Dr. Sabin's Earth and Space Science
Unit 3: Geologic Time

Unit 3 Overview
(download as a PDF document)

 

Concepts
Essential Questions
1.
Geology
1.

How have the geologic sciences developed over time?

2.

Geologic dating

2.

How can scientists determine ages of geologic material?

3.
Geologic Time
3.

How do scientists use the geologic time scale to understand and describe natural history?

4.
Continental Drift
4.
How does the concept of continental drift help explain the world?
5.
Plate Tectonics
5.

How does the theory of plate tectonics help explain the world?

Important Terminology

catastrophism, uniformitarianism, relative age, absolute age, law of superposition, unconformity, law of crosscutting relationships, varves, radiometric dating, isotopes, decay, half-life, era, period, epoch, Precambrian, Paleozoic, Mesozoic, mass extinction, Cenozoic, continental drift, mid-ocean ridge, sea-floor spreading, paleomagnetism, plate tectonics, lithosphere, asthenosphere, divergent, convergent, transform, rifting, terrane, supercontinent cycle, Pangaea, Laurasia, Gondwanaland, subduction, trench, convection

 

10.09.07 / 10.10.07
Development of Geology
Download presentation
10.11.07 / 10.12.07
Dating Methods
Download presentation
10.15.07 / 10.16.07
Geologic Time
Download presentation
 
Tips for downloading and using presentations:
1) To view the presentation, simply click the download link;
2) To save the presentation for later, right click and choose "save target as." Save the file and you can open it later from your document files;
3) To print the presentation, a) open the file, b) go to File menu, c) choose print, d) when the print box opens, go to "print what" and choose "handouts" from the drop-down menu. Select 3 or 6 slides per page, f) click OK.