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Showing results 861 to 880 of 906
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Tools of Magnification
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In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.
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Acid Rain Eats Stone!
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This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies.
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Squidgy Slime
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In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.
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Water Breathers
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In this activity and/or field trip, learners investigate the water currents that aquatic animals create when they breathe, feed, and propel themselves through water.
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Spring Scale Engineering
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In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.
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Wind Tunnel Testing
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In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.
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Global Climate Change and Sea Level Rise
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In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.
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As Light as Air
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Learners measure a bottle full of air, and then use a vacuum pump to remove the air. When they re-weigh the bottle, learners find the mass is about 0.8g less.
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Life Vest Challenge
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In this activity, learners explore the engineering behind life vests or personal flotation devices and the challenges met by these devices.
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Milk Plastic
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In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.
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Wintergreen
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In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.
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Microbes are Everywhere
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In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results.
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Reflective Solar Cooker
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In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials.
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Air Pressure and Dent Pullers
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In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.
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Light Bulb Challenge
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In this activity, learners explore the difference between compact fluorescent light (CFL) bulbs and traditional incandescent bulbs.
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See the Colors in Leaves
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Learners use chromatography to separate and analyze the mixture of pigments in leaves. Use this activity to discuss photosynthesis as well as why leaves change color in autumn.
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Take It in Stride
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In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking.
Bag of Bones
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In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.
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Dye Detective
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Learners use filter paper and water to analyze six different markers. They mark the paper with ink, and dip the paper in water. The water travels up the paper and dissolved ink travels with it.
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Forces at the Nanoscale: Nano Properties of Everyday Plants
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This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.