Science Buddies
Magnetism & Electromagnetism Tutorial
This video provides an introduction to basic concepts in magnetism, including magnetic poles, magnetic fields, and electromagnets.
PBS
Pbs Learning Media: Experimenting With a Lemon Battery
Can a fresh lemon power a digital clock? In this video segment adapted from ZOOM, the cast shows you how this can be done and, in the process, discover how kids can be a part of an electric circuit. [5:05]
PBS
Pbs Learning Media: Ac Versus Dc: What's the Difference?
This animated essay from "American Experience" explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator. [2:27]
Science for Kids
Science Kids: How to Videos: Lemon Battery
A video demonstration on how to make a lemon battery with a copper penny, galvanized nail coated in zinc, wires, and a lemon. Video shows how to measure the amount of voltage produced by battery using a volt meter. [6:47]
University of Virginia
Uva Virtual Lab: Capacitor and a Resistor
In this simulation the cell will be used to charge a capacitor. The capacitor will then be used to operate a light bulb until the capacitor is discharged.
University of Virginia
Uva Virtual Lab: Capacitor Water Tank Analogy
Understand how an electric current flows in a circuit through an illustration of a water tank pushing water.
University of Virginia
Uva Virtual Lab: Bulbs in Series and Parallel
In this circuit the two light bulbs on the far right are in series with each other. The light bulb in the middle is in parallel to the other two light bulbs.
Other
Chris Mahl: Ac vs. Dc
Teacher Chris Mahl explains the differences between alternating current and direct current. [6:23]
Derek Owens
Derek Owens: Physics: Dc and Ac
Identify and understand the differences between direct and alternating currents. [8:29]
Other
Mitk12 Videos: Mit Physics Demos: Exploding Wire & Ohm's Law
When Natalia flips a switch, a huge explosion happens- watch and learn as she shows and explains Ohm's law. [2:24]
Crash Course
Crash Course Physics #28: Electric Current
So, electric current works like a river, kinda. Instead of flowing based on elevation, electric current works a little differently. But it's a good metaphor. In this video episode of Crash Course Physics, Shini talks to us about electric...
Khan Academy
Khan Academy: Resistance: Variable Resistor (Pencil)
We use the inside of a pencil (graphite) to apply different "lengths of pencil" to the circuit. What relationship do you observe between length of graphite and deflection angle? [1:27]
Khan Academy
Khan Academy: Bit Zee Bot: 19. Bit Zee's 5 Volt Power Distribution Board
In this video we hack apart a bread board to create a 5 volt power distribution strip. The 5 volts comes from the center pin in the motor controller and the negative or ground comes from the ground pin on the motor controller. [5:23]
Khan Academy
Khan Academy: Bit Zee Bot: 25, Bit Zee's Bumper Switches
In this video we create and wire Bit-zee's bumper switches for a Bit-zee Bot. [9:48]
Crash Course
Crash Course History of Science #27: Electricity
The study of electricity goes all the way back to antiquity. But, by the time electricity started to become more well known, a few familiar names started to appear. Edison, Galvani, Ohm, Ampere, Volta, and a few others really changed the...
Khan Academy
Khan Academy: Ap Physics 1 Review of Charge and Circuits
Need to review charge and circuits for your upcoming AP Physics test? This video reviews over electric charge, Coulomb's law, electric current, resistors in series and parallel, Ohm's law, Kirchhoff's law, voltmeters, and ammeters. [19:11]
Khan Academy
Khan Academy: Current Due to Closing a Switch: Worked Example
Find the current due to closing a switch using equivalent resistance and Ohm's law. [2:45]
Khan Academy
Khan Academy: Voltage as an Intensive Property
Demonstrating that voltage is an intensive property by calculating the voltage and change in Gibbs free energy for a half reaction. [5:22]
Khan Academy
Khan Academy: Question 2 Ab: 2015 Ap Physics 1 Free Response
See a worked example of question 2ab: 2015 AP Physics 1 free response.
Khan Academy
Khan Academy: Question 2 Cd: 2015 Ap Physics 1 Free Response
Testing if a bulb is nonohmic. [9:51]
Next Vista for Learning
Next Vista for Learning: Electrical Circuits: Current
Learn how to calculate the amount of charge that passes through a fixed point in a particular time. Video explains charge and equation to calculate current. [4:00]
Science for Kids
Science Kids: Physics Videos: Introduction to Electricity
Learn about electricity, and see how current, amperes, volts, and circuits are related as well as why electrical safety is so important. [5:16]