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### We found 219 resources with the concept voltage

Lesson Planet: Curated OER

#### Splitting Water with Electricity

Explore how electricity splits water molecules into hydrogen and oxygen. Learners begin by calculating the voltage necessary to separate the water. They then perform the experiment and measure the ratio of hydrogen and oxygen bubbles.

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#### Solar Cells: Juice From Juice

Unleash the power of ... blackberries! Science superstars create solar cells using the juice of berries or leaves of a citrus tree in an engaging lab. In addition to offering a plethora of resources, the teacher's guide gives background...

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#### Crooke's Tube

Behold, the electron is discovered! Take young scientists on a journey back through time to examine JJ Thompson's famous experiment using a Crooke's tube. Pupils manipulate the charge on the apparatus' horizontal plates, observe cathode...

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#### AC Circuits: Crash Course Physics #36

Take an in-depth tour of the world of AC circuits. Crash Course continues with its 36th lesson by describing the current and voltage of AC circuits. The instructor also includes a discussion of inductors, capacitors, and resistors in...

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#### Circuit Analysis: Crash Course Physics #30

Teach the ins and outs of parallel and series circuits. Using Christmas lights as a reference, the video instructor analyzes both parallel and series circuits. She models calculations of both current and voltage to finish the 30th...

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#### DC Resistors and Batteries: Crash Course Physics #29

All circuits are not created equal! Building on the previous lessons in the Crash Course series, the 29th lesson explains how electric current flows through a circuit. It spends equal time discussing both series and parallel circuits.

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#### Electric Current: Crash Course Physics #28

Explore the basics of electric current with an introductory video lesson. The 28th installment in the Crash Course physics series discusses characteristics of electric current. An explanation of Ohm's Law helps scholars understand the...

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#### Voltage, Electric Energy, and Capacitors: Crash Course Physics #27

Help your classes realize their potential! A thorough lesson on potential electric energy helps scholars understand the basics of voltage and capacitors. The instructor also shows how to calculate electric potential energy in the 27th...

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#### Making a Battery

Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...

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#### AC Transformer

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...

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#### Electric Analogies

We can see the result of electricity but not the process itself. The simulation compares electric circuits to a water tower and water wheel cycle. Young scientists adjust the height of the tower, the amount of resistance, and if the...

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#### Measures of Electricity

Not all electricity is created equal. A detailed video explains how to measure the strength of electricity using a voltmeter. The 31st installment of the 35-part series uses a demonstration to explain the process of measuring current and...

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#### Electrochemical Series

Viewers may find this lesson quite shocking if they're not careful! A detailed video presentation explains how to read an electrochemical series to predict the direction of a chemical reaction under an electrical circuit.

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#### Telegraph

Most pupils don't know what a telegraph is, much less how one works. A secret simulation has scholars pick the size of the primary and secondary loops, the battery voltage, and which letters in the Morse Code they want to transmit. They...

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#### Power Lines

How does electricity travel through power lines? The simulation demonstrates the how changes in voltage and resistance are related to the distance between power polls and the thickness of the cable. Scholars control three variables in...

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#### It’s Electric!

Shocking! Who knew so many great ideas existed for teaching middle schoolers about electricity? Find them all within this energetic framework. You'll light up at the variety of printable and web-based resources within! After building...

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#### Circuits Lab: Lightbulbs

Electrons flow from negative to positive, but the general consensus is that current flows from positive to negative. Scholars explore current through construction of circuits in both series and parallel. The focus is on voltage,...

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#### Electric Circuits

Investigate the construction of the electric circuit with a thorough presentation that provides a solid background for each type of circuit. After introducing key vocabulary, the lesson goes on to explain circuit design.

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#### Batteries

Young scientists study the construction of a battery through experimentation. They engage in five experiments which combine to create a thorough study of the history of batteries beginning with a model of the first battery.

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#### Complex Numbers

Build on your class' understanding of real numbers as they begin working with complex numbers. Pupils begin with an exploration of i and the patterns in the powers of i. After developing a definition for i, they simplify complex number...

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#### Using the Nernst Equation

Explore the application of the Nernst Equation to calculate a cell voltage. The instructor explains the purpose of the formula and its appropriate application. Using a specific example, he demonstrates the work required when using the...

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#### Capacitor Lab

The first capacitor was a Leyden jar, invented in 1745. Physics scholars explore capacitors in an engaging simulation. They may view one or set up circuits which contain two to three either in series or parallel. Other views include...

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#### Battery Voltage

Pupils explore modern batteries and how they work by viewing a simple simulation. It shows electrons moving around the insides and if the voltage is changed, little people move the particles from one end to the other — an entertaining...

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#### Battery-Resistor Circuit

Don't be resistant to physics! A simulation shows classes how a resistor works. Change the battery voltage and resistance to show how this affects the flow of electrons. Temperature and amps measurements are shown for the system as well.