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How Photocells Work
Give small groups of physical scientists tokens that represent electrons in a photovoltaic cell. They play a dice game in which they move the tokens around, representing the flow of electrons through the p-n junction of a semiconductor...
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Castaway or Survivor
What a clever idea! Chemistry learners imagine themselves deserted on an island with a radio, but no batteries. They also have a few odds and ends in their pockets and storage chest. They are challenged to create a battery that will...
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Electrostatics
Students examine ways positive and negative charges are attracted and repelled by watching teacher demonstrations, and complete activity sheet related to classroom demonstration activities to prove proficiency of knowledge of...
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Circuit Lab
Pupils explore the properties of electricity. This lab shows students the need for a circuit in order to have a flow of electricity. It demonstrates Ohm's law, which relates voltage, current, and resistance.
Bonneville
Exploring Buck and Boost Converters
Boost one's knowledge of converters. The fourth of seven installments in the Off the Grid unit looks at buck and boost converters, which lower and raise the input voltage. Scholars apply the converters to adjust the output voltage to...
Bonneville
DC to AC to DC Efficiency
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...
Bonneville
Designing a Solar Phone Charger
What a bright idea! Working in groups, scholars design a solar phone charger by applying concepts from the unit. They use solar modules and buck and boost converters in their creations, which must be able to charge a phone after...
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Ammeter Design
In this ammeter worksheet, students answer 13 questions about the design of ammeters and they mathematically analyze a circuit they design and build.
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Design Project: Intercom System
In this electrical worksheet students design an intercom circuit and answer 2 open-ended questions about the volume control and microphone of the intercom. This worksheet can be printed and the answers to the questions are available...
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Safety Grounding
In this grounding worksheet, students answer 12 questions about electrical power systems, the importance of grounding and electric shock.
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Linear Computational Circuitry
In 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....
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Electromagnets
Learners conduct a series of experiments on electromagnets. In this physics lesson, students build their own electromagnet and explain how it works. They determine the factors that affect its strength.
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Stepper Motor
Students compare a stepper motor from a traditional motor. In this physics instructional activity, students summarize how it works. They build their own stepper motor and explore its uses.
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Home Electrical Safety
Learners explain the danger of incorrectly wired plugs. For this physics lesson, students construct their own safe plug. They share the finished project in class.
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Build a Tesla Coil
Students explore tesla coil through various experiments. In this physics lesson, students build their own tesla coils based on a given procedure. They discuss its real world applications.
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Peak, Average, and RMS Measurements
In this voltage worksheet, learners answer ten questions about RMS amplitude, DC power sources, AC alternators and the measurements used for voltage in power lines.
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Magnets
In this magnets instructional activity, students describe the differences between a generator and a motor, define electromagnet, and identify a circuit as parallel or series. This instructional activity has 2 short answer questions, 5...
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Applied Science - Technology (3A) Post Lab
Third graders discuss how energy is created. In this energy lesson, 3rd graders look at how a city receives energy and how it is made. They create their own generator using a pin wheel and pipe cleaners.
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On The Move
Fourth graders solve basic mathematical problems. They identify and apply key terms and equations relative to physical science. They discuss how train engines use fuel to move a generator, which creates electrical current that moves...
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Construction of an Ammeter and a Voltmeter from a Galvanometer
Students explore series and parallel circuits. In this physics lesson, students construct a simple circuit and measure its maximum current. They construct their own voltmeter and ammeter that operates at a specified range.
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The Quest For Power
Students investigate and apply properties of math. In this algebra and physics instructional activity, students define important vocabulary words to create a basic understanding of keywords. They perform experiments using concepts of...
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The Shocking Truth About Fruit
Looking for a great instructional activity on circuits and conductors of electricity? Take a look at this one! In it, 6th graders create circuits out of pennies, washers, alligator clips, fruit, and LED’s. Learners use voltmeters to...
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TE Activity: Ohm's Law 2
High schoolers study Ohm's Law 2 after completing an activity about Ohm's Law 1. They determine how long it takes to charge a battery. They examine if it is better to use batteries in series or parallel circuits.
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Using Transistors: Let's Get Transistorized!
Students build two circuits and explore how transistors function. This activity allow them to observe the operation of a transistor as an amplifier.