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Students learn why fossils are often referred to as "windows to the past." The basic requirements for fossil formation are identified. Examples of various fossils highlight different types of fossil preservation, including petrification, imprints, molds and casts, freezing, amber fossilization, and preservation in tar pits. Finally, various uses of fossils are discussed. Additional terminology and concepts: cement, paleontology, fossil fuels, preserved remains, paleontologist, sediments, and limestone.
(Source: DCMP)
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the three types of fossil fuels: coal, oil, and natural gas as well as their uses in modern society. Part of the Science Video Vocab series.
Dr. Scott Wing spent a decade combing the hills in the Bighorn Basin of Wyoming to find fossil evidence of an extinction event that occurred in the Southern Ocean of Antarctica around 56 million years ago. In this episode, host Emily Graslie talks with him and Dr. Kirk Johnson about how studying the fossil record helps scientists better understand climate change. Part of "The Brain Scoop" series.
Rising acidity in sea water is harmful to all ocean life. This short animated video explains how burning fossil fuels is increasing the acidity of the world's oceans. This is also impacting the fragile underwater ecosystems.
Black carbon is the fancy name for soot, and it is causing changes in the Arctic climate. It comes from the burning of fossil fuels. Studies suggest that black carbon is contributing to the acceleration of sea ice melting in the Arctic, and the loss of this ice would lead to more rapid warming and possibly irreversible climate change.
Energy has been essential for the development of human activities from the Industrial Revolution to present day. Over the course of history, human consumption of energy has increased significantly. Currently, society depends largely on nonrenewable energies that come from fossil fuels. However, the increase in greenhouse gas emissions has highlighted the need to change from fossil fuels to renewable energy sources that reduce environmental contamination. Many industries are committing to the development of alternative energy sources that don’t contribute to global warming. Chapter 9 of Air: Climate Change Series.
Students explore the important role the environment plays in everyday life. Several environmental problems are highlighted, with a focus on pollution and global warming. Additional concepts and terminology discussed include ecology, biological extinction, resource depletion, overconsumption of resources, fossil fuels, global climate change, and natural resources.
Scientific evidence may show that human activity, particularly over the past 100 years, has led to a buildup of what are known as "greenhouse gases," the most common of which is carbon dioxide, in the atmosphere. Energy use, particularly the burning of fossil fuels and the large-scale removal of vegetation from the earth's surface, are thought to be largely responsible for greenhouse gas buildup.
Scientists know that Earth’s climate has changed many times over billions of years and that Earth’s climate is always changing. Students will understand that climatologists are scientists that look for evidence from the past to help study climate change. This program also highlights the natural factors that affect climate change as well as the connection between the burning of fossil fuels and climate change. Part of the "Real World Science" series.
Presents the principles of atmospheric dynamics. The Earth's atmosphere is a balance of gases and sunlight that allows for the possibility of life. It has a composition, structure, and life sustaining biological, geological, and chemical cycles in its lower reaches. Also, discusses how these atmospheric elements are being impacted by the unprecedented burning of fossil fuels.
What would you think of powering a car using a water fuel cell, a home furnace powered by permanent magnets, or a self-driven electromagnetic engine with enough power to put a spacecraft into orbit? This is all energy that humans wouldn't have to pay for and that wouldn't pollute the earth. Not only would free energy change the world, but it would end human dependence on having to use so much of the world's fossil fuels.
Host Emily Graslie takes the fish fossils she found at Fossil Lake back to the museum. She works with Akiko Shinya, who is a fossil preparator, to prepare the fossils for exhibition. Part of "The Brain Scoop" series.
Host Emily Graslie explores myths surrounding the discovery of fossils. Did the discovery of Protoceratops fossils give birth to the stories about griffins? Another mythical creature, the Cyclops, also has potential ties to the fossil record. Is an extinct species of ammonite actually serpents turned into stone? Part of "The Brain Scoop" series.
Fossils are windows to the past. This program takes a look at how fossils are formed and preserved. Special attention is given to the meaning, significance, and use of fossils in telling about past life on Earth.
Uses trilobite fossils as an example to illustrate the challenges scientists face in understanding the prehistoric world and its place in time. Examines fossil sites in Australia, discusses how fossils are formed, and tells how a fossil's world is recreated.
Some of the world's best preserved fossils are found in the flat-topped ridges of southwestern Wyoming's cold sagebrush desert. Fossilized fishes, insects, plants, reptiles, birds, and mammals are exceptional for their abundance, variety, and detail of preservation. Most remarkable is the story they tell of ancient life in a sub-tropical landscape.
Hagerman Fossil Beds National Monument in Idaho is home to over two hundred different species of fossil plants and animals: including saber tooth cat, mastodon, bear, camel, ground sloth, and many other species. Over 3,000 new fossil fragments are found each year.
When scientists attempt to study prehistoric sharks, they typically only find their teeth. Since the teeth are the only fossil records, they are left to imagine what these creatures looked like. In this episode, host Emily Graslie highlights some of the teeth of prehistoric sharks. Part of "The Brain Scoop" series.
Clearly shows the environmental impacts of both renewable and nonrenewable energy sources. Provides an overview of numerous renewable energy sources, how the energy is collected, and the pros and cons of renewable energy. Also explores what is happening around the globe with the introduction of wind farms, wave parks, and solar farms.
Host Emily Graslie travels to Fossil Lake in Wyoming. In this episode, she learns the history of Fossil Lake from Lance Grande, who is the Negaunee Distinguished Service Curator at The Field Museum. Fossil Lake is home to the largest complete representation of early Eocene life in the world. Part of "The Brain Scoop" series.
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Biology related concepts
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