'Alexander Hamilton' Author, Ron Chernow, discusses the history of social, political and economic divisions in the U.S.

What to do when making videos for flipping education. Many thanks to Ray Lu, Ken Bauer @ken_bauer, Audrey McLaren @a_mcsquared, and Nicole Avon @AvonPhysics for volunteering to be in this video!

It’s a Colors Touch and Learn Song for kids! Sing along to the Colors Touch and Learn Song and learn or teach colors for children! A great song to learn the English color names for kids in English. Listen to the song to touch and learn...

In this video, we will explore the VBA Editor.

The life and history impact of Founding Father George Washington.

An electrolytic cell is a system that breaks down chemical compounds by electrolysis.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

This clip looks at Russian history during the revolutionary period of 1917-1922.

Mutual dependence between organisms or systems.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

Organic molecules that contain long carbon chains or rings and which tend to be insoluble in water, though soluble in organic solvents.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

A layer of gas surrounding a planet or star, held in place by gravity.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

This Quantitative/Qualitative Translation question also works as a part of the AP Physics C: Mechanics curriculum.

This video will explain the process you go through to conduct an Acid/Base Titration using a Strong Acid and a Strong Base. We also show you an easy way to do acid/base titration calculations!

In the late 1770s, U.S. patriots banded together to declare independence from Great Britain. But why did they want their independence and what kind of country did they want the United States to be?

America really has been at war with Russia. Not in the Cold War sense, but a real shooting war with Allied troops invading the motherland. Don't believe it? Just watch and find out. This war changed everything for US-Soviet relations and...

In the latest video I go through the in inverted U theory and discuss the techniques to control arousal levels. As always the videos are linked to the GCSE PE specification and I’ve tried to include so good examples to support your...

Series | The Integral Test: Theory and 1 Full Example

In October 2017, the city of Santa Rosa was hit by the deadliest and most destructive wildfires in California state history. Local resident Gerald Buhrz remembers that night vividly, having only just narrowly escaped with his wife to...

Python comes with a database built into it, SQLite, that you can use in your own Python programs to store and retrieve structured data, using the SQL syntax common to databases. In this video you'll see a quick example of how to do this.

This is a remake of our original Albany Plan of Union and Committees of Correspondence video, which had bad audio. Teachers, get our American Revolution workbook hereref='http://amzn.to/2y3qpage target='_blanInstagramofollow'>here...

Music students download the technique of their favorite pianist or singer directly into their brains. Medical students download the skills of a seasoned surgeon or diagnostician. And each one of us routinely uploads our thoughts and...

Can a special dance really make it rain? Find out with this funky tune that gets kids dancing, grooving, and learning about the weather.

A systematic arrangement of the chemical elements.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...