1. 1 Attendance 2 Notes at 9:28 3 Finish Lab#39 at 9:40
Wednesday, March 28
1 Attendance
2 Notes at 9:28
3 Finish Lab#39 at 9:40

2. Lithosphere-the rock layer on Earth

3. One evidence of Earth Movement
Earthquakes

4. Types of Faults Normal – numerator side slides down
Reverse – numerator side pushes up
Transform – side by side
Types of Faults

5. Normal Fault

6. Reverse Fault

8. Transform Fault – side by side

9. Benchmark

11. Tilted Strata

12. Folded Strata

13. Tectonic Plates

16. Volcanoes

17. DD make CC which make PT

18. The Earth has a dynamic geologic system. What does that mean?
The geology is always changing.

19. asthenosphere
The part of the Earth’s interior that acts like plastic is called the _________________

20. How fast to the plates move?
Between 1 – 18 cm per year.
How fast to the plates move?

21. Mid-Ocean Ridges
Image: A diver swims between the Eurasian and North American plates in Thingvellir lake, Thingvellir National Park, Iceland. Iceland is one place where a mid-ocean ridge can be seen on land and in shallow waters.(credit: Wild Wonders of Europe/Lundgre)

22. Rifts – where the crust is breaking apart.
In Ethiopia in north east Africa something exciting is happening. In 2005, in the middle of the Afar desert, a crack opened and grew by 8 metres over 10 days. The gap filled with 2.5 cubic kilometres of molten rock - enough to fill the new Wembley stadium a staggering 1000 times! Since then the crack has been growing wider and longer. Scientists believe that a new ocean is slowly forming and will eventually split the African continent in two. This has happened because of volcanic eruptions, and the earthquakes that have been triggered by these eruptions.
The Afar desert is the only place in the world where we can see tectonic plates growing apart at the Earth's surface

23. - deep spots in the ocean
Trenches

25. Where the tectonic plates are pushing back down into the earth.
Subduction

26. Islands that were made because of subduction
Island Arcs

27. Places where melted rock is rising in the middle of a plate.
Hot spots

29. Magnetic patterns in the mid-ocean ridges
Proves sea floor spreading because of plate tectonics.
Magnetic patterns in the mid-ocean ridges

30. Age patterns in the mid-ocean ridge
Proves that sea floor spreading is happening because of plate tectonics.
Age patterns in the mid-ocean ridge

31. Age of Oceanic Crust