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Showing results 61 to 80 of 168

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In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree.

free Ages 11 - 18 10 to 30 minutes
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In this nutrition activity (page 26 of PDF), learners consider the nutritional needs of people with specific dietary requirements, such as athletes, persons with diabetes and vegetarians, and create a

free Ages 8 - 14 1 to 2 hours
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In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

free Ages 11 - 18 45 to 60 minutes
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In this activity, learners conduct scientific research on multitasking. Learners determine if multitasking with media while doing homework affects their ability to successfully complete the homework.

free Ages 8 - 14 45 to 60 minutes
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

free Ages 8 - 18 10 to 30 minutes
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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In this activity, learners train to increase muscular strength and improve upper and lower body coordination by performing the “bear crawl” and the "crab walk.” Learners perform the exercises over tim

free Ages 8 - 14 1 to 4 weeks
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We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.

free Ages 4 - 14 Under 5 minutes
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In this nutrition activity (page 3 of the PDF), learners will record their food consumption for one day, and then evaluate how their actual diet matched up with the recommended diet.

free Ages 6 - 18 1 to 7 days
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In this activity (14th activity on the page) about the sense of touch, learners examine if it is easier or harder to identify an object if they move their hands over it.

free Ages 4 - 18 5 to 10 minutes
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In this activity, learners will train to develop upper and lower body strength in their muscles and bones by performing body-weight squats and push-ups.

free Ages 8 - 14 1 to 4 weeks
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Known as the waterfall effect, this activity demonstrates adaptation in our visual system.

free Ages 6 - 14 Under 5 minutes
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Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta o en línea.

free Ages 6 - adult Under 5 minutes
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This activity (located on page 3 of the PDF) is a full inquiry investigation into bird behaviors.

free Ages 8 - 14 2 to 4 hours
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We don't normally view people upside down and so our brains aren't accustomed to it.

free Ages 4 - 18 Under 5 minutes
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In this interactive game, learners listen to the songs of four different thrushes and then try to match each bird with its song.

free Ages 6 - adult 5 to 10 minutes
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In this online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer.

free Ages 6 - 14 5 to 10 minutes
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In this game, students will become familiar with fish shapes, learn that fish within a given taxonomic family have similar body shapes, and discuss how different body shapes enable fish to survive in

free Ages 6 - 14 10 to 30 minutes
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Learners work in teams to investigate how scientists use physical characteristics to classify living things.

free Ages 8 - 18 45 to 60 minutes