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Acid Mine Drainage and Precipitates

Acid Mine Drainage and Precipitates

In this video, environmental scientists measure the pH of water to detect acid mine drainage from an abandoned coal mine and then demonstrate how metals present in acid drainage fall out of solution as precipitates when a basic substance is added to the water. OER Level

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6-12

Video

Controlling Water Run-off

Controlling Water Run-off

This video shows how the environmentally friendly design of the Visitor Center at Bernheim Arboretum and Research Forest near Louisville slows down water run-off and helps to control non-point-source water pollution, conserve water, and prevent soil erosion OER Level

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4-12

Video

Environmental Impact of Acid Mine Drainage

Environmental Impact of Acid Mine Drainage

This video shows how acid mine drainage from an abandoned coal mine has affected Wildcat Branch in Kentucky's Daniel Boone National Forest. Because the creek has a very acidic pH of 2.9, most organisms cannot survive there, and Wildcat Branch is essentially dead. OER Level

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6-12

Video

Reusing Wastewater

Reusing Wastewater

This video demonstrates how peat filtration beds at Bernheim Arboretum and Research Forest near Louisville, Kentucky purify and conserve wastewater and eliminate one cause of non-point-source water pollution. OER Level

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4-12

Video

The Geology of Coal

The Geology of Coal

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 forms of coal that cause acid mine drainage when exposed to oxygen. OER Level

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6-12

Video

High-Sulfur Coal and Acidic Water

High-Sulfur Coal and Acidic Water

In this video, a geologist measures the pH of water after high-sulfur coal from a Kentucky coal mine has been added to it. This test demonstrates that the sulfate salts found on the coal’s surface cause the water to become much more acidic. OER Level

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6-12

Video

Rain Gardens

Rain Gardens

This video shows how a rain garden at Bernheim Arboretum and Research Forest near Louisville, Kentucky slows down the flow of water from the forest’s parking lot and helps prevent soil erosion. OER Level

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4-12

Video

Mycoremediation

Mycoremediation

This video explores the process of mycoremediation: planting fungi such as oyster mushrooms to mitigate non-point-source water pollution caused by oil, gasoline, and other toxic substances. OER Level

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4-12

Video

Restoring Lower Rock Creek

Restoring Lower Rock Creek

This brief video describes how Lower Rock Creek’s location between two National Wild and Scenic Rivers caused Kentucky environmentalists to choose the creek as a target for acid mine drainage remediation. OER Level

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6-12

Video

Acid Mine Drainage Remediation

Acid Mine Drainage Remediation

In this video, an environmental technologist visits an abandoned coal mine in Kentucky to talk about how a remediation system (a series of settling ponds and treatment cells) is neutralizing the acid drainage flowing from the mine and keeping it from damaging a creek downstream. OER Level

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6-12

Video

Applying the Scientific Method

Applying the Scientific Method

This video provides a real-life example of the scientific method: testing hypotheses about which plants will grow most successfully on a green roof in Kentucky. OER Level

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4-12

Video

Results of Acid Mine Drainage Remediation

Results of Acid Mine Drainage Remediation

In this video, a biologist visits Rock Creek in Pulaski County, Kentucky to show how acid mine drainage remediation has increased the stream’s pH from acidic levels to almost neutral. Although the ecosystem has not been completely restored, many species have returned to Rock Creek. OER Level

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6-12

Video

Stream Restoration

Stream Restoration

This video explores how Bernheim Arboretum and Research Forest near Louisville, Kentucky has restored a channelized or straightened stream to its original meandering path, thereby improving the stream’s water quality and creating a better habitat for wildlife. OER Level

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4-12

Video

Aquatic Insects

Aquatic Insects

In this brief video, a biologist talks about the macroinvertebrates (typically aquatic insects) that form the basis of food webs in healthy Kentucky streams. OER Level

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6-12

Video

Detached Wetlands

Detached Wetlands

This video depicts a detached wetland, a small pool that forms beside a shallow meandering stream when it overflows its banks. These wetlands are important breeding grounds for the invertebrates that live in and beside streams OER Level

