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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners play a simple card game to learn the sequence of events in the transmission of nervous system signals.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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Learners use red cabbage juice and pH indicator paper to test the acidity and basicity of household materials. The activity links this concept of acids and bases to acid rain and other pollutants.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this neuroscience activity, learners conduct a simulation to demonstrate how multiple incoming signals influence the action of neurons.

free Ages 11 - 14 30 to 45 minutes
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In this activity, learners examine how brine shrimp populations can survive in some of the harshest environments.

Over $20 per group Ages 11 - 18 1 to 7 days
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In this activity (on page 1 of the PDF), learners make a "mini-globe" to investigate the causes of day and night on our planet.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners use models of fossilized dinosaur teeth to understand how dinosaur teeth were used.

Over $20 per group Ages 8 - 11 45 to 60 minutes
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This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.

free Ages 8 - 18 45 to 60 minutes
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In this math activity, learners use a variety of sensory modalities to gain experiences with identifying, describing and creating repeating patterns.

Over $20 per group Ages 4 - 6 1 to 2 hours
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In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity about the baroreceptor reflex (BR) arc (page 123 of the PDF), learners discover the importance of maintaining adequate arterial blood pressure through a role playing exercise.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this multi-part activity learners examine non-point water pollution.

free Ages 6 - adult
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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 environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion.

Over $20 per group Ages 8 - 11 1 to 7 days
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In this activity, learners rotate through several learning and play stations to explore dinosaurs and paleontologists.

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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This activity (located on page 3 of the PDF under GPS: Cave Swallows Activity) is a full inquiry investigation into bird behaviors.

free Ages 8 - 14 2 to 4 hours
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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