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Showing results 121 to 140 of 172

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These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.

free Ages 8 - 18 Under 5 minutes
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In this quick activity/demonstration (5th on the page), learners explore depth perception.

free Ages 6 - 18 Under 5 minutes
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In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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Get all wrapped up in a lesson about skin!

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this online activity about heart disease, learners will pick one of three patients (based on actual patient histories) and help a cardiologist diagnose and prescribe treatments for him or her.

free Ages 14 - 18 Under 5 minutes
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In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity (3rd on the page), learners investigate circadian rhythms by examining how well people do with estimating time.

free Ages 8 - 18 30 to 45 minutes
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In this activity (posted on March 20, 2011), learners follow the steps to construct a stroboscope, a device that exploits the persistence of vision to make moving objects appear slow or stationary.

$5 - $10 per student Ages 8 - 18 1 to 2 hours
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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This mirror-tracing activity related to proprioception is a visual and motor test that involves learning a new motor skill.

1 cent - $1 per student Ages 11 - 18 1 to 7 days
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In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this activity, learners stain fabrics--on purpose!

Over $20 per group Ages 11 - 18 1 to 2 hours
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners build an instrument for catching and observing flies. Learners act as entomologists, attract flies into a jar using a slice of apple, and then observe the flies' behavior.

$1 - $5 per group Ages 4 - 18 1 to 4 weeks
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In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers and tools.

Over $20 per student Ages 8 - 18 1 to 7 days