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4-12

Video

An Alaska Native Community Helps Seals

An Alaska Native Community Helps Seals

This video from First Alaskans Institute spotlights the Alaska Native community of St. Paul and its hands-on commitment to care for the land and animals on which it depends. OER Level

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3-12

Video

Backyard Birdfeeders

Backyard Birdfeeders

This video from WPSU’s series Outside suggests how to feed birds in winter, a hobby that can foster awareness, care, and respect for birds. OER Level

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3-6

Video

Backyard Turtles

Backyard Turtles

In this video from the WPSU’s series Outside, learn about backyard turtle habitats, their favorite foods, and why they don’t make good pets. OER Level

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3-6

Video

Bighorn Sheep

Bighorn Sheep

This video segment from Outdoor Nevada explores the adaptations that help desert bighorn sheep survive in their habitat. OER Level

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K-12

Video

Blood Vessels Help Tumors Grow

Blood Vessels Help Tumors Grow

In this video segment, adapted from NOVA, Dr. Judah Folkman uses the scientific method to discover how cancer cells induce the formation of new blood vessels, which in turn nourish those cancer cells. OER Level

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6-12

Video

Booming Sands

Booming Sands

This video segment, adapted from NOVA scienceNOW, presents basic concepts of physics behind "booming" sand dunes. See how surface tension affects potential and kinetic energy and how it all works together to create sound. OER Level

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6-12

Video

Butterflies

Butterflies

This video from Vegas PBS features colorful insects known as butterflies, and looks at the coloration, species, life cycle, and migration habits within their habitat. OER Level

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K-8

Video

Carnivorous Plants of Texas

Carnivorous Plants of Texas

In this video adapted from Texas Parks and Wildlife Department, learn about carnivorous plants that act as both producers and consumers in an ecosystem. See sundews and blatterworts capture and digest insects. OER Level

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K-12

Video

Carnivorous Plants of Cartwheel Bay

Carnivorous Plants of Cartwheel Bay

In this video segment from NatureScene, explore Cartwheel Bay, a wetland in South Carolina, and learn about the variety of carnivorous plants native to this unique landform. OER Level

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3-8

Video

Changing Views of Pluto

Changing Views of Pluto

See images from the Hubble Space Telescope that show evidence of seasons on Pluto, in this video adapted from NASA. OER Level

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5-12

Video

Characteristics of the Sun

Characteristics of the Sun

This video segment adapted from NASA describes the basic characteristics of our star, the Sun. OER Level

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3-12

Video

Counting Neutrons on the Moon

Counting Neutrons on the Moon

Find out how scientists are using a neutron detector onboard a satellite to try to find water on the Moon in this video adapted from NASA. OER Level

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9-12

Video

Desert Tortoise

Desert Tortoise

This video segment from Outdoor Nevada examines threats to the desert tortoise population. OER Level

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K-12

Video

Diversity of Hardwoods at Congaree Swamp

Diversity of Hardwoods at Congaree Swamp

In this video segment from NatureScene, observe some methods of plant identification with regards to the diversity of hardwoods at the Congaree Swamp. OER Level

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3-8

Video

Drilling to Antarctica’s Rock Core

Drilling to Antarctica’s Rock Core

In this video adapted from ANDRILL, find out how geoscientists get through more than a dozen football fields of ice and water in order to study the rock and sediment beneath Antarctica. OER Level

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3-8

Video

Earth as a System

Earth as a System

This visualization adapted from NASA maps progressive global changes onto a rotating globe. Earth's atmosphere, hydrosphere, geosphere, and biosphere are shown to be dynamic and interconnected. OER Level

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6-12

Video

Earth's Cryosphere: Antarctica

Earth's Cryosphere: Antarctica

Learn about the different features of snow and ice in Antarctica using satellite imagery in this video segment adapted from NASA. OER Level

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6-12

Video

Earth's Cryosphere: The Arctic

Earth's Cryosphere: The Arctic

In this video segment adapted from NASA, take a tour of the cryosphere in North America and the Arctic using satellite imagery. OER Level

