We think we know how mountains form. Plate tectonics causes rock to be pushed up at fault boundaries. Except that model is hard to prove, and a new study suggests it might actually be a lot more complicated.

Jessi and Squeaks learn all about crystallization while they make some yummy rock candy!



Second Grade Next Generation Science

Standards

Disc

iplinary Core Ideas:

PS1.A: Structure and Properties...

Geysers are amazing natural formations that shoot magma-heated water from deep below the Earth's surface! What could possibly be cooler than that?!

In this video Paul Andersen explains how chemical reactions progress as bonds are broken and reformed reformed. He explains the difference between changes in state and changes in molecules. He discussed collision theory and explains...

Mr. Andersen explains the difference between physical and chemical changes. A brief discussion of chemical reactions and equations is also included.

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. ...

This engaging program explores the concept of thermal energy. Animations, along with video footage, describe the relationship between moving particles and heat. Special attention is given to the process of energy transfer.This video...

Let’s talk about the unsettling legend of changelings, creatures said to replace humans with eerie, imperfect copies. What are the historical, cultural, and psychological roots of this folklore?

Dr. Boyd explains the basics of laboratory safety. Stick around for the quiz at the end. This is part of Science Made Simple's "Summer Science Series!"

Cheese fondue is one of the great melted-cheese dishes of the world, and it couldn't be simpler—but getting it right requires paying attention to a few key points.

Howcast - Blanching vegetables by cooking them briefly in boiling water and then chilling them in ice water keeps veggies tender-crisp, colorful, and full of flavor. Try this technique for your next crudite platter, when freezing your...

Howcast - Skip the stuff in a jar and start from scratch for spaghetti sauce -- your recipe may turn out better than your mom's.

Howcast - Learn how to make lobster tacos from Brooklyn Taco Co. chef/owner Jesse Kramer in this Howcast video.

Howcast -Lentils are legumes -- like beans -- and are a traditional food enjoyed by people throughout the world. Here are some recipes to prepare them.

Howcast -Learn how to make wonton soup from Asian Fusion chef Jenny Wang in this Howcast video.

Howcast - There are simple tasks and then there are incredibly simple tasks. Boiling water is even simpler than that. But hey, nobody's calling you a moron—there's a first time for everything.

Nothing says this is going to be a great party like Jell-O shots. Here's how to make them.

Does the idea of peeling potatoes deter you from cooking them as often as you'd like? Try this trick.

No coffeehouse or cappuccino maker in sight? Whip up a tasty instant version with a little ingenuity and some common ingredients.

Ever wonder how punks get their hair to stand straight up like that? Stop staring and give yourself a mighty Mohawk!

Getting dishes clean with dirt only sounds contradictory. It's actually a great way to remove food particles in lieu of soap in the great outdoors.

Make your own custom tea using your favorite fruits, fresh herbs, or aromatics with a French press or a teapot.

Learn the chef's secret to perfect, poached eggs every time.

Ramen, EXPLAINED