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This outdoor activity/field trip requires a place where minnows swim, such as a local pond or brook.

$5 - $10 per group Ages 8 - 14 45 to 60 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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Investigate a flower's power of marketing by making an imitation flower that successfully signals a bee (or other pollinator of your choice) to visit.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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Learners test two jars containing soil, one covered and one open, for changes in temperature. After placing the jars in the Sun, learners discover that the covered jar cools down more slowly.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

1 cent - $1 per group Ages 8 - 14 30 to 45 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 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 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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Learners test two jars, one containing plain air and one containing carbon dioxide gas, to see their reactions to temperature changes.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity (2nd on the page), learners conduct a series of tests to find out which foot is more dominant. In other words, are they right-footed or left-footed?

free Ages 8 - 14 10 to 30 minutes
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In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.

$1 - $5 per student Ages 6 - adult 30 to 45 minutes
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In this multi-part activity learners examine non-point water pollution.

free Ages 6 - adult
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Learners explore three-dimensional geometric frames including cubes and tetrahedrons, as they create bubble wands with pipe cleaners and drinking straws.

$5 - $10 per group Ages 6 - 14 30 to 45 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 discover how frogs' bodies change while growing from a tadpole to a frog. Learners create a simple craft that gives a visual display of the metamorphosis process.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes