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Showing results 161 to 180 of 229

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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 (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 online activity about anatomy, learners will correctly order the path blood takes through the heart in order to absorb oxygen to deliver to the rest of the body.

free Ages 11 - 18 Under 5 minutes
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In this online activity, learners test their ability to hear different frequencies and compare their frequency range with the frequency range of other animals and insects.

free Ages 4 - 11 5 to 10 minutes
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Can you avoid the body's immune system and make someone sick? Play this online game in which you go inside a human body to explore how viruses attack cells in the body.

free Ages 8 - 14 5 to 10 minutes
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In this quick activity about size and scale (on page 2 of the PDF under What's Nano?

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners discover how exercise helps keep the body healthy. Learners increase their heart rates by running and understand how running fast versus walking affects their pulse rates.

free Ages 6 - 14 10 to 30 minutes
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Put math of measurement into lining up — and make waiting in line fun. Choose a size characteristic that learners can physically compare, such as foot length or hair length.

free Ages 4 - 14 5 to 10 minutes
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This online game tests reaction time. The learner controls a computer-generated frog, and must press a button as soon as a fly appears on the game's radar screen or can be heard from the speaker.

free Ages 8 - 11 5 to 10 minutes
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In this activity, learners listen to a story about a made-up endangered species--a flying frog! Learners print out six story pages and then draw the pictures and write the captions.

free Ages 6 - 11 30 to 45 minutes
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Learners draw and describe a leaf, and then re-find leaves drawn and described by other learners. Learners can observe leaves outside, or leaves may be brought into the classroom.

free Ages 11 - 18 45 to 60 minutes
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In this investigation, learners gather information on various food items during a field trip to a local grocery store.

free Ages 11 - 18 45 to 60 minutes
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This "concept demonstration" provides learners with a concrete example (a pair of shoes in a classroom "cell") of what homology means.

free Ages 14 - 18 5 to 10 minutes
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String Thing is an interactive online game in which learners change a virtual string's tension, length, and gauge to create different musical pitches.

free Ages 8 - 14 10 to 30 minutes
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In this online activity about heart disease, learners will, with the virtual help of an actual surgeon, watch a virtual bypass surgery.

free Ages 14 - 18 10 to 30 minutes
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In this activity, learners work in partners to create and exchange messages written in Braille. Learners use a Braille key and thumbtacks to write their messages in Braille.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners discover how sweating makes us feel cooler. Learners put on one damp sock and one dry sock and sit in front of a fan.

free Ages 4 - 14 5 to 10 minutes
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In this activity, young learners go on a walk with caregivers and use their senses to observe nature with the help of scavenger hunt sheet.

free Ages 4 - 8 10 to 30 minutes
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Spin a short piece of PVC pipe that's been marked up, and watch a triangle appear. Enjoy this optical illusion from the Exploratorium's Science Snack series.

free Ages 4 - 18 5 to 10 minutes
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In this lesson, learners will understand the concepts behind endangered and extinct animals and develop their own conservation plan to save three endangered species.

free Ages 8 - 18 45 to 60 minutes