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Showing results 101 to 120 of 177

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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.

free Ages 8 - 18 10 to 30 minutes
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Make a copy of the first stethoscope with only a cardboard tube! René Laennec invented the first stethoscope in 1819 using an actual paper tube!

free Ages 4 - 14 5 to 10 minutes
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In this outdoor activity, learners play a game of Tag to discover how neurons attach themselves to each other to form a chain.

free Ages 8 - 18 10 to 30 minutes
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In this group or individual activity, learners are encouraged to watch birds near home or school—possibly where birds are nesting in a tree, pecking in a park, feeding from a feeder, or flying through

free Ages 6 - 14 1 to 7 days
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This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

free Ages 8 - 18 5 to 10 minutes
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This activity is designed to let learners measure their reaction time or response time to something they see.

free Ages 8 - 18 10 to 30 minutes
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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.

free Ages 4 - 18 5 to 10 minutes
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This game presents you with several different choices you can make in the course of your everyday life to increase your level of physical activity and be healthier.

free Ages 8 - 14 5 to 10 minutes
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In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

free Ages 4 - 18 Under 5 minutes
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In this activity (4th on the page), learners conduct a series of tests to find out which of their ears is more dominant.

free Ages 8 - 14 10 to 30 minutes
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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.

free Ages 8 - 18 Under 5 minutes
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In this activity, learners play a guessing game to explore classification.

free Ages 6 - 11 5 to 10 minutes
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In this activity, learners discover how landfills affect the natural environment.

free Ages 8 - 18 1 to 4 weeks
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Can you read the sentence "I C U"? Not really - but if you say each letter aloud, you'll say the simple sentence, "I see you." What if you change the "C" into a picture of an eye?

free Ages 4 - 11 10 to 30 minutes
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This activity offers learners and their families several ways to raise their awareness together about home water.

free Ages 4 - adult 1 to 7 days
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In this activity, learners use found natural materials to create a water haven for bees and other insects.

free Ages 4 - adult 10 to 30 minutes
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In this activity (on page 2 of the PDF under GPS: Biodiversity Activity), learners will pair up and take a notebook outdoors to a selected location to observe and record a list of living things that t

free Ages 8 - 14 1 to 2 hours
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This is an activity about music, movement, and math. Learners will start a rhythm pattern with 2, 3, or 4 beats. For instance, tap your foot, jump, clap, repeat.

free Ages 4 - 14 5 to 10 minutes
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In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

free Ages 6 - 18 10 to 30 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