Monday

• Identify the layers of the Earth by their composition.
• Identify the layers of the Earth by their physical properties.
• Describe a tectonic plate.
• Explain how scientists know about the structure of Earth’s interior.

Assignment:  Cutaway scale model of the Earth based on dimensions pg. 191. 

• Describe Wegener’s hypothesis of continental drift.
• Discuss how sea-floor spreading provides a way for continents to move.
• Describe how new oceanic lithosphere forms at mid-oceanic ridges.
• Explain how magnetic reversals provide evidence for sea-floor spreading.

Assignment:  Quiz section 2. 

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