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Showing results 101 to 120 of 165

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In this activity, learners examine raindrop bottles (prepared ahead of time) to observe in slow motion the behavior of falling droplets and explore concepts such as drag and terminal velocity.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.

Over $20 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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In this activity related to microbes, learners make slides of cells from an onion skin and Elodea (American or Canadian waterweed) to observe under a microscope.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners make different shapes that hold exactly one mole of gas (air).

$1 - $5 per group Ages 14 - 18 30 to 45 minutes
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Learners create an Incan counting device called a quipu (pronounced kee-poo).

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this archaeology activity, learners make observations and conduct an experiment to demonstrate the effect saltwater has on artifacts.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this math lesson, learners are introduced to proportional reasoning through modeling, sharing, and questioning techniques.

$5 - $10 per group Ages 8 - 11 1 to 2 hours
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In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners will explore how the human brain interprets environmental stimuli.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.

$1 - $5 per student Ages 11 - 18 4 to 24 hours
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

$1 - $5 per group Ages 6 - 14 2 to 4 hours
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This guide features three related ramp explorations in which learners investigate the following science concepts: when placed on a ramp, some objects roll, others slide, and others stay put; the shape

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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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.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes
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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.

free Ages 14 - 18 1 to 2 hours
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In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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In this math lesson, learners explore and investigate measurement using standard and non-standard units.

$10 - $20 per group Ages 6 - 8 1 to 2 hours