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Shaping the Earth.

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Presentation on theme: "Shaping the Earth."— Presentation transcript:

1 Shaping the Earth

2 How is new land formed?

3 Divergent plate boundaries
mid atlantic ridge At divergent plate boundaries, ridges form and lava fills in the tear, making new land

4 Convergent plate boundaries
mountains and volcanoes are formed as plates smash together at these boundaries movie 1 9:30-11:30 movie 2 1:35-end 3 The Himalayas

5 Earths Plates

6 Is there just one type of rock?
Rock cycle video

7 3 types of rocks Igneous-magma that has cooled into rock
Sedimentary-rocks made of other rocks that were broken down by erosion and weathering on Earth’s surface Metamorphic-rocks made of different types of rocks that have been heated and pressed together inside of the earth

8 3 types of rocks Igneous: Sedimentary: Metamorphic
Sometimes fossils are contained here and their age can be calculated based on how deep they are Igneous: Sedimentary: Metamorphic

9 Rock cycle crayon activity

10 Tsunami videos as promised
tsunamis are fast traveling waves caused by earthquakes Can be extremely destructive if they hit land Warning systems are in place in modern countries to evacuate coastlines in case of tsunami japan 2011 thailand 2004 (1:35-end)

11 Pictures works cited Science studies weekly magazine
answers.cfm?know=a24


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