This week's Georgia Performance Standards:
S6CS3
Students will use computation and estimation skills necessary for analyzing data and following scientific explanations.
S6CS5
Students will use the ideas of system, model, change, and scale in exploring scientific and technological matters.
S6E5
Students will investigate the scientific view of how the earth's surface is formed.
d. Describe processes that change rocks and the surface of the earth.
f. Explain the effects of physical processes (plate tectonics, erosion, deposition, volcanic eruption, gravity) on geological features including oceans (composition, currents, and tides).
g. Describe how the fossils show evidence of the changing surface and climate of the earth.
Chapter 8: A Trip Through Geologic Time
The Big Idea - How does evidence from rocks help scientists understand Earth's history?
Section 1: Fossils
Key Concepts:
-How do fossils form?
-What are the different kinds of fossils?
-What does the fossil record tell about organisms and
environments of the past?
Section 2: The Relative Age of Rocks
Key Concepts:
-What is the law of superpostion?
-How do geologists determine the relative age of rock?
-How are index fossils useful to geologists?
Key Terms:
relative age, absolute age, law of superposition, extrusion, intrusion, fault, uncomformity, fossil index
Section 3: Radioactive Dating
Key Concepts:
-What happens during radioactive decay?
-What can be learned from radioactive dating?
Section 4: The Geologic Time Scale
Key Concepts:
-Why is the geologic time scale used to show Earth's
history?
-What are the different unius of the geologic time
scale?
-What were the major events of the Paleozoic,
Mesozoic, and Cenozoic Eras?
Key Terms:
geologic time scale, era, period, invertebrate, vertebrate, amphibian, reptile, mass extinction, mammal
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