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In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

free Ages 8 - adult 10 to 30 minutes
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In this activity, learners explore how parachutes are used to slow down moving objects. Learners work in teams of "engineers" to design and build their own parachutes out of everyday items.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.

$10 - $20 per student Ages 6 - 18 30 to 45 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, 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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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
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In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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In this data analysis activity, learners quantify the abundance and distribution of sea scallops in and adjacent to the Mid-Atlantic closed areas.

$1 - $5 per student Ages 14 - 18 1 to 2 hours
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In this activity, learners investigate the olfactory system by conducting several experiments.

$5 - $10 per group Ages 11 - 14 2 to 4 hours
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In this activity, learners investigate whether more people are squares or rectangles. People with similarly sized heights and arm spans are classified as squares.

free Ages 6 - 11 10 to 30 minutes
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In this outdoor activity linking human health to the environment, learners use their pulse rates as a measure of the effort expended in walking on different slopes.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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Throw that fish back? A new generation of ethical anglers concerned about conserving resources is participating in "catch and release" fishing. How is this going?

free Ages 14 - 18 1 to 2 hours
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Create a “Find Someone” list, with about 10 items, each containing a shape, number, or measurement. Can you find someone in the group with hair about 4 inches long? Someone wearing parallel lines?

free Ages 6 - 14 10 to 30 minutes
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In this oceanography and data collection activity, learners cast real time sea state conditions using buoys from NOAA's National Data Buoy Center.

1 cent - $1 per student Ages 14 - 18 1 to 2 hours
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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

1 cent - $1 per student Ages 11 - 18 1 to 7 days
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In this activity, learners will make seed orbs to grow new trees and plants. Learners will explore ecology and life cycles as well as stewardship through this activity.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes