Topic 4: The Moving Crust
Lithosphere: The crust and the upper layer of the mantle together make up a zone of rigid, brittle rock called the Lithosphere.
Mantle: under the crust and
part of the lithosphere. Composed of thick liquid rock, the consistency
of asphalt.
Outer Core: composed of liquid iron and nickel at temperatures of over 5500 degress Celcius.
Inner Core: solid rock at temperatures of over 6000 degrees Celcius.
Dates to Remember
April 25: Video. Pangea Puzzle
April 26: Notes and worksheet on Plate Tectonics. Video
April 29: Quiz. Topic 4 Review, Page 394 for homework
April 30: Topic 4 review due
New words:
Resources: Text Book pages 352-441
- Scientific evidence for the centre of the earth - shows P and S waves
- Evidence from Fossils
- The Earth's Floor
- Convergent Plate Boundary
- Divergent Plate Boundary
- Transform Boundary
- Dynamic Earth - look for magnetic reversals in Developing a Theory
- Continental Drift (animated)
- Excellent animation of earth's time and motion
- Detailed animations of sea floor spreading
- History of the theory of plate tectonics
- Lesson's on "The Earth's Layers"
