Rocks

Get Up & Go Play!: Micrometeorites | KIDS Clubhouse Adventures

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Playing outside makes kids happier, healthier and stronger! In this segment of KIDS Clubhouse Adventures, co-host Abby Brown and kids learn about micrometeorites. Together they build a simple device to collect micrometeorites and use a magnifying glass to take a closer look.

Rocks and Minerals | Science Trek

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This video segment from IdahoPTV's Science Trek defines the different types of rock and how they are formed. Learn about the ways rocks are classified and find out all the ways rocks can be changed. 

Know Ohio | Rocks and Their History in Our State

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Many types of rocks are found in Ohio--sedimentary, flint (Ohio's state gem), shale, sandstone, coal, and limestone. Learn about their formation, place in Ohio's history, and other cool facts including fossils and landforms.

Weird Wonderful West Virginia | Soda Straws and Hoppers: Organ Cave

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Explore the geologic features and the history of West Virginia's Organ Cave. Learn about the natural creation of the stalactites and stalagmites and the importance of the cave during the Civil War.

Copper | Raw to Ready: Mack Truck

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This clip from Raw to Ready: Mack Truck focuses on how early experiments with the telephone led to a search for an alternative to the iron and steel cables being used at the time. Rust was a constant problem and highly conductive copper was the ideal alternative, however the technology didn't exist to manufacture copper strong enough for overhead lines. Thomas Doolittle introduced a new process to compress and strengthen copper. Today over half the copper extracted from the earth becomes wire and makes up the Mack Truck's drive-by-wire technology.

The Grand Canyon: Evidence of Earth's Past

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The Colorado River in Grand Canyon National Park has cut a vertical path through rock that dates from the Precambrian period (nearly two billion years ago) to the Permian (250 million years ago). As presented in this video segment adapted from NOVA, each of the exposed rock layers, or strata, tells the story of another time period. Through careful study of these layers, scientists can describe how the area's climate has changed, how this affected the environment, and how some of the previous inhabitants looked and behaved.

Nature | Aging Diamonds?

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In this video from Nature, geological detectives use ancient diamonds to learn more about Earth's inner layers.

Rocks and Minerals | Science Trek

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This video segment from IdahoPTV's Science Trek defines the different types of rock and how they are formed. Learn about the ways rocks are classified and find out all the ways rocks can be changed. This resource is part of the Idaho Collection.

The Geology of Coal

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In this video, a geologist describes how coal, a sedimentary rock, was formed when organic materials piled up in swamps millions of years ago. Over time, heat and pressure transformed the buried materials into peat and into various forms of coal. The geologist shows samples of low- and high-sulfur coal. High-sulfur coal contains a lot of pyrite, which is a mixture of sulfur, iron, and traces of other minerals. As long as it is underground, this mixture causes no environmental problems. But when it is exposed to air through mining, the pyrite rusts and forms sulfate salts on the coal's surface that can contaminate water.

This resource is part of the Water Solutions collection.

This video is available in both English and Spanish audio, along with corresponding closed captions.

The Amazing Life of Sand | Deep Look

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There's a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers. From mountain boulders to the shells of tiny ocean creatures, follow the journey that sand takes through thousands of years across entire continents to wind up stuck between your toes.

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