PBS
How Volcanoes Froze the Earth (Twice)
Over 600 million years ago, sheets of ice coated our planet on both land and sea. How did this happen? And most importantly for us, why did the planet eventually thaw again? The evidence for Snowball Earth is written on every continent...
PBS
When a Billion Years Disappeared
In some places, the rocks below the Great Unconformity are about 1.2 billion years older than those above it. This missing chapter in Earth’s history might be linked to a fracturing supercontinent, out-of-control glaciers, and maybe the...
SciShow
Why is Organized Crime Buying Sand?!
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
SciShow
The World Is Built on Sand... and We're Running Out
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
Crash Course
What is Weathering? Crash Course Geography
Weathering breaks down rocks and creates sediments which become the raw materials for other rocks and the formation of our soils. And we call the process of moving that sediment erosion. In today's episode, we're just going to focus on...
SciShow Kids
Where Does Soil Come From?
Trees come from seeds, and birds come from eggs, but where does all the soil and dirt come from? Second Grade Next Generation Science Standards Disciplinary Core Ideas: ESS1.C: The History of Planet Earth - Some events happen very...
Crash Course Kids
Weathering and Erosion
In this episode of Crash Course Kids, Sabrina gives us a real world example of how the Hydrosphere and Geosphere affect each other in the form of Weathering and Erosion. Think of Weathering as the force that makes a mess and Erosion as...
Bozeman Science
Soil and Soil Dynamics
In this video Paul Andersen explains how soils are formed and classified. Weathering of rock creates particles which are mixed with water, air, and organic material. Soils are classified according to particle size, chemical makeup, and...
Curated Video
Weathering: The Breakdown of Rock by Physical and Chemical Processes
The breakdown of rock into smaller pieces by physical and chemical processes at the Earth's surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Rock Cycles
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...
Curated Video
Glaciers - Moving Ice Masses
Glaciers are a destructive force, moving slowly across landscapes, reshaping them as they go. Earth Science - Geology - Learning Points. Over three-quarters of Earth's fresh water is locked in frozen reservoirs, known as glaciers....
Curated Video
Weathering: The Erosion of Rock by Natural Forces
The physical, biological or chemical factors that erode rock, from sand to ice, rain to plants, and even footsteps. Earth Science - Geology - Learning Points. "Weathering" refers to the breakdown of rocks into smaller pieces. Physical...
Curated Video
Sediment
Naturally occurring debris, often the product of weathering of rocks, carried by wind or water and deposited in a new location. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Erosion
The wearing away of rock and the removal of weathered rock, soil, and other solid materials away from source. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Erosion and weathering
Learn how the processes of weathering and erosion sculpt Earth's landscapes. Material processes - Classifying materials - Soil Learning Points Weathering is the breaking down of rock into smaller particles. Erosion is the removal of rock...
Visual Learning Systems
Rates of Erosion
In this video students conduct an investigate that measures the rate of erosion by water. The program provides step-by-step instructions on how to set up the investigation and record data. Students will excperiment with the impact of...
Visual Learning Systems
Changes on Earth
In this video students identify evidence from patterns in rock formations and fossils to explain changes in the landscape over time. Live-action video footage of different lanscapes illustrate landscape changes. Students provide their...
Wonderscape
Interactions Among Earth's Spheres: A Complex Interplay
Explore the intricate relationships between the Earth's geosphere, biosphere, hydrosphere, and atmosphere. Learn how these interconnected systems influence one another through various processes and human activities. Earth's Materials and...
Curated Video
The Three Types of Rocks
Dr. Forrester explains the three different classifications of rocks: igneous, sedimentary, and metamorphic.
Curated Video
Weathering and Erosion
The processes of weathering and erosion break down rocks, minerals, and other outside items. These two work slowly to change the landscape.
Curated Video
My Environment
Dr. Forrester discusses interactions between people and their environment and how environmental processes and characteristics influence human settlement and activity.
Professor Dave Explains
The Terrestrial Environment
We just learned about the aquatic environment, so now let's head onto dry land! How did life initially get onto land? What can we learn about soil? What are the carbon, nitrogen, and phosphorus cycles? Let's check it all out!
Professor Dave Explains
Physical Weathering Processes
At this point we know a lot about how rocks form, but now we need to understand precisely how they are weathered. Weathering describes the forces and conditions that break down rocks that are exposed at the surface into smaller...