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Sounds of the Heart
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In this activity, learners will investigate the sounds of the heart.
Giving Water the Treatment
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In this ecology activity (page 8 of the PDF), learners explore how to filter contaminated water using a variety of materials.
Biotechnology Through Time
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In this activity, learners investigate the history and development of agricultural biotechnology.
A Balancing Act
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In this plant science activity, learners role play as vegetables and weeds competing for nutrients.
All Mixed Up!
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In this activity, learners separate a mixture of pebbles, salt crystals, and wood pieces. They add water and pour the mixture through a strainer.
Measurement: Million Dollar Giveaway
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In this math lesson, learners apply measurement skills to determine, in dollar bills, the capacity of a suitcase.
Eclipse: How can the little Moon hide the giant Sun?
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In this activity, learners explore how distance can affect the way we perceive the size of an object.
Build Your Own Hydroelectric Generator
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Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.
Computation and Estimation: Alphabits
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In this math lesson, learners apply the concepts of ratios and percentages to the distribution of letters contained in a box of Alphabits® cereal.
Gas Producing Micro-Reaction
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In this chemistry activity, learners use common chemicals and metals to examine reactions that produce gaseous substances.
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.
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.
Save Your Ears
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This game depicts a woman going through her day, faced with various loud sounds.
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.
Weather Vane and Anemometer
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In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.
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.
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.
What is a "Model"?
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In this activity, learners simulate the behavior of the atmosphere.
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.
Cuica (Laughing Cup): Make a Musical Instrument
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In this activity, you'll use a paper cup, a piece of cloth, and some string to make a musical instrument called a cuica (pronounced KWEE-kah).