From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has...

Explore the origins of one of the coolest geologic formations in the world, West Africa's Richat Structure.

Explore the origins of one of the coolest geologic formations in the world, West Africa's Richat Structure.

Cliffs and canyons, beaches and dunes, floodplains and river valleys, plateaus and mountains — these are all products of a restless Earth. In today’s episode we’re going to take a closer look at how landforms greatly influence how people...

Short 2 minute video for middle school students describing rock formations.

Naturally occurring rock that has been transformed by heat and pressure in the Earth's crust.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

The properties of water and its uses, depend on its mineral content. What minerals are found in water and how do they affect it? Chemistry - Periodic Table - Learning Points. Water contains dissolved mineral ions, such as sodium, calcium...

An explanation of the geological processes which lead to the formation of different types of rock. Earth Science - Geology - Learning Points. There are three types of rock: sedimentary, igneous and metamorphic. Sedimentary rock forms...

Rocks are constantly on the move. Eroded by water, sinking into the sea, and ejected by volcanoes, rocks have their very own cycle of existence. Earth Science - Geology - Learning Points. The rock cycle is the process of rocks weathering...

Rocks that form by the cooling and solidification of magma or lava. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

Find out how diamonds are formed within igneous rock.
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Learning Points
Diamonds are form
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Four types of rock are shown on screen, but which is not a classification of rock?
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Learning Points
Igneous, sedimentary and metam
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Find out how different types of rocks can be classified depending on how they were formed.
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Learning Points
Sedimentary rock is...

Dr. Forrester explains the three types of volcanoes.

Dr. Forrester explains the transformation of rocks during the rock cycle.

Dr. Forrester explains the three different classifications of rocks: igneous, sedimentary, and metamorphic.

Dr. Forrester explains the rock cycle.

Dr. Forrester explains the three layers of the earth and the three classifications of rocks.

Learn the 3 Types of Rocks and The Rock Cycle with this educational video by KLT!

We've spent quite some time discussing igneous rocks, sedimentary rocks, and metamorphic rocks, their properties, and the conditions under which they form. Now it's time to zoom out and see how they are all connected in something called...

“Minerals into Mountains” explores the differences between rocks and minerals, including how each is formed, and discusses how some of the same processes affect plate tectonics.

This video shows how to model the rock cycle using crayons! Try it out and make colorful sedimentary, metamorphic, and igneous "rocks" using crayon shavings.

This program helps students to understand what a rock is and how rocks are formed. Using real world footage, the video shows and identifies examples of minerals with crystalline structures and then shows the same minerals in common rock....

This visually exciting program explores the world of rocks and minerals and shares what he learns with viewers. Combing animation with live video footage, the program demonstrates how rocks are formed and how they change. Students will...