Curated OER
Light Bulbs Save Energy
Students read a story called New Bulbs Provide More Light, Save Energyand answer vocabulary and comprehension questions about it. In this current events energy saving light bulb lesson plan, students respond to literature by answering...
Curated OER
December Math
In this December math worksheet, students click on the links to help them answer math problems dealing with issues in December such as electricity, tree shapes, and money. Students complete 7 problems total.
Curated OER
Function Junction
Students identify the internal and external components of computers, robots and fan. In this physics lesson, students draw a circuit diagram of their electronic components. They create a battery tester in the lab.
Curated OER
Through Other Eyes
High schoolers describe the structures of crustaceans and the features that give organisms capabilities that exceed those of humans. In this investigative lesson students replicate some of the features of photo-receptors in a...
Science Struck
Science Struck: Different Types of Diodes
Explains what a diode is and what its purpose is, and describes eight different kinds of diodes.
Science Struck
Science Struck: How Does a Diode Work?
A short ebook (with some embedded ads) that explains how diodes work, some different types, and some applications of diodes.
Science Buddies
Science Buddies: Wire Wilt: Light Emitting Diodes Fade as Temperature Increases
In this electronics science fair project, students will investigate how the output of an LED flashlight changes as its temperature increases.
Creative Science Centre
Creative Science Centre: Diode Ladder Voltage Multipliers
Explains the design of circuits that can be used to multiply and rectify AC voltages, e.g., to increase voltage in order to light an LED more effectively and get a brighter light from it.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Semiconductors
In this interactive, manipulate the semiconductor to create a diode, and then watch the electrons change position and energy.
Science Education Resource Center at Carleton College
Serc: Investigation of Semiconductors
Using a web quest, simulations, and hands on activity, students will gain a basic understanding of semiconductors, diodes, and photovoltaic cells. In these activities students will learn how electrons migrate in semiconductors and...
Other
Easyphysics: Chapter 15 the Circuit
Learners investigate circuits. Some topics examined are a photo resistor, capacitor, and diode. The resource includes a circuit applet.
National High Magnetic Field Laboratory
Magnet Academy: Audion
In 1906, American physicist Lee De Forest invented the Audion (or triode), building on John Fleming's discovery of the diode just a few years before.
CK-12 Foundation
Ck 12: Physical Science: Electronic Component
[Free Registration/Login may be required to access all resource tools.] Overview of electronic components: semiconductors, diodes, transistors, and integrated circuits.
Lawrence Berkeley National Laboratory
Berkeley Lab: Did You Ever Wonder? The Invisible Wonders of the Nanoworld
Students investigate the invisible marvels of the nanoworld. Some topics examined are nanometer, nanostructures, and a diode. The resource consists of pictures, quotes, and links to additional resources.
Khan Academy
Khan Academy: Electrical Engineering: Semiconductor Devices
An explanation of diodes as they relate to semi conductor devices.
TeachEngineering
Teach Engineering: Catching the Perfect Sar Waves!
Students learn the importance of the Pythagorean theorem as applied in radar imaging. They use a sensor unit with IRED (infrared emitting diode) to measure triangle distances and the Pythagorean theorem to calculate and verify distances....
TeachEngineering
Teach Engineering: What's the Conductivity of Gatorade?
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...
TeachEngineering
Teach Engineering: Traffic Lights
Students learn about traffic lights and their importance in maintaining public safety and order. Using a Parallax Basic Stamp 2 microcontroller, students work in teams on the engineering challenge to build a traffic light with a specific...
Nobel Media AB
The Nobel Prize: The Transistor
This site from the Nobel Foundation provides detailed information on how the transistor works. The site provides illustrations and animations to help clarify the concepts presented.
Creative Science Centre
Creative Science Centre: Led's
There are so many different types of LEDs on the market (even of the same size and color), how do you tell the difference between them and which one you should use for your particular application? The simple tests descibed here compare...
University of Houston
University of Houston: Engines of Our Ingenuity: Fleming's Electric Valve
Provides background information on the Edison Effect and then discusses Fleming's invention.
University of Kentucky
Virtual Workshop: The Course on Electricity & Magnetism
On line course on Electricity and Magnetism for graduate credit or professional development, that emphasizes hands on activities you can use in your classroom.
University of Oxford (UK)
University of Oxford: Easy Laser Physics
This is a site which explains the inner workings of Lasers. The site is detailed in its explanations but is easily understood at the junior and senior high school level.
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