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Transcript
Earth’s Layers Review Density Composition Thickness Temperature 1 (least dense) Rock 5-20 miles 20 ºC - 870 ºC Mantle 2 Molten rock 1800 miles 870 ºC – 2,200 ºC Outer core 3 Liquid 800 miles 2,200 ºC – 5,000 ºC Inner core 4 (most dense) Solid metal 1400 miles 5,000 ºC Crust The upper crust is made primarily of which type of rock? - sedimentary What are the five elements that make up 90% of earth’s crust? - oxygen (50%), silicon, aluminum, iron and calcium Which two elements are found in the inner and outer cores? - iron and nickel Be able to label the layers of the earth - in order from outer to inner layer: crust, lithosphere, asthenosphere, mantle, outer core, inner core Density - Definition: a property of matter representing the mass per unit volume - AKA- the amount of “stuff” in a given space - Example: limestone is more dense than water, that is why it sinks Tectonic plates - Solid and found in the lithosphere - Move around on top of the asthenosphere Be able to compare and contrast the lithosphere and asthenosphere, including thickness, composition, temperature, and density. Tectonic plates should also be mentioned. Earth’s Layers Review Density Composition Thickness Temperature Crust Mantle Outer core Inner core The upper crust is made primarily of which type of rock? - _________________________ What are the five elements that make up 90% of earth’s crust? - _______________________________________________________ Which two elements are found in the inner and outer cores? - ___________________________ Be able to label the layers of the earth - in order from outer to inner layer: _______________________________________ ____________________________ Density - Definition: a property of matter representing the mass per unit volume - AKA- ___________________________________________________ - Example: ___________________________________________________________ Tectonic plates - ___________________________________________ - ___________________________________________ Be able to compare and contrast the lithosphere and asthenosphere, including thickness, composition, temperature, and density. Tectonic plates should also be mentioned. Earth’s Layers Review Density Composition Crust Thickness Temperature 5-20 miles 20 ºC - 870 ºC (least dense) Mantle Molten rock Outer core miles 800 miles Inner core Solid metal miles 870 ºC – 2,200 ºC 2,200 ºC – 5,000 ºC ºC (most dense) The upper crust is made primarily of which type of rock? - ___________________________ What are the five elements that make up 90% of earth’s crust? - oxygen (_____%), silicon, aluminum, iron and calcium Which two elements are found in the inner and outer cores? - iron and __________________ Be able to label the layers of the earth - in order from outer to inner layer: crust, lithosphere, asthenosphere, mantle, outer core, _____________________ Density - Definition: a property of matter representing the mass per unit volume - AKA- the amount of “stuff” in a given space - Example: limestone is more dense than water, _________________________ Tectonic plates - Solid and found in the _______________________ - Move around on top of the ____________________ Be able to compare and contrast the lithosphere and asthenosphere, including thickness, composition, temperature, and density. Tectonic plates should also be mentioned.
