In this AC waveforms instructional activity, students answer ten questions about AC voltage, frequencies of waveforms and they interpret diagrams of AC voltage.

High voltage power lines deliver electricity to homes, but each home requires low voltage. How does the energy get converted so it can be used safely? Pupils explore alternating current and transformers through a simulation. They control...

An informative physics lesson includes two teacher demonstrations, one on AC currents and the other on DC currents, allowing pupils to take notes while watching. The resource includes questions to assign as homework or...

You've got the power! With this physics midterm, you have the power to assess learners' grasp of electricity concepts. The exam is neatly formatted and provides a variety of question types: true or false, multiple choice, and problem...

In this AC phase activity, students answer 24 questions about AC and DC voltages, phasor diagrams, sine wave graphs and Lissajous figures.

The power to learn about AC and DC power lies within everyone. The fifth of seven installments in the Off the Grid unit continues the investigation of the efficiency of a USB charger. Individuals use an inverter that converts DC power to...

In this activity, students are asked 11 questions about AC currents and transformers and volt meters. Students can check answers online.

In this AC circuits worksheet, students answer 75 questions about series and parallel circuits including building and analyzing their own circuit mathematically, interpreting schematics of AC circuits and finding total impedance of...

In this AC networks worksheet, students analyze and answer 24 questions about AC circuits. They calculate impedance values, they determine phase shifts, and they solve complex number arithmetic used to analyze AC circuits.

In this electrical circuit worksheet, students draw a schematic design and build a op-amp model to show understanding of AC-negative feedback op-amp circuits before answering a series of 14 open-ended questions with schematics. This...

In this AC circuits worksheet, students answer 26 questions about series-parallel combined circuits,. They find capacitance, resistance, total impedance, the output voltage and they complete schematics of the circuits.

In this physics instructional activity students complete several circuit building exercises then answer a series of short answer questions based on diagrams. 

The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...

Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a...

Electricity is the focus of this college-level midterm exam. It requres physics learners to answer multiple choice and short answer questions in addition to evaluating several diagrams and graphs. This is appropriate for most high school...

In this voltage learning exercise, students answer ten questions about RMS amplitude, DC power sources, AC alternators and the measurements used for voltage in power lines.

In 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.

In this circuits worksheet, students answer 25 questions about passive integrator circuits and passive differentiator circuits given schematics showing voltage. Students use calculus to solve the problems.

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...

For this mutual inductance worksheet, students answer 12 questions about electric currents, voltage, magnetic coupling, and magnetic flux as they relate to inductance.

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...

Students investigate the properties of capacitors and discover that capacitors block DC and filter AC. They discover the function of capacitors. Students differentiate between AC and DC power. They explore the role of resistors.

In this science activity, students use the clues given at the bottom of the sheet to solve the crossword puzzle on electricity. They identify a simple device that generates electricity and a substance that allows electrons to pass...

In this electrical worksheet, students design and build a circuit board to grasp the understanding of DC-AC circuit design before answering a series of 25 open-ended questions that include schematics. This worksheet is printable and...