How Do Great Lakes Form?
KidsHistoryScienceNatureGeology Mister Brown is moving away to Wisconsin and wants to teach everyone about the place he's moving to and all the amazing glacial lakes he'll be living near!
When Will The Continents Collide?
YouthHistoryScienceWorldEnvironmentGeology Dig into the science of plate tectonics to find out when the next supercontinent will emerge— and how it could affect Earth’s environment.
The continents are moving. When will they collide?
AdultsEnvironmentLifeWorldScienceGeology Dig into the science of plate tectonics to find out when the next supercontinent will emerge— and how it could affect Earth’s environment.
Caves Aren't Scary
KidsAnimalsNatureScienceGeology Squeaks is back from visiting Sam the Bat’s cave and is excited to learn all about how different caves form and why they look the ways they do!
Intro to Geology
AdultsEducationLifeScienceGeology Geology is the study of planet Earth, its origin and evolution, its fundamental structure, the properties of minerals, rocks, and fluids of which it is composed, and the evolution of its biosphere.
What Happens if a Supervolcano Blows Up?
AdultsLifeNatureWorldScienceGeology The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions of tons of radioactive elements find no escape but up.
Inside The World's Largest Crystal 'Cave'
YouthHistoryTravelWorldScienceNatureGeology Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world.
Gems, Minerals, Crystals & Rocks–What's the Difference?
YouthScienceGeology How can you distinguish rock from a mineral? Is that a gem, or is it a crystal? Learn what all these words really mean in this video!
How Saturn Got Its Rings
YouthScienceSpaceGeology There's evidence to suggest Saturn didn't have its rings when the dinosaurs inhabited Earth, so how did they form?
Sand Dunes Shouldn’t Exist (Here’s Why They Do)
AdultsLifeNatureWorldScienceGeology How can sand, blown by the wind, form such intricate and beautiful patterns as ripples and dunes? The answer is a surprising secret of self-organization.
The most colorful gemstones on Earth - Jeff Dekofsky
AdultsEducationNatureWorldScienceGeology What gives opals their signature shimmering colors? Dig into the science of the gemstone’s formation, millions of years in the making.
What makes volcanoes erupt? - Steven Anderson
AdultsNaturePhysicsScienceGeology Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions.
Volcanoes 101 | National Geographic
AdultsEnvironmentNatureWorldScienceGeology About 1,500 active volcanoes can be found around the world. Learn about the major types of volcanoes, the geological process behind eruptions, and where the most destructive volcanic eruption ever witnessed occurred.
GeoStory
TeachersTeacher CafeWorldEducationGeology A new way of telling stories. This unique website uses interactive maps, video, captions and links with short readings and vivid images to share geological information and sites. There are several different countries and places highlighted for your students to explore!
How Do Glaciers Move?
AdultsEcologyNatureWorldScienceGeology Glacier ice is weird. It's solid. Solid things aren't supposed to flow. But glacier ice flows like a liquid, and it does that without melting! How is this possible? I traveled to Mendenhall Glacier in Juneau, Alaska to find out.
How North America got its shape
AdultsHistoryWorldGeology North America didn't always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth.
Why is Mount Everest so tall?
AdultsNatureWorldScienceGeology At 8,850 meters above sea level, Qomolangma, also known as Mount Everest, has the highest altitude on the planet. But how did this towering formation get so tall? Michele Koppes peers deep into our planet's crust, where continental plates collide, to find the answer.