Chapter 7 Study Guide
Vocabulary – be sure you can define/explain the following terms AND can explain how they relate to the topic
Mold
Cast
Petrified Fossil
Trace Fossil
Paleontologist
Evolution
Extinct
Relative Age
Absolute Age
Law of
Superposition
Intrusion
Extrusion
Index Fossil
UNCONFORMITY
Radioactive
Decay
Half-life
Geologic Time
Scale
Era
Period
Describe the Following Eras (Approximate Time, Geology of, Dominant Organisms, Nicknames, etc)
Precambrian
Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Using the Chart, answer the following questions
Use the chart to answer the questions
Be prepared to write about these topics: