Unit 3: Plate Tectonics Warm Ups Mrs. Knowlton

September 18, 2014 ò Objective: Students will compare and contrast continental drift theory and theory of plate tectonics. ò WU: Provide 4 evidences that support the hypothesis of the Continental Drift.

September 18, 2014 ò Answers: Continental Puzzle Matching Fossils Ancient Climates Rock types and Structures

September 19, 2014 ò Objective: Students will compare and contrast Plate Boundaries. ò WU: name the 3 types of plate boundaries and describe the action of each.

September 19, 2014 ò ANSWERS: Convergent: plates are coming together- causes mountains, volcanoes Divergent : plates are separated- causes rift valleys and mid-oceanic ridges Transform fault: sliding motion- causes faults

Questions to answer for foldable ò 1. What is the lithosphere divided into? (Be specific) ò 2. A plate can be made of what? (2 answers) ò 3. Compare the thickness and density of the oceanic and continental crusts. ò 4. During seafloor spreading where are the youngest rocks found? Oldest? ò 5. What is caused when one oceanic plate is pushed under / beneath another plate? ò 6. What kind of plate boundary created the East African Rift Valley?

September 22, 2014 ò Objective: Students will understand key ideas about earthquakes. ò Warm Up: 1. Compared with the oceanic crust, the continental crust is ___. (thickness and density) ò 2. When sea floor spreading occurs, where are the youngest rocks found?

9/22 Answers Thicker and less dense Closest to the mantle/ at the bottom of mid- ocean ridge

September 23, 2014 ò Objective: Students will investigate properties of Earthquakes and how they are measured. ò WU: 1. Name a specific example of a divergent plate boundary on “continental lithosphere”. ò 2. On a world map, a series of dots represents locations of ____ (3 things).

9/23 answers East African Rift Valley Plate boundaries, earthquakes, volcanoes

September 24, 2014 ò Objective: Students will investigate properties of Earthquakes and how they are measured. ò WU: 1. The current scale most widely used to measure earthquakes is the____. ò 2. Tsunamis are often generated by _____.

9/24 Answers Moment Magnitude Scale Earthquakes that occur on the ocean floor

September 25, 2014 ò Objective: Students Compare magma and lava. Locate volcanoes and relate back to plate boundaries. Explain volcanic effects on the lithosphere and relate back to plate boundaries ò Warm Up: 1. What is the main reason Wegner’s Continental drift theory was rejected? ò 2. What causes plates to shift (move)?

9/25 Answers He could not provide a mechanism for movement of the continents= NO EVIDENCE! Convection cells

September 26, 2014 ò Objective: Infer the locations of volcanoes, earthquakes and faults (strike-slip, reverse and normal) from soil, geologic and topographic map studies. ò Warm Up: 1. What are the major layers of the earth (from the inside out). ò 2. What type of plate boundary cause: rift valleys, island arcs, and ridges?

9/26 answers Inner core, Outer core, Mantle, Crust Divergent, Convergent, Divergent

September 29, 2014 ò Objective: Conclude the best location for various types of development to reduce impacts by geohazards and protect property. ò Warm Up: Describe the 3 major types of volcanoes and where are they mostly located?

9/29 answers Shield, Composite, Cinder Along plate boundaries / hot spots

September 30, 2014 ò Objective: Review Unit 3 Objectives ò Warm Up: Which 2 geological events are most common along plate boundaries?

9/30 answers ò Earthquakes and volcanic eruptions

October 1, 2014 ò Objective: Show mastery of Unit 3 Objectives. ò Warm Up: What does an earthquake wave transmit?

10/1 answers Energy