Earth's Layers and Properties

The video tutorial explains the Earth's interior layers using a reference table. It covers the crust, mantle, outer core, and inner core, discussing their characteristics, densities, and compositions. The video also explores how pressure and temperature increase with depth, and highlights the boundaries between layers.

What is the scientific term for the Earth's crust?

• Lithosphere

• Asthenosphere

• Mantle

• Core

Which layer of the Earth is known for being the thinnest?

• Inner Core

• Outer Core

• Mantle

• Crust

Which part of the mantle is described as being able to flow like melted plastic?

• Outer Core

• Asthenosphere

• Stiffer Mantle

• Lithosphere

Which layer of the Earth is described as being 'plastic' and capable of flow?

• Asthenosphere

• Stiffer Mantle

• Inner Core

• Lithosphere

What is the density range of the Earth's outer core?

• 2.7 to 3.0 g/cm³

• 3.4 to 5.6 g/cm³

• 9.9 to 12.2 g/cm³

• 12.8 to 13.1 g/cm³

As you go deeper into the Earth, what happens to the pressure?

• It fluctuates

• It increases

• It remains constant

• It decreases

What happens to the temperature as you go deeper into the Earth?

• It decreases

• It remains the same

• It increases

• It fluctuates

What is the approximate depth at which the inner core begins?

• 100 kilometers

• 2900 kilometers

• 5000 kilometers

• 700 kilometers

What type of rock is the continental crust primarily made of?

• Basalt

• Granite

• Iron

• Nickel

What is the main composition of the Earth's inner core?

• Silicon and Oxygen

• Iron and Nickel

• Magnesium and Aluminum

• Carbon and Hydrogen