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81 Results for "rock"

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Deep inside the Earth, intense heat and pressure can change rocks into entirely new metamorphic rocks.
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Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens. They can form above ground wh...
Story

Visit a scientist's lab to see how he creates a magma chamber!
Story

Meet six rocks that travelled to the Museum from places like Mexico, Scotland, and even outer space.
Hands-on

Every rock has a story to tell. Learn how to create a collection that rocks!
Hands-on

Create your own crystals with sugar. Then enjoy your tasty treat!
Hands-on

Anyone can find fossils. This handy guide tells you where to look and what to do.
OLogy Card
Deformed conglomerate is a metamorphic rock that has been changed by heat and pressure.
Story

Find out how he became a geologist and what you can learn from studying rocks.
Story

Take a peek at our planet's layers, learn what secrets rocks reveal, and gain a long view of history.
Hands-on

Create weather tools to gather wind, rain, and pressure data in your neighborhood.
Hands-on

Make a model of Earth's layers that's good enough to eat!
Hands-on

See if you can find north by making your own compass.
OLogy Card
Granite is an igneous rock, which means it formed from magma, or melted rock. It forms deep inside the Earth under a...
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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...
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Jade is a special and rare rock. For thousands of years, people around the world have been using this durable and bea...
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Ed Mathez has always been fascinated by rocks and the Earth. As a young boy, he went with his mother to old rock quar...
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Jim is fascinated with volcanoes. He wants to know why some volcanoes erupt explosively, and how he might be able to...
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Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she reali...
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The plates that make up the Earth's crust are always moving. When two plates meet, the motion causes lots of pressure...
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George Harlow travels the world over to study how jade, rubies, and diamonds form. George wants to find out what thes...
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Limestone is made up of fossils. After small marine animals die, their shells and skeletons build up on the ocean floor.
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If you ever find a pseudoscorpion in your bathtub, don't worry! These tiny arachnids are harmless to humans.
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Not all spiders spin webs to catch their meals. When night falls in Australia, the white-tailed spider hunts its prey...
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Most ocean plants and animals live near the shore, on a narrow ribbon of seafloor called the continental shelf.
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As a kid, John Flynn had a rock collection and made lots of trips with his family and school to the American Museum o...
Game

Do you have what it takes to drive a robot on Mars?
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The hellbender is one of the largest salamanders in North America.
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When "ologists" observe plants, animals, fossils, or rocks, they know they won't remember every detail. So...
Story

Water is a precious resource, and all things need water to survive.
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Sandstone is made of tiny pieces of sand you can see and feel. You can actually scratch away grains of sand from a pi...
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The name Jurassic conjures images of tremendous dinosaurs roaming the Earth.
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Earth was a very different place at the beginning of the Triassic. All of Earth's continents were combined into one s...
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Some volcanoes erupt explosively, like opening a shaken soda bottle, because their magma is full of gases.
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Take a deep breath and exhale slowly. Your body just released carbon dioxide, a colorless gas that's essential to lif...
Game

Test your knowledge about our planet Earth with this quiz.
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Imagine you are an Arabian incense trader in 100 B.C. Arriving in Petra, you enter through the Siq—a long, winding go...
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Miles below your feet, scorching temperatures can get hot enough to melt rock. In some places, water heated deep unde...
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In 1997, Dolly rocked the world of genetics. Not baaaa'd for a little lamb from Scotland. What was the big deal? She...
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In the 1940s, paleontologists from the American Museum of Natural History discovered rich fossil beds in the high des...
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The seafloor covers more than half of the Earth's surface. Most of the seafloor consists of the flat, expansive abyss...
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When he was 8 years old, Theodore Roosevelt found a seal skull. It would be the first specimen in his very own natura...
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A bike, a tree, a cloud, an ocean -- any object you can name -- it's all made of matter. Even YOU are made of matter....
Video

Do you dig the Earth? If so, you'll want to meet Ed.
Hands-on

Send a note to a friend with these earthy letterheads.
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As an Eagle Scout, David Hurst Thomas was always on the lookout for ancient Indian camps. He never found one as a kid...
Game

How do your fossil-sorting skills stack up? Put them to the test with this kid-friendly online puzzle.
Game

Mundo Shamundo! Can you help Mandy study for her geology test?
Story

Take a peek into a mineralogist's scrapbook to see why he thinks jade is so special.
Story

Two thousand years ago, an ancient city called Petra thrived deep in the desert of Nabataean kingdom.
Video

Conservation biologist Ana Luz Porzecanski answers kids' questions.
¡TAMBIÉN EN ESPAÑOL!
Hands-on

Bury chicken bones in plaster of Paris to see the challenges paleontologists face when excavating fossils.
Video

Ancient trash or ancient treasure? This archaeologist tells us which he prefers.
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Archaelogist David Hurst Thomas answers kids' questions.
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Guatemala is located in Central America. It sits south of Mexico and northwest of El Salvador and Honduras.
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Early civilizations offered it to appease their gods. Ancient Egyptians placed it in tombs to support the dead on the...
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If there's life on any other planet in our solar system, it's probably on Mars. Scientists have sent orbiters, lander...
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Sterling was always fascinated by nature, ancient history, and archaeology. Since he was 15 years old, he has spent e...
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In satellite images of Earth's atmosphere, it's easy to spot the large, spiraling clouds of hurricane. These powerful...
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From waves to waterfalls, water is usually on the move. And that means it has energy. When this energy is captured an...
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One look at Redondasaurus, and you might think it's a crocodile. After all, it has a similar long, armored body, with...
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Confuciusornis is the earliest-known toothless, beaked bird.
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Effigia looks just like a dinosaur. It particularly looks a lot like bird-like dinosaurs called ornithomimids, or ost...
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If you look at a map, the coasts of South America and Africa seem to fit together like puzzle pieces.
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The Earth is always changing. Mountains form and erode away. Volcanoes erupt and grow larger. Earthquakes shift the l...
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The first vertebrates to fly took to the skies about 215 million years ago. These creatures were neither birds nor ba...
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When the famous Tyrannosaurus rex roamed North America, a very similar dinosaur was living on the other side of the E...
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Scientists are developing and improving "clean" energy sources. But for the next hundred years, the world w...
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Ross MacPhee has always loved dirt. It means the opportunity to find lost things--from bones and teeth to pirate trea...
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Of all the dinosaurs to roam the Earth, the largest ones belonged to a group called sauropods- huge plant-eating dino...
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Most amphibians start their lives in water, and grow up to live on land. But axolotls live their whole lives in water...
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Since he was a boy, Vladimir Ovtsharenko has been fascinated by nature. Growing up, he loved collecting spiders, beet...
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The deep sea is not an easy place to explore. To observe the ocean below 2,000 meters (or 6,562 feet), scientists mus...
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When she was a kid, Ana explored the landscapes of rural Uruguay and Brazil and the many plants and animals that live...
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Mummies are preserved remains of humans and other animals, some lasting for thousands of years.
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One of the earlier dinosaurs to appear on Earth was Coelophysis. It was a small, but skilled hunter that lived during...
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More than four thousand islands—including one big island—make up this nation in the Caribbean Sea.
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There is nothing in the world like water. Without it, our world would be a very different place. Water covers over tw...
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Based on fossils of ancient dragonflies, we know these winged insects have been soaring around for at least 300 milli...
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Located in the heart of the Middle East, this small desert nation is home to some of the world's oldest archaeologica...
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Think of giant kelp as the Godzilla of the seaweeds.