PBS
Pbs: Egypt's Golden Kingdom: Natural Resources
This PBS article explains how Egypt, even though a desert region, was blessed with many natural resources.
PBS
Pbs: Caves and Karst
This illustrated tutorial is meant to address student fears and misconceptions about caves, as well as enhance their understanding of cave and karst systems.
Other
Clemson University: Soil Acidity and Liming
Covers the composition and uses of liming materials in agriculture, as well as the lime codes of several states. Good definitions of terms: lime, calcitic limestone, calcite, dolomite, dolomitic limestone, aragonite, hi-cal lime, and more.
Other
Scienceviews.com: Minerals and Their Uses
Every segment of society uses minerals and mineral resources everyday. The roads we ride or drive on and the buildings we live learn and work in all contain minerals. Below is a selected list of commonly used metallic and nonmetallic...
US Geological Survey
Usgs: The Effects of Acid Rain
Geology and chemistry of acid rain effects. Lots of building and monument pictures showing acid rain damage. Be sure to follow the "next" link at bottom of each page.
US Geological Survey
U.s. Geological Survey: Limestone and Marble
An explanation of the differences between limestone and marble, including some excellent pictures.
Orpheus Books
Q Files: History: Ancient Egypt: Pyramids: How They Were Built
Pyramids took 20 years or more to build employing at least 25,000 workers. Explore a detailed description of how they were built, the materials used, and how a site was chosen.
National Association of Geoscience Teachers
Nagt: Illinois Caverns Field Trip
Take your students on a caving experience. This field trip gives hands-on experiences with stalactites, flow stone, fossils, water erosion, limestone, and groundwater.
Travel Document Systems
Tds: Cape Verde: Economy
Although Cape Verde has limited natural resources, read about the great strides it has made in developing a functional economy. Information is from the U.S. State Dept. Background Notes.
TeachEngineering
Teach Engineering: Acid Attack
In this activity, students explore the effect of chemical erosion on statues and monuments. They use chalk to see what happens when limestone is placed in liquids with different pH values. They also learn several things that engineers...
US Environmental Protection Agency
Epa: Observing Buffers in Lakes, Ponds, and Streams
Explore buffers in lakes, ponds, and streams. "In this experiment, you will observe the effects of limestone on the acidity of water."
Andre Dollinger
Reshafim: Stone Vessels
Follow step by step the way Egyptian stonemasons made stone vases. This is a comprehensive look at the Old Kingdom manufacture of stone vessels, the materials, and the craftsmen themselves.
Andre Dollinger
Reshafim: Building in Stone
Stone masons, the builders of the pyramids, were important craftsmen in Egypt. Read about the stone, tools, and techniques these stone masons used. Hyperlinks to additional information and links to outside website for more research.
Indiana University
Indiana University Bloomington: Reference Documents: Calcite [Pdf]
A fact card describing the characteristics of calcite and its presence in limestone, its chemical and physical properties, and the composition and structure of a calcite unit cell.
Indiana University
Indiana University Bloomington: Geo Notes: Salem Limestone: Its Origin [Pdf]
Describes the formation of the Salem Limestone during the Mississippian Period.
Indiana University
Indiana Univ. Bloomington:geo Notes: Salem Limestone: Carving and Sculpture [Pdf]
Describes Salem Limestone, a high-quality limestone, and its use by stone carvers to create intricate and detailed sculptures.
Australian Museum
Australian Museum: Sedimentary Processes
Everything you need to know about sedimentary rocks and the processes by which they are created, including weathering, soils, environments, and classification.
CK-12 Foundation
Ck 12: Plix: Sedimentary Rock Classification
[Free Registration/Login Required] Get a visual of how sedimentary rock forms through an interactive animation on this site. Also, test your understanding with a short quiz.
Khan Academy
Khan Academy: Gallery: How Do Earth and Life Interact?
Explore the biosphere, zoom in on some unique ecosystems, and learn how activity in the Solar System and plate tectonics can affect the climate and life on the planet.
ClassFlow
Class Flow: Chemical Weathering: Limestone
[Free Registration/Login Required] This is a simple flipchart displaying the chemical process of limestone weathering.
ClassFlow
Class Flow: Geology Rock Cycle
[Free Registration/Login Required] Flipchart explains the rock cycle, taking students through the creation and ultimate destruction of a rock.
Other
Crop Life: The Importance of Agricultural Lime
Read here about why farmers use aglime on their crops. Proper use of aglime is one of the most important management inputs in successful crop production.
The Franklin Institute
Franklin Institute: How Sedimentary Rock Is Formed
The Franklin Institute describes the way sedimentary rock is formed, with links to descriptions of several types of sedimentary rocks.