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Showing results 941 to 960 of 1541

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In this meteorological activity, learners get to build their very own anemometer (instrument for measuring wind speed) using a paper cup.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?

free Ages 14 - 18 1 to 2 hours
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This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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This is an activity about discovering the colors and beauty of nature. Learners will spend time outdoors, matching paint chip samples, colored paper, or colors of clothing to those found in nature.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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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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In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

$1 - $5 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners play a card game that explores the relative sizes of various objects. Learners compete to organize their hand of cards into lists of objects from largest to smallest.

1 cent - $1 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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Learners work as a group to create a map of their community. They use pasta to represent people, and glue the pasta on their maps to show areas of large population.

$1 - $5 per group Ages 6 - 8 30 to 45 minutes
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In this activity about light and perception, learners create and observe moire patterns.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.

1 cent - $1 per group Ages 4 - adult 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 use a string and pair of scissors to find pi in the world all around them. Take the circumference of a round object with string and cut the string to that length.

1 cent - $1 per group Ages 11 - adult 5 to 10 minutes
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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As learners play this challenging strategy game, they build understanding of area and perimeter. On each turn, a player draws a line between two dots next to each other on the grid.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.

per group Ages 14 - adult 1 to 2 hours
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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 (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.

$1 - $5 per group Ages 8 - 14 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 set of outdoor games, learners increase their awareness of the outdoor environment by going on a scavenger hunt and an out-of-place hunt.

$5 - $10 per group Ages 4 - 11 1 to 2 hours