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Nelson Education > School > Elementary Science > Science & Technology 7 > Student Centre > Web Links > Unit 4
 

Web Links

UNIT 4: THE EARTH'S CRUST

  4.1  Earth: A Layered Planet
  4.2  Minerals: Building Blocks of Rocks 
  4.3  How Minerals Are Mined and Processed
  4.6  Erosion and Weathering
  4.7  Learning About Soil 
  4.8  Components of Soil
  4.9  Soil and Plant Growth
  4.10  Farming and the Soil 
  4.11 Erosion: Carving the Landscape
  4.12  Mountains to Molehills
  4.13  Mountains to Rock
  4.14  Fossils: Rock's Timekeepers
  4.15  Drifting Continents
  4.16  Moving Plates
  4.17  Earthquakes, Volcanoes, and Mountain Ranges
  4.18  Cracking the Secrets of the Earth's Crust
  4.19  Preparing for Earthquakes
  4.20  Mountains from Rocks
  4.22  Volcanoes: Mountains from Magma

 

Section Links
4.1
Earth: A Layered Planet
Earth's Interior.  This is a very interesting site which explains what the earth is made of, and how scientists discovered the different layers of the earth.

Geological Time Scale.   The earth has been around for a long time. See the time map showing all of the Earth's major geologic ages.

4.2
Minerals: Building Blocks of Rocks
Minerals and Metals at Home!  Many of the things that you see around the home are made from minerals and metals. This site is designed to show students the importance of minerals and metals in our daily lives. Take the Online Quiz afterwards.

Canadian Rockhound.  Canada's internet magazine for collectors of minerals, fossils and gemstones.

The mineral and gemstone kingdom.  A complete guide to rocks, minerals, and gemstones.

4.3
How Minerals Are Mined and Processed
Start a Mine.  (Northern Ontario Development (NODA) Ontario Canada & Minerals and Metals Sector (MMS) of Natural Resources Canada).  "Follow the mining cycle from claim staking through operations to closure
of site and its rehabilitation."

Infomine.  The worldwide Mining Portal Site and Business Center on the Internet — a comprehensive, fully integrated source of news and information concerning worldwide mining and mineral exploration.

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4.6
Erosion and Weathering
Weathering and Erosion.  This site will help you to understand what weathering and erosion are, the natural processes which cause weathering and erosion, how to recognise weathering and erosion in action and to appreciate that different climatic conditions lead to different landforms.

Weathering and Soil.  A prepared lesson on the forces that shape our landscape.

Mountain Building.  An activity designed to give students hands-on experience controlling some of the variables of soil erosion.

4.7
Learning About Soil

4.8
Components of Soil

 

Canadian Soil Information System (CanSIS) National Soil Data Base.

Athena 2001 Mars Rover.  It will scout out areas of Mars' ancient terrain where evidence of life might be preserved, study the composition and properties of materials there, and collect rock and soil samples for return to Earth.

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4.9
Soil and Plant Growth
The World Wide Soil Jumpstation.  Contains a large table of links which are the main source of soil  information for horticulture and agriculture on the Net.

Baseball infields with Flex-A-Clay.  Amazing, manufactured soil composition developed for pitching mounds and home plate areas on baseball and softball infields and fields.

Mars Surface Composition.  Analysis of Martian soil composition.

4.10
Farming and the Soil
Soil Quality: How does farming affect soil quality? Examine the results of a project done by High School students.

Ontario Ministry of Agriculture Food and Rural Affairs — Soil & Water.  Links to many agriculture-related sites, including several on soil.

Ontario Soil and Crop Improvement Association (OSCIA).  Non profit association communicating responsible, economic management of soil, water and crops in the environment.

Sustainable Farming Connection.  Practical strategies for boosting profits, building soil, and protecting the environment. News, features, discussion groups, links, and more.

Soil Biological Communities.  Get the dirt on dirt at this website devoted to Soil Biological Communities. You'll find that soil — a resource as precious as air and water — hides a lot more than you might think.

