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Database Listings: Strand=SES4U-5
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Description
Record: 1034
Geological Survey of Canada - educational sites - a home base for geological information. Index Page. links to information about dating, meteorites, volcanoes, landslides etc.
Record: 1035
Deep Time - an online animated backgrounder for Earth History. Concepts only. Video presentation. Outlines events in the different eras and periods.
Record: 1570
Sim shows light and IR photon behavior in a variable atmosphere & tracks temperature as variables are changed. Glass can be added to show a "real" greenhouse effect.

Record: 1582
Alpha Decay: Watch alpha particles escape from a Polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.