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The Blue Crab's Chesapeake Journey
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In this data collection activity about crabs, learners use data from the Virginia Institute of Marine Science (VIMS) trawl survey to determine the areas of the Chesapeake Bay that are being used by bl

Simple Spinner
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.

Light Soda
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In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.
Tsunami: Waves of Destruction
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In this activity, learners use tsunami time travel maps to predict how long it will take a tsunami to reach the shore.

Mapping the Homunculus
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In this activity, learners will explore how the human brain interprets environmental stimuli.

Inverted Bottles
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In this activity, learners investigate convection by using food coloring and water of different temperatures.

There's Always Room For JELL-O
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In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.

Auditory Acuity
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This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

How Fast Are You?
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This activity is designed to let learners measure their reaction time or response time to something they see.

Telescopes as Time Machines
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This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.

Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.

Evolution in Action: Isolation and Speciation in the Lower Congo River
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In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.

Head, Shoulder, Knees and Toes...and Hands, Fingers and Back
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Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body.

Sizing Up Temperature
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In this activity, learners explore Charles' Law in a syringe.

Depth Perception
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In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

Pick the Risk: The Polygenic Pedigree Challenge
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In this activity, learners are challenged to track and record the passage of colored pom poms (representing genes) through generations of a family using a pedigree.

Canada Goose: Explore Trends With Data
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In this activity, learners will explore trends in Canada goose populations using real data from the National Audubon Society's Christmas Bird Count.

Think Fast!
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This is a quick and simple demonstration about reflexes (fourth activity on the page). One learner stands behind a see-through barrier like a window or wire screen.

Demonstrating An Epidemic
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This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi

Mapping a Study Site
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In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.