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4.11
Erosion: Carving the Landscape

4.12
Mountains to Molehills

 

The Erosion Story.  Erosion is the process of loosening and carrying away the rock debris which have been produced by weathering.

Why are there Ice Ages?  Although scientists cannot answer this question with certainty, they know that a number of factors interact to produce conditions favoring the formation of ice sheets.

4.13
Mountains to Rock
Royal Tyrrell Museum Tour: Sedimentary Rock. Almost all fossils are found in sedimentary rock. But just what are sedimentary rocks?

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4.14
Fossils: Rock's Timekeepers

Burgess Shale Fossils  All about the fossils found in the famous Burgess Shale, in words and pictures.

Trilobite Home Page  A personal home page with information and links related to trilobites.

Fossil Encyclopedia   An alphabetized list of fossils, with descriptions, maintained by the Royal Tyrrell Museum.

4.15
Drifting Continents

4.16
Moving Places

4.17
Earthquakes, Volcanoes, and Mountain Ranges

4.18
Cracking the Secrets of the Earth's Crust

 

Plate Tectonics: history of an idea.  Close examination of the globe often results in the observation that most of the continents seem to fit together like a puzzle: the west African coastline seems to snuggle nicely into the east coast of South America and the Caribbean sea; and a similar fit appears across the Pacific. Learn about the person who first had this idea and the trials he faced.

KIE Evidence: Plate Tectonics and Earthquakes. A good site for explaining Plate Tectonics, with animations from NASA.

Plate Tectonics.  Describes the theory of plate movement along its boundaries. The Earth's crust is made up of eight large and several smaller plates.

Canadian National Earthquake Hazards Program.  Information about earthquakes in Canada, including details on magnitude, seismographs, Modified Mercalli intensity scale, recent earthquakes and maps, seismograph network plots, seismic hazard maps, and questions and answers about earthquakes.

Chronological Earthquake Index.  Examine this site and learn about many different earthquakes that have occurred throughout history. They present a list of selected earthquakes, starting with "before 1900," and ending with "1990 – present." 

Finding an earthquake's location.  Visit this site and learn how scientists use seismometers to determine where the hypocenter of an earthquake is located.

The San Andreas Fault and the San Francisco Bay Area.  Explore this site and learn about the San Andreas fault. You will find out what type of fault it is, and how much it has caused the earth to move from past earthquakes.

San Andreas Fault Field Trip.  Travel to this site and go on a virtual field trip of the San Andreas Fault. They offer many pictures of the fault, and a picture of a landslide.

The New Madrid Fault System.  At this site you will learn about the New Madrid Fault System. They present information about past earthquakes from this fault.

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4.19
Preparing for Earthquakes
Quake Country.  Come to this site and find out how to prepare your home for an earthquake. You will also learn how to make a survival kit.
4.20
Mountains from Rocks

Folding and the Appalachian Mountains.  The Appalachian mountains are an excellent example of the folded topography.

Crustal Movements   A site for young people describing how and why various rock formations occur.

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4.22
Volcanoes: Mountains from Magma
Volcanoes!  A site of the U.S. Geological Survey (USGS) describing volcanoes and providing links to many other sites, including USGS observatories.

Volcano World   A site supported by NASA LTP that claims to be "The Web's Premier Source of Volcano Info".

Global Volcanism Program   A U.S. site sponsored by the National Museum of Natural History, Smithsonian Institution. The Global Volcanism Program (GVP) seeks better understanding of all volcanoes through documenting their eruptions—small as well as large—during the past 10,000 years.

The Volcano Information Centre   A page from the University of California at Santa Barbara, providing many links and lists.

Fallout: Eye on the Volcano   A site produced by the National Geographic Society in 1998, presenting the human impact of the Monserrat Volcano.

Mauna Loa, Decade Volcano   A 1998 site dedicated to Hawaii's most famous volcano.

The Electronic Volcano   A window into the world of information on active volcanoes worldwide: maps, photographs and full texts of dissertations and a few elusive documents.

Volcano Paper Model   A page (literally) that can be printed, cut, and glued to make a model of a volcano. Produced by USGS.

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