical aspects of watersheds by creating their own watershed models.

1 cent - $1 per group Ages 8 - 11 45 to 60 minutes
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In this activity, learners explore how engineers work in a team to solve problems.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners find Xi'an, the archaeological area in China where the Terra Cotta Army was discovered, on a map or globe and look more closely at the relationship of the warrior site to ot

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners use maps to locate the Northwest Coastal region.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners will explore the roles of different animals in the food chain. They will create their own food chain using organisms of their choice.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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Learners build a simple solar oven from a shoebox, black construction paper, and aluminum foil. Over the course of a few hours, the oven heats up water enough to brew tea.

$1 - $5 per student Ages 8 - 11 45 to 60 minutes
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This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity learners will measure and manipulate flubber using different tools. Learners will explore volume and make observations about texture and shapes.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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In this chemistry activity, learners will learn how to make their own pH indicator using cabbage leaves, and then test common household items with their homemade indicator.

$5 - $10 per group Ages 14 - 18 10 to 30 minutes