Bellwork 11-13-13 Obj : SWBAT describe the layers within the earth. What happens to the temperature as you move from the crust to the core of the earth? What happens to pressure as you move from the crust to the core of the earth. Which layer of the earth is liquid?
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Obj: SWBAT describe the layers within the earth.
What happens to the temperature as you move from the crust to the core of the earth?
What happens to pressure as you move from the crust to the core of the earth.
Which layer of the earth is liquid?
What layer do you think is the most density, or the heaviest?
On each box include:
Putting temperature into perspective
-Boiling hot water= 212°F or 100°C
-Red hot iron= 1,000 °C (1,830 °F)
-Copper= 1084 °C (1983 °F)
-Blowtorch flame= 1,300 °C (2,370 °F)
-Glass=1500 °C (2000 °F)
-Iron= 1538 °C (2800 °F)
-Diamond= 3,550 °C (6422°F)
-Tungsten= 3410 °C (6170 °F)
-Surface of the sun= 6000 °C (10,832°F)
-Core of the sun= 15,000,000°C
Starting from the outside in...
Ocean Crust= 5-6 km(3.1-3.7 miles) thick
Ocean Crust is mostly made of Basalt
Basalt has an average density
of 3.3 g/cm3
15 -75km thick(9-46 miles)
is mostly made out of Granite
Average density= 2.7 g/cm3
The crust is mostly made up of rocks that contain magnesium potassium, iron, sodium, aluminum, silicon, and oxygen.
The Top Four!
Upper mantle chemistry
-The upper mantle contains magnesium, iron, aluminum, silicon, and oxygen.
*notice the ”lighter” elements disappear and are left in the crust
Na, K, Ca
TheMantlemakes up two-thirds of Earth’s mass and is 2,900km thick (1800miles)!
*Average temperature of the mantle = 1000-2200 C (1832-3992 F)
What the mantle looks like
The Mantle is made mostly out of the mineral Olivine (Mg, Fe)2SiO4
-The outer core is 2250 km thick and has an average temperature of 3700°C (6700°F)
-Also responsible for the Earths magnetic field
-Composed of liquid Iron, Nickel, oxygen, and sulfur
-The earths inner core is a solid Iron and nickel alloy that has a radius of about 1,200 km (758 miles).
Not the real core!
-The inner core acts like a giant magnet and is responsible for our magnetic field.