Norwich University
Seven Man-Made Engineering Wonders of the Ancient World
Imagine precisely cutting and then moving a 120 ton boulder more than two miles without mechanical cutting tolls, skid loaders, or hydraulic cranes. Imagine carving a stone figure that includes a drainage system that permits rainwater to...
It's About Time
Volcanic History of Your Community
Did you know there are 20 volcanoes erupting at any given time? Pupils look at various igneous rocks, read local geologic maps, and determine if their area has a history of volcanic activity. A reading passage and analysis questions...
Encyclopedia of Earth
Encyclopedia of Earth: Climate Change: Ice Cores and History of Climate Change
Article describing research done in the West Antarctica, where ice cores were removed to a depth of two miles, providing information on climate change over the last one hundred thousand years. (Date published: Feb. 2, 2011)
PBS
The Dating Game: Radiocarbon Dating
Part of PBS-NOVA Online. An excellent explanation of how radiocarbon dating is done and why it works. Great material for earth science, history or biology classes.
CK-12 Foundation
Ck 12: Biology: Earth Forms and Life Begins Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the origin of life.
Estrella Mountain Community College
Online Biology Book: Paleobiology: Fossils and Time
Find out how fossil evidence has been the major link to learning about Earth's geologic history. See several illustrated interpretations of a geologic time scale in this online biology textbook.
European Space Agency
European Space Agency: Story of the Universe
The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...