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DC Motor Theory
In this physics learning exercise, students solve 12 problems on DC motor circuit. They make predictions and construct the corresponding circuit to verify if they are correct.
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Intermediate Electromagnetism and Electromagnetic Induction
In this electrical circuit worksheet, students answer a series of 24 open-ended questions about electromagnetism and electromagnetic induction. This worksheet is printable and the answers are revealed online.
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Electrifying Electricity
Students explore the basics of electricity using common everyday items as well as demonstrate how parallel and series circuits can be used in electronics and electrical devices. They explore how common items in their world can be wired...
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Telegraph System
For this telegraph system worksheet, students design a telegraph station and answer 4 questions about the voltage, the resistor values and various modifications made to their design.
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Design Project: DC Motor
For this DC motor worksheet, the learner answers 3 open-ended questions pertaining to the design of a DC motor. The worksheet is printable and the answers are revealed online.
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DC Transducers
For this DC transducers worksheet, students answer two questions about the Hall effect and the equation used for Hall effect devices.
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Electrical Conduction in Semiconductors
In this electronics worksheet, students explore the properties of semiconductors to complete 17 short answer and problem solving questions.
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Simple Circuits
Students investigate how series and parallel circuits work. In this physics instructional activity, students build their own simple circuits and compare their characteristics. They explain the importance of circuit breakers in household...
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Please Turn Up the Lights!
Eighth graders discuss series and parallel circuits and design an investigation to test a hypothesis on total resistance of series and parallel circuits in combination. After discussion, groups design their experiments, run tests, and...
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V, R, and I in Series Circuits
In this circuits worksheet, students learn how to determine total voltage, total resistance, and total current. Students also explore short circuits. This worksheet has 9 problems to solve.
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V, R, and I in Parallel Circuits
In this parallel circuits learning exercise, students learn parallel circuits basics and determine how to calculate total resistance and total current. This learning exercise has 6 matching and 15 problems to solve.
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Electromagnets: Winding Things Up!
Learners explore solenoids and electromagnets. After building an electromagnet, students use a TI Graphing calculator, a CBL 2 interface and a magnetic field sensor to measure the strength of a magnetic field. They create a graph of...
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Electric Current and Circuits
Compare the drift speed of conduction electrons in a current-carrying wire to the signal speed of changes in current. They also distinguish between DC and AC and describe how AC is converted to DC.
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Electric Field Mapping in 3D
Students create a 3D vector field map of an electric field. For this physics lesson, students measure the voltage inside an aquarium with water. They present their findings and map to class..
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Resistors and Scientific Notation
Young scholars explain the importance of scientific notation. In this physics lesson, students determine the resistance of resistors using the colored bands. They compare and contrast scientific notation and resistor band notation.
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Electrical Engineers for a Day
Students build a robot out of a 3-¿¿ inch floppy disk drive, two floppy disks, and some other miscellaneous supplies. They apply information they gather about electrical circuits from a web-based circuit design program.
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Maximum Power Point
Students investigate how to optimize the power output of a photovoltaic cell using a home-made gnomon stand. They use data collected to create current-voltage and power-voltage curves to determine the "maximum PowerPoint," (MPP) at which...
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Transformation of Energy-8th Grade
Eighth graders examine how electricity is produced in relation to the atom as well as what causes electric current to flow and what determines how much current flows through a circuit. These and other concepts of transformation of energy...
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Electrical Current
Students describe an electrical current and the factors that determine the resistance of an object. In this electrical current lesson students discuss their knowledge of voltage, current and resistance.
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