Select a Tasa Product
General Information and Teacher Resources
Earth's Atmosphere and Its Seasons
Earth's Dynamic Surface
Explore the Planets
Hands-On Mineral Identification
Illustrated Dictionary of Earth Science
An Introduction to Structural Methods
Introduction to Topographic Maps
Plate Tectonics and How the Earth Works
Plate Tectonics 3-D Puzzle
The Study of Minerals
Tasa Photo CD-ROM: Minerals
Tasa Photo CD-ROM: Rock Cycle I
Tasa Photo CD-ROM: Tectonics
Tasa Portfolios 1-4
The Theory of Plate Tectonics
The Wonders of Rocks and Minerals
Learn what causes the seasons as you do some internet research to determine
the amount of sunlight where you live on the longest and shortest days of the year.
Learn more about the seasons in
Earth's Atmosphere and Its Seasons
and
Earth's Dynamic Surface
CD-ROMs.
If you don't see the activity shown above
and are using a new Intel Mac, please click here.
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