In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. ...

Or why we live on an onion made of magma

Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...

In this video Paul Andersen compares and contrasts transverse and longitudinal waves. Waves carry energy through oscillations. In transverse waves the oscillations are perpendicular to the direction of the wave and in longitudinal they...

Have you tried to dig a deep hole? So deep that you could dig all the way to the other side of the Earth? It's pretty hard, and lots of people have tried. So what's stopping us from digging through the Earth? It has something to do with...

What happened March 27, 1964? Alaska knows very wellÉ Join us to learn more about earthquakes with host Hank Green on this infusion of SciShow.

Plate Tectonics Explained

Get to know Olympus Mons on Mars, the biggest volcano in the solar system, and find out why a planet that's smaller than Earth has volcanoes that are bigger than ours!

Why is it Hot Underground

We all know that the Earth is huge, but what is it made of? Join Jessi and Squeaks for a fun activity to learn about Earth's layers, and to make your own model of Earth!

This video uses a cake analogy to describe Earth's structure. It compares the Earth's crust to cake batter, the mantle to a mixed ingredient layer, and the core to the sweet, hot center of the cake—highlighting the different types of...

This video is answering the question of can earthquakes only happen on Earth.

A video entitled "Circumference of a Circle" which shows how to use diameter or radius to calculate the circumference of a circle.

short 2 minute video describing tectonic plates and mountain building

2 minute video describing plate tectonics and their impact on earthquakes

Howcast - Learn how to make a crusty bread in this bread making video from Howcast.

Howcast - Have your pie and eat it, too, with tips for lightening up almost any pie from crust to topping.

Howcast - Learn how to deep-fry chicken in this Howcast video, part two of a three-part series.

Howcast - Learn how to make chicken-fried bacon from chef Adrian Ashby in this Howcast food video.

Howcast - Treat your guests to a morsel of chocolaty decadence after dinner.

With this recipe in your arsenal, you'll be the envy of professional bakers.

Whoever coined the phrase "easy as pie" was talking about eating it, not making it. Here's how to simplify matters and get delicious, flaky pastry.

How to do "Everything", September 28, 2009, ABC Nightline News

Apple pie is an American favorite, but its sugar and calories counts are far from favorable. Here’s a skinny – and delicious – makeover for this classic dessert._x000D_