You are not logged in
GEM Subject is
Science -- History
1 - 5
Earthquake History of California
This article describes major earthquakes that have occurred in California since the colonial era, beginning with a 1769 earthquake experienced by a Spanish expedition near what is now Los Angeles, and ending with the...
The Chesapeake Bay Bolide: Modern Consequences of an Ancient Cataclysm
This report provides an overview of the Chesapeake Bay bolide and how it influenced the formation of the modern bay. Introductory material discusses what a bolide is, types of impact craters, and recent impacts that...
This radio broadcast explains how packrat nests, usually made of nearby sticks and leaves, may last as long as 40,000 years. The materials in these nests may reveal the ecology of an area in the past. Studies of the...
Telescopes from the Ground Up
This tutorial traces the history of the telescope, beginning with Galileo's first small refractor, to the era of orbiting space telescopes. Topics include Galileo's trouble with the church over the observations he made...
Dimensions of the Earth
This unit consists of a variety of materials that explain the shape of the Earth and how it is measured. There is a set of 'proofs' that the Earth is round, an account of how Greek geographer and mathematician...
Date Of Record Creation
Date Record Checked
Date Last Modified
Date Of Record Release
Full Record Views
Resource URL Clicks
This search is also available as an
forget your password?
Manage your resources
Save, organize, and share resources that you find.
Subscribe to bulletins
Automatically be notified about new resources that match your interests.
It's easy, fast, and FREE!
get your own login
Copyright 2014 Internet Scout