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Showing results 101 to 120 of 151

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In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

free Ages 8 - adult 10 to 30 minutes
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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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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In this activity, learners explore the devices used over time to measure changes in temperature.

$1 - $5 per group Ages 8 - 18 1 to 2 hours
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In this activity (page 18 of PDF), learners will measure the volume of impact craters created by projectiles of different masses.

$10 - $20 per student Ages 8 - 14 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 demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.

$5 - $10 per group Ages 11 - 14 10 to 30 minutes
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In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners confront their perceptions of gravity in the solar system.

Over $20 per group Ages 8 - 14 30 to 45 minutes
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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon sequestra

1 cent - $1 per student Ages 11 - 14 1 to 2 hours
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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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Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.

$1 - $5 per student Ages 6 - adult 10 to 30 minutes