Organize and annotate Web sites for use in lessons.
Fossils and Earth's Geologic History
Track #
34783
Annotations by:
Chris Heumann
Track Category
Grade(s):
Middle (5-9)
Subjects(s):
Science
Last Modified:
Sep 29, 2013
Format:
Worksheet
Track Description
The six sites in this track will give you basic knowledge about how fossils form as well as an overview of the time periods into which scientists have divided Earth's history.