Earth And Plate Tecronics

Question 1

What is the thickest layer

Answer 1

Outer core

Question 2

What is the composition of the outer and inner core

Answer 2

Iron with the some nickel

Question 3

What is the composition of the mantle and asthenosphere

Answer 3

Magnesium and iron silicates

Question 4

Who proposed the theory of continental drift

Answer 4

Alfred Wagner

Early 1900s

Question 5

What are some evidence for the continental drift

Answer 5

Puzzle pieces, geographic features, fossils, rocks, glacial striations, Mountain belts

Question 6

What was wrong with the theory of continental drift

Answer 6

Wegner could not explain how the continents moved

Question 7

Who created The Theory of the sea floor spreading

Answer 7

Harry Hess in 1960

Question 8

What was evidence of seafloor spreading

Answer 8

Mid ocean ridge, paleomagnetic patterns

Question 9

Who came up with the theory of plate tectonics

Answer 9

J. Tuzo Wilson

1964

Question 10

List the layers of earths surface

Answer 10

Inner core, outer core, mantle, asthenosphere, lithosphere/crust