The earth
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Transcript of The earth
![Page 1: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/1.jpg)
The Earth
-Structure-Tectonic Plate Theory
![Page 2: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/2.jpg)
![Page 3: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/3.jpg)
The Earth
• The earth is made up of _____ main sections.• These are the core, the mantle and the crust.• Each section is _________ and all three
sections contribute to how the earth is ______.
![Page 4: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/4.jpg)
![Page 5: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/5.jpg)
The Core
• The center of the _____ is known as the core.
• The core is made of ___ segments, the molten metal (Iron) section and the _____ Iron segment.
• The heat from the core _____ into the next section of the earth, the mantle and ______ it to melt.
![Page 6: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/6.jpg)
Liquid Outer Core
Solid Inner Core
![Page 7: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/7.jpg)
The mantle
• The mantle mainly consists of _____, which is made of ______ minerals.
• The heat from the core causes the hot magma to ____. It cools as it magma _____ again.
• This is ______ a convection current
![Page 8: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/8.jpg)
Mantle
![Page 9: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/9.jpg)
The Crust
• The crust is the final layer of the earths _________ is the crust.
• It consists of separated ______.• These plates float on the ___ of the
mantle.• The plates move as the follow the
convection _______. This process takes many ______ and is called the Tectonic Theory.
![Page 10: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/10.jpg)
Crust
![Page 11: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/11.jpg)
The Lithosphere
• The lithosphere is the name scientists give to the layer that is made by the crust and upper mantle.
• All together, this is about 75-100KM _____ beneath continents but only about 55KM thick beneath ______.
![Page 12: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/12.jpg)
![Page 13: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/13.jpg)
Plate Tectonics
• This theory ________ how mountains, volcanoes, and earthquakes, are formed.
• 200 _______ years ago, there was only one big continent called _______. It _____ up to form the continents we see today.
• The continents are still ______ today.
![Page 14: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/14.jpg)
![Page 15: The earth](https://reader035.fdocuments.us/reader035/viewer/2022070316/555e7025d8b42a34098b5113/html5/thumbnails/15.jpg)
So, once again…
• Core, both inner and outer• Mantle• Crust• Lithosphere• Plate tectonics