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Showing results 201 to 220 of 294
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Oil Spill Cleanup
This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.
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As the Rotor Turns: Wind Power and You
Source Institutions
In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed from
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Make a Wire Critter That Can Walk on Water
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In this activity, learners make water-walking critters using thin wire, and then test how many paper clips these critters can carry without sinking.
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Super Soil
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In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.
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The Shadow Knows I
Source Institutions
In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.
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Drawing Conclusions
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In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.
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Environmental Chemistry
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In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.
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Walk On Water Bugs
Source Institutions
In this activity (on pages 29-35), learners examine water pollution and filtration.
Investigating Convection
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This experiment is designed to illustrate how fluids, including water, have the ability to flow.
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Underwater Hide and Seek
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In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.
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Breathing Blue
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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.
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Moisture Makers
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.
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Mars from Above: Carving Channels
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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.
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The Colors of Flowers
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In this activity, learners perform an experiment to find out what determines a flower's color.
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Head in the Clouds
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In this activity, learners create a CloudSpotter wheel and record the different types of clouds they observe twice daily over several days.
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Moonlight Serenade
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In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.
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Density Intensity
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In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers.
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Nutrients in an Estuary
Source Institutions
In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks.
Disappearing Water
Source Institutions
In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.
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Forward Thinking
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In this activity, learners create their own weather forecast map.