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Electric Switches
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In this activity, learners incorporate a simple switch into a battery/bulb circuit. Learners will use their knowledge of circuits to design and make their own switches using common materials.

Power To Go
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Learners observe an electrochemical cell constructed from a small jar containing zinc and copper strips immersed in separate solutions. The strips are connected to a motor that turns a small fan.

Fruit Xylophone: Fruit Salad Instrument of the Future!
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This is a perfect summertime lunch activity! Pico Cricket is required (micro controller). First, get a bunch of cut up fruit, line them up, then plug a piece of fruit with a Pico Cricket sensor clip.

Electric Messages: Then and Now
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In this activity, learners explore electronic communication, the Morse Code system, and advances all the way through text messaging. Learners build a simple circuit, send messages to one another.

Flashlights and Batteries
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In this activity, learners explore how a flashlight works, showing the electric circuit and switch functions of this everyday household item.

Making a Battery from a Potato
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In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

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.

Bottle Cars
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In this activity, learners explore motion, energy, and electricity by constructing bottle cars that run on motors.
Shocking Fruit
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In this activity, learners discover how a piece of fruit can act as an electrolyte, conducting electricity between two different metals.

Glowing Pickle
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In this activity, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration.

Short Circuit
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In this activity about electricity, learners explore what happens when you blow a fuse.

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.

Static Spoons
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In this physics activity (page 6 of the PDF), learners will explore how static electricity affects surrounding objects.

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.

Neural Network Signals
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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

Trip Wire
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In this activity, learners build simple alarms that they can attach to anything, such as a drawer or doorway. This activity introduces learners to electricity, circuits, and currents.

Motor Bird
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

Clap Sensor: Build a Sound Sensor Using a Pico Cricket
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This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.

Control the Flow
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In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.

Speedboat
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In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.