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Science Reference Center
Full-text articles to support research in applied sciences, biology, chemistry, earth and space science, and energy. Includes the Science Image Collection, a database of high-quality science images from National Geographic, UPI, Getty, NASA, and Nature Picture Library.
Language
English
Description
Earth science in action covers everything from the Earth's layers, rocks, minerals and soil to oceans, erosion, volcanoes and earthquakes. Each program includes segments that showcase interesting land formations and tools used by geologists around the world, as well as a stimulating experiment that students can replicate in the classroom.
Language
English
Description
Students will track the history of the earth, which covers billions of years, and will learn about the four major segments of geologic time--Precambrian, Paleozoic, Mesozoic and Cenozoic eras-- and also the plant and animal life that developed during each era. They will see how geologists study the layers of rock under the ocean floor, and how they can decipher unusual formations in rock layers.
3) Minerals
Language
English
Description
Students will examine the makeup of a mineral as they review such properties as hardness, luster, streak, color and density. They learn where minerals can be found and their many uses. Includes a visit to an old silver mine.
4) Soil
Language
English
Description
Students learn about the different types of soil and how soil is important for sustaining plant and animal life. They will learn about the formation of soil and its components, and also methods of conservation used to protect the earth's soils, and ways in which modern farmers are fighting the forces of erosion with new plowing techniques.
5) Volcanoes
Language
English
Description
Students get a closeup look at volcanoes and learn the difference between magma and lava. They are shown how a tilt meter is used to predict when a volcano might erupt, and are treated to a virtual visit to Horseshoe Lake at Mammoth Mountain.
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