1
Published in 1993
This report contains instructions and two patterns for making a terrestrial globe and a tectonic globe. The pattern or map projection is designed to be glued onto a used tennis ball. The terrestrial globe is intended to help visualize the location of the continents and oceans. The purpose of the...
Grade Level   3 4 5 6 7 8 9 10 11 12
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2
Published in 1994
This report illustrates how two organisms, a trilobite and a nautiloid, became fossils. The report is intended to help students and others visualize the size and shape of a trilobite and a nautiloid, the environment in which they lived, and the circumstances of their fossilization and subsequent...
Grade Level   3 4 5 6 7 8 9 10 11 12
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3
Published in 1997
This report illustrates how dinosaurs may have become extinct as a result of an asteroid impact. Students will better understand the mass extinctions that have been part of the Earth's history. Included are templates for making two paper models, instructions for their assembly, and a discussion of a...
Grade Level   6 7 8 9 10 11 12
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4
One of the most frightening and destructive phenomena of nature is a severe earthquake and its terrible aftereffects. An earthquake is a sudden movement of the Earth, caused by the abrupt release of strain that has accumulated over a long time. For hundreds of millions of years, the forces of plate...
Grade Level   7 8 9 10 11 12
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