![]() ![]() Peter Etnoyer’s pet fish had 200 babies in his aquarium when he was in elementary school. The National Snow and Ice Data Center provides information about the formation and effects of glaciers.Īt this site, maintained by The Virtual Birder, ecologist Jennifer Nesbitt tells why she decided to become an avian ecologist and explains how she conducts research with birds. Use this interactive website developed by Nova to explore four types of cave formation. The following links can be used for the Extension on page C-27 for Activity 29: Hint: Use other objects in the picture to determine the size of the channels. Which do you think might form in a very short time? Which do you think took the longest to form? Photo 3 – a gallery of 11 photos showing erosion and weathering from National GeographicĪrrange the landforms due to erosion by size, from smallest erosion channel to largest. Photo 2 – from the Earth Science World Image Bank Photo 1 – from the Earth Science World Image Bank Housing development on Mississippi River Delta.Ĭompare the photos from the following links either by printing each of them or by opening them in separate windows on your computer: Soil erosion on unprotected soil in a developing area.Ĭoffee Pot Rock, a feature formed by erosion of the Coconino Sandstone (top) and Supai Group rocks at the base.ĭevils Tower at Devils Tower National Monument, Wyoming.ĭelta where a river enters a lake in Alaska. The following photographs relate well to this unit: To view many photographs of structures formed by erosion, go to this site maintained by the American Geological Institute and do a search for key words such as: erosion, deposition, delta or canyon for many excellent images. Site developed by Amethyst Galleries, Inc.Īctivity 29 Weathering, Erosion, and DepositionĪctivity 30 Challenges of the Mississippi DeltaĪctivity 33 Earth Processes and Boomtown’s CoastĪmerican Geological Institute’s Earth Science World Image Bank ![]() The description of each mineral includes a photo, its chemistry, and its physical characteristics. Site authored by Hershel Friedman.Īn alphabetical listing of minerals. The site also has information about minerals, a photo gallery, and a glossary. This site gives a detailed description of the twelve soil orders and detailed maps of their locations in the United States.įind gemstones grouped by a range of search criteria, including color and crystal shape. ![]() There is a PDF format for printing or viewing that includes text and soil maps. This site provides the second edition of the US classification system, based on soil properties actually seen in the field, called “Soil Taxonomy, A Basic System of Soil Classification for Making and Interpreting Soil Surveys”. Student Links Unit A: Studying Soil Scientifically ![]()
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