1) what is plate tectonics. 2) who thought of it, and why was he (correctly) disbelieved? 3) new...

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1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the main evidence for plate tectonics? Why was it believed in 1960 when it was not in 1930? Next class: Mechanisms. The question about the volcanoes will have to wait until then.

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Page 1: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the

1) What is plate tectonics.2) Who thought of it, and why was he (correctly) disbelieved?3) New evidence, and then acceptance.

Synthesis- what is the main evidence for plate tectonics? Why was it believed in 1960 when it was not in 1930?

Next class: Mechanisms. The question about the volcanoes will have to wait until then.

Page 2: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the

What is a theory?

A theory is a systematically organized knowledge applicable in a relatively wide variety of circumstances…

It is not just a bunch of facts, but a general set of ideas that puts many facts into a coherent system.

Page 3: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 4: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 5: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 6: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the

Note fossil assemblagesNOTE WHERE FOSSILS START

Page 7: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 8: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 9: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 10: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 11: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the

Note well- this could be a map of depth as well..... Age=depth, close to land = deep!

Page 12: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the
Page 13: 1) What is plate tectonics. 2) Who thought of it, and why was he (correctly) disbelieved? 3) New evidence, and then acceptance. Synthesis- what is the

What have we learned?

1) The ocean floor is young,2) It is created at mid ocean ridges, and moves away from them.3) It is oldest next to continents.

Next- Why?