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6-12

Video

Earth System: Drought and Air Quality

Earth System: Drought and Air Quality

This video segment adapted from NASA's Goddard Space Flight Center discusses how a drought can have negative effects locally, for example by increasing the number of forest fires, and also globally, for example by impacting air quality thousands of miles away. OER Level

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3-12

Video

Earth System: El Ni&ntilde;o

Earth System: El Niño

This video segment adapted from NASA's Goddard Space Flight Center describes El Niño, how it forms, and the chain reaction of consequences it triggers around the globe. OER Level

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6-12

Video

Earth System: El Ni&ntilde;o's Influence on Hurricane Formation

Earth System: El Niño's Influence on Hurricane Formation

This video segment adapted from NASA's Goddard Space Flight Center explains how hurricanes develop and why there are fewer hurricanes in the Atlantic Ocean in strong El Niño years. OER Level

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6-12

Video

Earth System: Ice and Global Warming

Earth System: Ice and Global Warming

This video segment adapted from NASA's Goddard Space Flight Center explains ice's role in the Earth system, highlighting the delicate balance that could be upset with a continued rise in temperature due to climate change. OER Level

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6-12

Video

Earth System: Satellites

Earth System: Satellites

This video segment adapted from NASA's Goddard Space Flight Center shows how integral satellites are to everyday life and describes the different types, including orbital and geostationary. OER Level

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6-12

Video

Energy Flow in the Coral Reef Ecosystem

Energy Flow in the Coral Reef Ecosystem

This video segment, adapted from NOVA, describes the energy flow in a coral reef, including its food web. OER Level

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3-12

Video

Energy Transfer in a Trebuchet

Energy Transfer in a Trebuchet

On NOVA, a team of carpenters, timber framers, engineers, and historians recreate a medieval throwing machine called a trebuchet. This adapted video segment explores how understanding energy transfer informs their design. OER Level

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6-12

Video

Engineering for the Red Planet

Engineering for the Red Planet

In this video segment from NASA, robotics researcher Ayanna Howard uses engineering to improve the intelligence of robots in space exploration. OER Level

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6-12

Video

Europa Jupiter System Mission

Europa Jupiter System Mission

This video from NASA introduces a proposed mission to study potential habitable worlds around gas giants such as Jupiter. OER Level

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6-12

Video

The Evolution of the Kuiper Belt

The Evolution of the Kuiper Belt

This video from NASA explores how the structure of the Kuiper belt can provide insight into the formation of the solar system and indicate the presence of planets. OER Level

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9-12

Video

Evolution of the Moon

Evolution of the Moon

This video from NASA looks at how Earth's moon has changed since its formation about 4.5 billion years ago. OER Level

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9-12

Video

Expedition 8 Crew Talks to Students in Japan

Expedition 8 Crew Talks to Students in Japan

In this video segment adapted from NASA, students in Matsuyama City, Japan, interview Expedition 8 Commander and NASA Science Officer Mike Foale and Flight Engineer Alexander Kaleri about life and work aboard the International Space Station. OER Level

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K-8

Video

First Spacecraft at Uranus

First Spacecraft at Uranus

Learn about some of the discoveries made by the Voyager 2 spacecraft during its 1986 trip to Uranus in this video from NASA Jet Propulsion Laboratory. OER Level

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9-12

Video

Flood Plain and Higher Ground Habitats

Flood Plain and Higher Ground Habitats

This video segment from NatureScene features the area of the Congaree Swamp where the high ground and the flood plain meet. Learn how a few feet of difference in elevation on a floodplain can yield drastic changes in what you’ll find living there. OER Level

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3-8

Video

Galileo on the Moon

Galileo on the Moon

Watch Apollo 15 astronaut David Scott perform Galileo's falling objects experiment on the Moon in this video segment from NASA. OER Level

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3-12

Video

Galileo on the Moon

Galileo on the Moon

Watch Apollo 15 astronaut David Scott perform Galileo's falling objects experiment on the Moon in this video segment from NASA. OER Level

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6-12

Video

Geology of Death Valley

Geology of Death Valley

This video segment from NatureScene examines the landforms of Death Valley and how they came to be. OER Level

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3-8

Video

RESULTS 1-50 OF 125

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