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Wheeling It In!
Students use everyday materials (milk cartons, water bottles, pencils, straws, candy) to build a small-scale transportation device that incorporates the wheel and axle and the lever. They race their carts/trucks, measure distance, time...
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Red Light, Green Light
Students investigate the friction between tires and the road and how it affects the movement of cars while driving. They discuss and define friction, experiment with sandpaper and wax paper to determine which material provides the least...
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Aqua-Thrusters!
Students construct their own rocket-powered boat called an "aqua-thruster." These aqua-thrusters will be made from a film canister and will use carbon dioxide gas - produced from a chemical reaction between an antacid tablet and water -...
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Bombs Away!
Students design and build a device to protect and accurately deliver a dropped egg. They review and study a number of vocabulary words that are associated with this instructional activity. They work in a small group in order to develop...
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Bulbs & Batteries in a Row
Students investigate simple series circuits and their properties. In small groups they draw a circuit diagram on their Series Circuit Building worksheet, follow step-by-step directions to construct a simple series circuit, and solve...
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Completing the Circuit
Students use a battery, wires, small light bulb and a light bulb holder to learn the difference between an open circuit and a closed circuit, and understand that electric current only occurs in a closed circuit. They describe the...
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Hovercraft Racers!
Students gain first-hand experience on how friction affects motion. They build a hovercraft using air from a balloon to levitate a craft made from a compact disk (CD), learning that a bed of air under an object significantly reduces the...
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I Can't Take the Pressure!
Young scholars explore the concept of air pressure. Using candy or cookie wafers to model how air pressure changes with altitude, they conduct an aluminum can crushing experiment, compare the magnitude to gravitational force per unit...
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Stations of Light
Student groups rotate through four stations to examine light energy behavior: refraction, magnification, prisms and polarization. They see how a beam of light is refracted (bent) through various transparent mediums. Students investigate...
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TE Activity: Northward Ho!
Students design a simple compass. They examine how the Earth's magnetic field has both horizontal and vertical components. They determine how a compass works and work with cardinal directions.
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What Is Energy? Short Demos
Students engage in three short, hands-on, in-class demos which expand students' understand of energy. First, using peanuts and heat, students see how the human body burns food to make energy. Then, they create paper snake mobiles to...
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Floodplain Modeling
Students simulate the impact of fluctuating river volumes on structures and landforms. They experiment with table top-sized riverbed models and water. Students consider how human design can help mitigate the effects of a flood.
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Heredity Mix 'n Match
Learners randomly select jelly beans that represent genes for several human traits such as tongue-rolling ability and eye color. Then, working in pairs (preferably of mixed gender), students randomly choose new pairs of jelly beans from...
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Tracking a Virus
Students simulate the spread of a virus such as HIV through a population by "sharing" (but not drinking) the water in a plastic cup with several classmates. Although invisible, the water in a few of the cups will already be tainted with...
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What is the Best Insulator: Air, Styrofoam, Foil, or Cotton?
Students investigate the properties of insulators by attempting to keep a cup of water from freezing, and once it is frozen, to keep it from melting. They conduct the experiment, record and analyze the results, and answer discussion...
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One World Ocean
Students compare and contrast the properties of salt water in the oceans/seas and freshwater elsewhere on the planet. They also analyze mixing caused by currents in the ocean, including the effects of warm and cold water as well as with...
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A Recipe for Air
Young scholars create a pie graph using M&Ms to demonstrate the composition of air. They label each section of the graph, and list the fractions from largest to smallest.
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Dangerous Air
Students investigate how pollution is a global issue. They locate the countries affected by radiation from Chernobyl, sequence the progress of radiation transport from Chernobyl and plot the pollution points on a world map, and read and...
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Potato Power
Students light a LED clock or light bulb using potatoes. They examine how a battery works in a simple circuit. They determine how chemical energy changes to electrical energy while experimenting with potato powered circuits.
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Two-Cell Battery
Students build their own two-cell battery and determine which electrolyte solution is best suited for making a battery. They discuss background information for their experiment, construct and test their battery, and using the chart on...
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Kidney Filtering
Students investigate how kidneys function. They discuss how a dialysis machine works, and conduct an experiment in which they filter different substances through a plastic window screen, various sizes of hardware cloth, and poultry...
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Environment: Battling for Oxygen
Students construct an interactive ozone depletion model using gumdrops and toothpicks. After analyzing the data obtained from the model, they record it on butcher paper and complete worksheets about oxygen.
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One Path
Students discover that charge movement through a circuit depends on the resistance and arrangement of the circuit components. In a hands-on activity, students build and investigate the characteristics of series circuits. In another...
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Light Your Way
Students investigate how a simple series circuit functions. They design and construct a working portable flashlight, develop a written plan for the flashlight, test their flashlight for functionality and reliability, and draw the series...