Search Results

30 Results for "volcano"

"volcano" Stuff:

ALL
Games
Stories
Hands-on
Videos
Cards
OLogy Card
Some volcanoes erupt explosively, like opening a shaken soda bottle, because their magma is full of gases.
Story

Find out what causes volcanoes to erupt and how scientists study them.
Game + Video

Volcanoes, tsunamis, earthquakes... Examine how plate tectonics affect our world!
OLogy Card
If you marked every active volcano in the world on a map, you'd start to notice a pattern. Most of the world's active...
OLogy Card
Most volcanoes form along plate boundaries. But some of the world's largest and most active volcanoes are found far f...
OLogy Card
Jim is fascinated with volcanoes. He wants to know why some volcanoes erupt explosively, and how he might be able to...
OLogy Card
Granite is an igneous rock, which means it formed from magma, or melted rock. It forms deep inside the Earth under a...
Story

Visit a scientist's lab to see how he creates a magma chamber!
OLogy Card
The Earth is always changing. Mountains form and erode away. Volcanoes erupt and grow larger. Earthquakes shift the l...
OLogy Card
Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens. They can form above ground wh...
Game

Take an expedition across the Martian landscape with this video, then test your knowledge!
OLogy Card
Ed Mathez has always been fascinated by rocks and the Earth. As a young boy, he went with his mother to old rock quar...
Story

Explore the layers of our planet: the crust, mantle, and core.
OLogy Card
When viewed from above, the wide-open sea is vast and flat. But venture below and you'll find a varied landscape that...
OLogy Card
Antarctica is like no other place on Earth. The continent is covered almost entirely by a thick ice sheet. Yet there...
Story

Water is a precious resource, and all things need water to survive.
OLogy Card
Obsidian doesn't look like your typical rock. In fact, it looks more like dark glass than a rock you'd pick up in you...
Hands-on

Send a note to a friend with these earthy letterheads.
Game

Test your knowledge about our planet Earth with this quiz.
OLogy Card
If you look at a map, the coasts of South America and Africa seem to fit together like puzzle pieces.
OLogy Card
The plates that make up the Earth's crust are always moving. When two plates meet, the motion causes lots of pressure...
OLogy Card
Deep inside the Earth, intense heat and pressure can change rocks into entirely new metamorphic rocks.
OLogy Card
Deformed conglomerate is a metamorphic rock that has been changed by heat and pressure.
Story

Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
OLogy Card
Early civilizations offered it to appease their gods. Ancient Egyptians placed it in tombs to support the dead on the...
OLogy Card
In satellite images of Earth's atmosphere, it's easy to spot the large, spiraling clouds of hurricane. These powerful...
OLogy Card
Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she reali...
OLogy Card
At the top of the world is a cold and icy area called the Arctic. It is made up of the Arctic Ocean and parts of Nort...
OLogy Card
There is nothing in the world like water. Without it, our world would be a very different place. Water covers over tw...
OLogy Card
George Harlow travels the world over to study how jade, rubies, and diamonds form. George wants to find out what thes...