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Neurotransmitters Contain Chemicals
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In this activity, learners play a simple card game to learn the sequence of events in the transmission of nervous system signals.
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Latent Prints
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In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).
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Electrical Fleas
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In this activity about electricity, learners explore how static electricity can make electric "fleas" jump up and down. Learners use a piece of wool cloth or fur to charge a sheet of acrylic plastic.
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Magnetic Spinner & Compass
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Learners use shop tools and various materials to construct a magnetic spinner and a compass.
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Charge Challenge
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In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.
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Going for a Spin: Making a Model Steam Turbine
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.
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Eddy Currents
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In this activity related to magnetism and electricity, learners discover that a magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.
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Aluminum-Air Battery: Foiled again!
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Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.
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Waterless Snow Globe
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In this activity, learners will investigate static electricity as they create waterless snow globes.
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Cup Speaker
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Make your own speaker with a magnet, wire, and paper cup! If you have a radio with a headphone plug and an old pair of headphones, this is a great tinkering activity.
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Fruity Electricity
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In this activity, Frankenstein's lab is running out of electricity! Learners use fruit to help Igor find a temporary source of energy to turn on a light.
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Make a Speaker: A Coil, a Magnet, and Thou
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Make your own simple speaker so you can listen to your favorite radio station. Just wind a coil, attach it to a piece of cardboard or Styrofoam, hold a magnet nearby, and listen.
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Build a Battery
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Learners make a simple battery out of "sandwiches" of aluminum foil, pennies, and a salt water-soaked paper towel.
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Iron for Breakfast
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Did you know that some breakfast cereals are fortified with ferric phosphate, while others contain tiny pieces of reduced iron?
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Light Combinations
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In this activity about magnetism (page 17 of the pdf), learners experiment with magnets, exploring the concept of diamagnetic materials by seeing how a grape reacts to a magnetic field.
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Stripped-down Motor
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In this activity, you'll make an electric motor--a simple version of the electric motors found in toys, tools, and appliances everywhere.
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Make Your Own Compass
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In this physics activity (page 8 of the PDF), learners will make their very own working compass.
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Short Circuit
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In this activity about electricity, learners explore what happens when you blow a fuse.
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Motor Effect
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In this activity about electricity and magnetism, learners examine what happens when a magnet exerts a force on a current-carrying wire.
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Geothermal Power Plant Model
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In this activity, learners make a model of a power plant that uses steam. Learners use simple materials like foil, a tin can, and a pot of water to model a geothermal power plant.