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Check My Assignment!Layers of the Earth
Directions: Use your book and the Inferred Properties of Earth’s Interior in your Earth Science Reference Table to answer the following question. The graph in your ESRT contains three sections the top is information on each layer of the Earth. As you move down the graph the next section has information on pressure inside Earth which is listed on the side (where the y axis would be). At the bottom (where the x axis would be) is depth. Notice that if you follow the dashed lines from the top section you can find the pressure for each layer. The bottom section of the graph contains information about temperature inside the Earth. This section can be read following the same procedures as listed above for pressure.
Crust Facts:
1. Crust is either Oceanic, which is made of ( ), or Continental, which is made of ( ).
2. What is the density of continental crust? Please include units in your answer.
3. What is the density of oceanic crust?
4. What is the approximate depth of the crust in kilometers?
Mantle Facts:
1. What is the uppermost part of the mantle that has liquid and plastic properties called?
2. What is the density of the mantle? (This answer should be a range)
3. The mantle extends to what depth?
4. What is the temperature at 2000 km depth?
5. As depth increases in the mantle what happens to pressure?
Outer Core Facts:
1. What is the outer core inferred to be made of?
2. What is the distance from the top of the outer core to the bottom?
3. What is the pressure range of the outer core?
4. What is the density range of the outer core?
5. Is the melting point of iron & nickel greater than or less than the interior temperature of the inner core? This means the outer core is made up of iron & nickel in what state? (solid, liquid, or gaseous)
Inner Core Facts:
1. What is the actual temperature of the inner core?
2. Describe the melting point line in relation to the interior temperature. Is it above or below the actual temperature?
3. The answer to #2 indicates that the inner core is in what state?
4. What elements make up the inner core?
5. What is the density range of the inner core?
6. What is pressure range of the inner core?
Drawing Conclusions:
1. State the relationship for pressure as you travel towards Earth’s inner core.
2. State the relationship for density as you travel from the crust to the inner core.
3. State the relationship for temperature as you travel from the crust to the inner core.
