Mr. Andersen shows you how to draw Lewis Dot Diagrams for atoms and simple molecules.

Disclaimer: This is very different than the usual Crash Course US History episode.



In which John Green lists a whole lot of the battles of the US Civil War in seven and a half minutes. We get a lot of requests for military...

Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by...

A song of ants and fire and ant-decapitating flies.

In this shorts math video, we will answer a standardized math test question about the conditional probability of drawing a blue marble from a bag of marbles. We will review the information provided to understand the number of marbles in...

In this video, we will briefly understand the concept of regression and how regression analysis predicts data value.

After learning about hypothesis testing, we will now understand the significance level of a hypothesis.

This is a brief synopsis of hypothesis testing and what you will learn about in this section.

In this video, we will understand the central limit theorem intuitively. We will explore this concept online using the onlinestatbook.com webpage.

This is a practice exercise to understand better the Bayes theorem concept with a more advanced practical exercise.

This video provides an elaborate and detailed solution to the practice exercise of the rule of multiplication concept.

Uncle Gobb and the Green Heads – Illustrator

This video discusses how to draw conclusions while reading.

Video on how using parallel structure makes writing balanced.

A video entitled "Experimental Probability Model" which shows what an experimental probability model is and how to build one.

A video entitled "Create Triangles" which shows how to draw a triangle with a compass and straight edge.

Critical thinking is the intentional process of analyzing information using logic, reasoning, and creativity to make better judgments and decisions. It is a broad skill that can be applied to various situations, such as job interviews,...

Learn how to do a pencil drawing from artist Rebecca Schweiger in this Howcast drawing tutorial.

Howcast - Create an image that makes you feel comfortable, cool, and confident.

Howcast - Every year, people in over 100 countries celebrate Earth Day. Here are some projects designed to make the day especially meaningful for your class.

Howcast - Learn how to decorate a balloon animal from magician Jonas Cain in this Howcast video.

Howcast - Learn about the best bathing suit styles for pear-shaped women from swimsuit expert Candace Draper in this Howcast video.

Howcast - Learn how to get drag queen eyes and eyebrows in this Howcast Halloween makeup tutorial with artist Kenneth Llambelis.

Howcast - Surprise someone on your holiday list with a pyramid pop-up card. Here's how to make one.