Properties of the Earth's Interior

1. As depth increases, what is the relationship among density, temperature, and pressure inside the earth?

Density, temperature and pressure all decrease
Density and temperature increase but pressure decreases
Density increases but temperature and pressure decrease
Density, temperature and pressure all increase

2. In which parts of the Earth's interior would melted or partially melted material be found?

Stiffer mantle and inner core
Stiffer mantle and outer core
Crust and inner core
Asthenosphere and outer core

3. How does the composition of the oceanic crust compare with the composition of the continental crust?

Oceanic crust is mostly limestone, while the continental crust is mostly sandstone
Oceanic crust is mostly limestone, while the continental crust is mostly granite
Oceanic crust is mostly basalt, while the continental crust is mostly sandstone
Oceanic crust is mostly basalt, while the continental crust is mostly granite

4. The composition of some meteorites supports the inference that Earth's core is composed of

Aluminum and calcium
Iron and nickel
Silicon and oxygen
Magnesium and potassium

5. The temperature of the rock located 1000 kilometers below the Earth's surface is approximately

1000°C
2600°C
3200°C
4300°C

6. Which part of the Earth's interior has a density of 11.3 g/cm3?

Crust
Mantle
Outer Core
Inner core

7. Together the crust and the rigid mantle form the

MOHO
Asthenosphere
Lithosphere
Stiffer mantle

8. In which state of matter is the material of the outer core?

Solid
Liquid
Partially melted
Gas

9. What is the pressure at a depth of 4000 km inside the Earth?

5800 atm
2.3 million atm
1800 atm
43 million atm

10. At what depth inside the earth is the temperature 4200 °C?

2000 km
5800 km
1000 km
6400 kn

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