Earth’s Size Trench Volcanoes Mid-ocean Earth’s Interior Ridge...
Transcript of Earth’s Size Trench Volcanoes Mid-ocean Earth’s Interior Ridge...
6370 km
2900 km
2250 km
Earth’s Interior
Earth’s Main Chemical Composition
1220 km
Earth’s SizeContinental crust10-75 km
Ocean Crust5-7 km
InnerCore
Outer Core
Mantle
(not to scale)
Iron (Fe)
Iron (Fe)Nickel (Ni) Sulfur (S)
Iron (Fe)Magnesium (Mg)Aluminium (Al)Silicon (Si)Oxygen (O)
Silicon (Si)Oxygen (O)Aluminum (Al)Iron (Fe)Calcium (Ca)Sodium (Na)
A More Complicated LookDespite the popular Jules Verne novel, no one has journeyed to the center of Earth. As a result, we cannot say for sure how it looks, or exactly what it is composed of.
It is important to remember that the straight lines in these
more likely to look closer to the image on the right.
Earth’s Movement
Outer Core
Mantle
Island ArcMid-ocean
Ridge
Volcanoes
Subduction
Subduction
HotPlume
Trench
Mohorovicic discontinuity: The boundary between the crust and the mantle
Gutenberg discontinuity: The boundary between the mantle and core.
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