Curated OER
Solar Kit Lesson #13 - Solarize a Toy
Physical science or technology classes will be invigorated by this challenge: to convert a toy, game, or other device to run on solar power. In doing so, they will design the appropriate solar arrays. This is an A+ lesson, complete...
Curated OER
Protective Relay Circuits
In this physics activity, students answer 4 short answer questions on protective relay circuits. They explain how differential relay works.
Curated OER
Positive Feedback Opamp Circuits
In this physics worksheet, students complete 12 short answer questions on opamp circuits. They also perform calculations of voltage in some items.
Curated OER
Design Project: Power Inverter
For this physics worksheet, students design and build a power inverter given a schematic diagram. They answer 3 short answer questions about the circuit they created.
DiscoverE
First You See It, Then You Hear It
Light and sound go hand in hand. Pupils set up a system that will emit sound when a laser is directed at a photodiode. Various objects, such as a comb and talcum powder, allow for modulation of the laser beam. Individuals also...
Curated OER
Solar Kit Lesson #13 Solarize a Toy
Students work in teams they select a low-power toy, game, or electrical deive to "solarize," or convert to solar power. They determine the operating voltage of their chosen device and design a solar array to provide this level of...
Curated OER
Linear Computational Circuitry
For this electrical worksheet, students draw a schematic design circuit board to grasp the understanding amplification in linear circuitry before answering a series of 35 open-ended questions pertaining to a variety of linear circuitry....
Curated OER
Impedance
In this physics worksheet, students complete 19 questions on impedance. They solve a series of mathematical and conceptual problems.
Curated OER
Electromagnetic Induction
Students are introduced to the topic of electromagnetic induction. In groups, they describe ways in which the magnetic flux can change and discuss emf and current. They use different scientists laws and apply it to various scenerios in a...
Curated OER
Basic Ammeter Use
In this ammeter worksheet, students answer eleven questions about ammeters, multimeters and types of circuits. They identify different types of circuits given schematic diagrams.
Georgia Department of Education
Ga Virtual Learning: Electric Current and Circuits
Students have the opportunity to explore the basics of current and circuits in this online module. Some of the activities include interactive animations, informational text, practice problems, and lab experiments.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Circuit Construction Kit (Ac+dc)
This new version of the CCK adds capacitors, inductors and AC voltage sources to your toolbox! Now you can graph the current and voltage as a function of time. Java required.
CK-12 Foundation
Ck 12: Fourth Grade Science: Physical Science: Electric Current
[Free Registration/Login may be required to access all resource tools.] Defines electric current and relates electric current to different materials (insulators and conductors).
Boston University
Elementary Physics: Current and Resistance
A general summary of electrical resistance including a comparison of AC and DC current.
Physics Aviary
Physics Aviary: Rl in Ac Lab
This lab was designed to help students understand the difference between circuits powered by DC and circuits powered by AC. Students can see that simple changes in frequency lead to changes in the potential difference across the...
CK-12 Foundation
Ck 12: Physical Science: Direct and Alternating Current
[Free Registration/Login may be required to access all resource tools.] Describes the difference between direct current and alternating current.
Khan Academy
Khan Academy: Electrical Engineering: Circuit Analysis
Circuit analysis is the process of finding all the currents and voltages in a network of connected components. We look at the basic elements used to build circuits, and find out what happens when elements are connected together into a...
Physics Aviary
Physics Aviary: Rc in Ac Lab
This lab was designed to help students understand the difference between circuits powered by DC and circuits powered by AC. Students can see that simple changes in frequency lead to changes in the potential difference across the...
Science Struck
Science Struck: Difference Between Alternating and Direct Current
Explains what alternating current and direct current are and what they are used for.
Other
Ithaca Hs Ny/electrical Generator Ac or Dc/applet
What a lovely little applet! You can speed/slow it, change it from AC to DC, plot the voltage as it rotates, change direction, control other information. Real neat.
BBC
Bbc: Gcse Bitesize: Mains Electricity and Alternating Current Aqa
This lesson focuses on Mains Electricity and Alternating Current. Electrical supplies can be direct current (DC) or alternating current (AC). The UK mains electricity supply is about 230V at 50 Hz. It explains the difference between AC...
Creative Science Centre
Creative Science Centre: Dc Converter and Electrical Storage for Shake a Gen
This simple device uses a few components to rectify the alternating current (AC) from the shake-a-gen, store it in a capacitor and convert it into a steady direct current (DC). The output can be used to run a low power device. It is also...
PBS
Pbs American Experience: Edison's Miracle of Light
This site explores the various challenges Edison faced upon attempting to produce electric power. It contains a historical essay, a complete list of Edison's patents, information on the AC and DC currents, recordings produced by the...