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Racing with the Sun: Creating a Solar Car
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Learners use engineering design principles to construct and test a fully solar-powered car. Solar car kits usually include a photovoltaic cell and motor; some include a chassis as well.

EEEEK--A Mouse!
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In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.

Can You Copperplate?
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In this activity, learners explore chemical engineering and how the processes of chemical plating and electroplating have impacted many industries.

Exploring the Solar System: Stomp Rockets
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In "Exploring the Solar System: Stomp Rockets," participants learn about how some rockets carry science tools—not scientists—into space, and how a special kind of rocket called "sounding rockets" can

Yogurt Cup Speakers
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Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound.

The Power of Graphene
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This lesson focuses on graphene and its electrical properties and applications.

Build an Electromagnet
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In this activity, learners will build a simple electromagnet. They will test variables that would make the electromagnet stronger.

Using Ohm's Law to Build a Voltage Divider
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In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values.

Mechanical Madness
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In this online Flash game, learners test their engineering know-how, moving a collection of mechanical parts onto a board to make complete a system of parts that will move a ball from start to finish.

Solar Water Heater
Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

Cleaning Air with Balloons
Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

Wire Maze
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Learners create an electrical-circuit maze out of wire, then try to pass a paperclip through the maze without touching the wire.

Series and Parallel Circuits
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In this activity, learners demonstrate and discuss simple circuits as well as the differences between parallel and serial circuit design and functions.

Two Button Buzzer Circuit
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In this activity, learners explore an everyday situation, where either of two or more buttons can ring a buzzer.

Exploring the Nanoworld with LEGO Bricks: Structures and Their Construction at the Nanoscale
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In this activity (pages 42-49), learners discover the methods and challenges of building nanoscale structures with macroscale equipment.

Build a Bubble Circuit
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In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.

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.

Minibot
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In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

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.

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.