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64 Results for "rock"

olc_246_metamorphic_rocks_listing

Deep inside the Earth, intense heat and pressure can change rocks into entirely new metamorphic rocks.

olc_244_igneous_rocks_listing

Igneous rocks form when magma, or melted rock from inside the Earth, cools and hardens. They can form above ground wh...

olc_034_sedimentary_rocks_listing

The next time you're at a beach, grab a handful of sand. This material is sediment. Sediment carried by water and win...

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

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

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

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

Anyone can find fossils. This handy guide tells you where to look and what to do.

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

Ed Mathez on a rocky ledge with water behind

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

olc_242_deformed_conglomerate_listing

Deformed conglomerate is a metamorphic rock that has been changed by heat and pressure.

olc_243_granite_listing

Granite is an igneous rock, which means it formed from magma, or melted rock. It forms deep inside the Earth under a...

olc_247_obsidian_listing

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...

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

Test your knowledge about our planet Earth with this quiz.

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

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

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

olc_259_jade_listing

Jade is a special and rare rock. For thousands of years, people around the world have been using this durable and bea...

olc_256_ed_mathez_listing

Ed Mathez has always been fascinated by rocks and the Earth. As a young boy, he went with his mother to old rock quar...

olc_248_jim_webster_listing

Jim is fascinated with volcanoes. He wants to know why some volcanoes erupt explosively, and how he might be able to...

olc_240_ro_kinzler_listing

Like many kids interested in science, Ro Kinzler thought she wanted to be a marine biologist. But later on, she reali...

olc_249_earthquakes_listing

The plates that make up the Earth's crust are always moving. When two plates meet, the motion causes lots of pressure...

olc_058_asteroids_listing

Asteroids are space rocks that have existed since the formation of the planets over 4.6 billion years ago. Scientists...

olc_258_george_harlow_listing

George Harlow travels the world over to study how jade, rubies, and diamonds form. George wants to find out what thes...

olc_059_meteorites_listing

Did you ever see a "shooting star"? What you really saw was a meteor burning up in the Earth's atmosphere.

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

Join the inquisitive Deena Soris as she interviews the fossil of a Protoceratops.

olc_245_limestone_listing

Limestone is made up of fossils. After small marine animals die, their shells and skeletons build up on the ocean floor.

olc_057_comets_listing

Comets are like "dirty snowballs" that have orbited the Sun since our Solar System formed, billions of year...

olc_155_pseudoscorpions_listing

If you ever find a pseudoscorpion in your bathtub, don't worry! These tiny arachnids are harmless to humans.

olc_180_continental_shelf_listing

Most ocean plants and animals live near the shore, on a narrow ribbon of seafloor called the continental shelf.

olc_022_amy_davidson_listing

When fossils arrive at the Museum, they aren't usually beautiful bones ready for display. They are often buried in ch...

olc_028_fossilization_listing

The only way to learn about life that went extinct thousands, millions, and billions of years ago is to study the fos...

olc_123_hellbender_listing

The hellbender is one of the largest salamanders in North America.

olc_305_john_flynn_listing

As a kid, John Flynn had a rock collection and made lots of trips with his family and school to the American Museum o...

olc_087_field_journal_listing

When "ologists" observe plants, animals, fossils, or rocks, they know they won't remember every detail. So...

olc_053_saturn_front

Saturn is known for the beautiful rings that form a giant hula hoop around it. The rings are made of chunks of ice an...

olc_064_pathfinder_listing

Pathfinder landed on Mars' surface carrying thesix-wheeled Sojourner rover, a mobile robot. Rover and lander took ov...

olc_241_sandstone_listing

Sandstone is made of tiny pieces of sand you can see and feel. You can actually scratch away grains of sand from a pi...

olc_054_uranus_listing

The oddest thing about Uranus is that the planet, its rings, and its moons "roll" around the Sun on an axis...

olc_261_jurassic_period_listing

The name Jurassic conjures images of tremendous dinosaurs roaming the Earth.

olc_262_triassic_period_listing

Earth was a very different place at the beginning of the Triassic. All of Earth's continents were combined into one s...

olc_298_carbon_dioxide_listing

Take a deep breath and exhale slowly. Your body just released carbon dioxide, a colorless gas that's essential to lif...

olc_160_white-tailed_spider_listing

Not all spiders spin webs to catch their meals. When night falls in Australia, the white-tailed spider hunts its prey...

olc_250_volcanoes_listing

Some volcanoes erupt explosively, like opening a shaken soda bottle, because their magma is full of gases.

Water is a precious resource, and all things need water to survive.

olc_303_geothermal_power_listing

Miles below your feet, scorching temperatures can get hot enough to melt rock. In some places, water heated deep unde...

olc_117_dolly_listing

In 1997, Dolly rocked the world of genetics. Not baaaa'd for a little lamb from Scotland. What was the big deal? She...

olc_226_siq_listing

Imagine you are an Arabian incense trader in 100 B.C. Arriving in Petra, you enter through the Siqa long, winding go...

Theodore Roosevelt

When he was 8 years old, Theodore Roosevelt found a seal skull. It would be the first specimen in his very own natura...

olc_056_pluto_listing

Pluto was discovered in 1930 and considered to be the ninth planet in our solar system.

olc_062_sojourner_listing

On July 5, 1997, the six-wheeled robotic rover, Sojourner, rolled down a ramp from the Pathfinder spacecraft onto the...

olc_174_matter_listing

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....

olc_183_seafloor_listing

The seafloor covers more than half of the Earth's surface. Most of the seafloor consists of the flat, expansive abyss...

olc_260_ghost_ranch_new_mexico_listing

In the 1940s, paleontologists from the American Museum of Natural History discovered rich fossil beds in the high des...

Find out exactly what cloning involves. Do not try this at home!

Send a note to a friend with these earthy letterheads.

As an Eagle Scout, David Hurst Thomas was always on the lookout for ancient Indian camps. He never found one as a kid...

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

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

David Hurst Thomas sitting in his office.

Ancient trash or ancient treasure? This archaeologist tells us which he prefers.

Egyptian papyrus painting of the god Anubis and four attendants preparing a mummy.

Archaelogist David Hurst Thomas answers kids' questions.

Explore an amazing city carved into the sandstone cliffs.

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