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Showing results 41 to 60 of 228

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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.

free Ages 6 - 18 5 to 10 minutes
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"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.

$1 - $5 per group Ages 6 - 14 5 to 10 minutes
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This is written as a display, but can easily be adapted to a hands-on activity. Learners discover how all the parts of a diaper work together to keep babies dry and comfortable.

$1 - $5 per group Ages 6 - 14 5 to 10 minutes
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This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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Up close, an array of dots could look random, but take a step back, and an image forms. By tracing over an image, learners can create their own dot based image.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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When was the last time you took a really close look at a leaf? In this activity, learners will use leaves and simple materials to make colorful leaf rubbings.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this activity, learners explore inertia as they attempt to whip a strip of paper out from under two coins dangling on the rim of a water glass.

free Ages 6 - 14 5 to 10 minutes
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In this activity, learners investigate just how small a billionth of a meter is by attempting to cut a paper ruler down to a nanometer-sized sliver.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes
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In this activity, learners discover how a super-absorbing material can be used to move a straw.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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This demonstration activity models how Venus appears from Earth.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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In this activity, learners will explore the dynamics of air pressure by using a candle, a cup, and a dish of water.

$1 - $5 per student Ages 4 - 18 5 to 10 minutes
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In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners discover that a material can act differently when it's nanometer-sized.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners will keep track of how much they can do in one minute. Instructors can pick something everyone will do for a minute, such as jumping up and down or drawing stars.

free Ages 4 - 14 5 to 10 minutes
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In this activity, learners keep track of how much paper the group uses in a week. Build awareness of paper waste, while strengthening measurement and estimation skills.

free Ages 4 - 14 5 to 10 minutes