C-SPAN
On This Day: The Battle of the Alamo
A thought-provoking resource shares information on the Battle of the Alamo and its lasting impact on history. Scholars learn about Davy Crockett, a famous frontiersman, killed defending the Alamo. Video clips also explain that...
TED-Ed
The Secret Student Resistance to Hitler
Hans and Sophie Scholl were part of The White Rose, a student-lead Hitler resistance group. Find out more about these brave siblings in a short video that details their work and the price they paid for standing up for their beliefs.
TED-Ed
From Pacifist to Spy: WWII’s Surprising Secret Agent
Radio operators acting as spies for the Allies during World War II didn't survive very long, six weeks at most. But one woman, Noor Inayat Khan, due to her quick thinking and charisma, managed to survive twice that long and forward...
American Chemical Society
How Do Hand Sanitizers Work?
Many hand sanitizers claim to kill 99.9 percent of bacteria—is that true? Learners explore how hand sanitizer actually works and how effective it is in an interesting video. They learn how hand sanitizer works to break apart the...
Crash Course
Electrical Power, Conductors, and Your Dream Home: Crash Course Engineering #21
Have young engineers always wondered how a light bulb works? Now's their chance. Viewers of an illuminating YouTube video learn about electric current, conductivity, and resistance. They see how engineers use low-conductivity conductors...
Crash Course
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...
DoodleScience
Diodes, LEDs, Thermistors and LDRs
Why did the capacitor kiss the diode? He just couldn't resistor. LEDs, thermistors, and LDRs are the focus of this video that explains how diodes work in circuits based on the amount of resistance in different directions.
DoodleScience
Resistance
Want a quick explanation for how resistance works as an electric current flows through a wire? Then check out this video that covers electrons, conductors, ions, and the formula for resistance. It also graphs how voltage varies...
Flipping Physics
AP Physics 1: Electricity Review
Are your scientists needing a review of the electricity concepts that will appear on the AP Physics test? This fast-paced video offers a comprehensive review of the topic. It also includes common misconceptions and test-taking tips.
Khan Academy
Khan Academy: Introduction to Circuits and Ohm's Law
Learn the basics of circuits with this video. Video will define current and resistance to explain how electrons flow to create electricity. [11:39]
Science Friday Initiative
Science Friday: Celebrating the Superconductor, as It Turns 100
Since their discovery, superconductors have been used for particle physics, mag-lev trains and MRIs. Physicist David Cardwell discusses their use for applications as diverse as particle physics experiments and magnetic resonance imaging.
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]
Cells Alive
How Penicillin Kills Bacteria
Photographs, a short QuickTime movie and accompanying text explain how penicillin kills bacteria. Try out the links to other sites about penicillin and antibiotic resistant bacteria.
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: Electricity and Magnetism: Circuits (Part 4)
Analyzes a more complicated resistance problem. [7:06]
Khan Academy
Khan Academy: Blood Pressure: Adding Up Resistance in Series and in Parallel
Learn about how resistance can be added up in series and in parallel (similar to electrical circuits!). Rishi is a pediatric infectious disease physician and works at Khan Academy. [10:33]
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: Blood Pressure: Pressure, Flow, & Resistance
See how pressure, flow, and resistance relate to one another and how they each affect the human body. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:50]
Khan Academy
Khan Academy: Resistance: Listen to Variable Resistance
Here we draw a line on a page and use it as a variable resistor in series with a speaker. What relationship do we hear? Does it sound linear? [1:11]
Khan Academy
Khan Academy: Resistance: Series Load
A demonstration showing a current change due a load. Understand why the deflection changes when an electromagnet is attached to the circuit. [1:11]
Khan Academy
Khan Academy: Electricity and Magnetism: Circuits (Part 2)
A discussion of how resistors work in a series. [11:07]
Khan Academy
Khan Academy: Resistance: Pencil Resistor
A pencil causes a change in the deflection, similar to the effect of adding an electromagnet. Why? Watch this video as a pencil is used in a circuit as a resistor! [1:03]
Other
The Electric Academy: Combination Circuits
Combination circuits can seem daunting at first. If you remember the rules of series and parallel circuits you'll be just fine. This video demonstrates how to make calculations about power and resistance in a mixed circuit. [10:23]
Khan Academy
Khan Academy: Adding Up Resistance Problem
Here's a chance to see if you can combine what you know to add up resistance in series AND in parallel. Rishi is a pediatric infectious disease physician and works at Khan Academy. [3:21]