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Showing results 741 to 760 of 822
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The Power of Graphene
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This lesson focuses on graphene and its electrical properties and applications.
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Fungus Among Us
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In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.
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Stuck on You: Adhesion
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Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.
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Design and Build a Wind Vane
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In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.
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Servings and Choices
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In this nutrition activity (page 16 of PDF), learners document their individual eating habits and learn whether their eating patterns meet their needs.
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Investigating Sleep
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In this activity about sleep rhythms (on page 25 of the PDF), learners will investigate how changing the time they go to bed impacts their own sleep patterns.
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Sounds of the Heart
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In this activity, learners will investigate the sounds of the heart.
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A Balancing Act
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In this plant science activity, learners role play as vegetables and weeds competing for nutrients.
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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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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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Weather Vane and Anemometer
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In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.
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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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What is a "Model"?
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In this activity, learners simulate the behavior of the atmosphere.
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Water Tower Challenge
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In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.
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Sticky Engineering Challenge
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In this activity, learners explore how engineers work in a team to solve problems.
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Where Do We Choose to Live and Why?
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In this geography investigation, learners use a nighttime satellite image to observe areas of light across the United States and to identify patterns and spatial distributions of human settlements.
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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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Comparing Sizes of Microorganisms
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete
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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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Rubber Band Boat
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In this activity, learners build styrofoam boats powered by twisted rubber bands.