Mar. 19 th Day 1 Review Drill: Which part of the Earth creates the magnetic fields? How are they produced? Objective: SWBAT create a diagram of the Earth in order to prepare for the test on Friday.
Structure of the Earth Crust: Surface of the Earth Mantle Lithosphere: Hot Rock Asthenosphere: Soft molten layer Mantle: Higher in temp. Thinner layer Core: Rotation creates magnetic fields. Outer: Liquid Iron and Nickel Inner: Solid Iron and Nickel
Continental Drift Theory that states all continents connected in a super continent then separated into the continents we see today. Landform: Mountain ranges match up Fossil: Similar animals on different continents Climate change: Tropical plant fossils found in arctic area Scientists rejected because no mechanism for plate movement.
Plate Tectonics Convection currents in the mantle cause the plates to move. Boundaries: Areas where plates meet. Oceanic and Continental Plates. Convergent: Divergent: Transform: