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Showing results 181 to 200 of 2051

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In this activity, learners explore how musical instruments are engineered.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days.

$1 - $5 per student Ages 8 - 14 1 to 4 weeks
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In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.

$1 - $5 per group Ages 4 - 14 30 to 45 minutes
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In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.

$5 - $10 per group Ages 8 - 14 1 to 4 weeks
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Learners conduct a simple experiment to model and explore the harmful effects of acid rain (vinegar) on living (green leaf and eggshell) and non-living (paper clip) objects.

$1 - $5 per group Ages 8 - 14 4 to 24 hours
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In this nutrition activity, learners explore food labels and consider the nutritional value of foods. Learners also explore units of measurement commonly used on food labels.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners investigate Scanning Probe Microscopes (SPM) and then work in teams using a pencil to explore and identify the shape of objects they cannot see, just as SPMs do at the nano

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners demonstrate how water can distort, refract and magnify light.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way.

$5 - $10 per student Ages 6 - 14 10 to 30 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 activity, learners build a sled kite that models a type of airfoil called a parawing.

$1 - $5 per student Ages 6 - 11 1 to 2 hours
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In this outdoor activity, learners find, count and compare as many different kinds of animals as they can find in two different areas: a managed lawn and a weedy area.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass.

free Ages 8 - 14 5 to 10 minutes
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In this activity (23rd on the page), learners conduct an experiment to examine memory and learning.

1 cent - $1 per group Ages 8 - 18 10 to 30 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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This activity (on page 2 of the PDF under SciGirls Activity: Extreme Sounds) is a full inquiry investigation into sound.

Over $20 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this quick activity (page 1 of PDF under SciGirls Activity: Hockey), learners will use a simple physics of motion and gravity demonstration to test their predicting skills.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes