Digital Content: Earth's Layers

Which layer of the Earth is made up mostly of solid rock and forms the outermost shell?

• Mantle

• Crust

• Outer core

• Inner core

What is the main element found in the Earth's inner core?

• Oxygen

• Iron

• Silicon

• Aluminum

Which layer of the Earth is responsible for generating Earth's magnetic field?

• Crust

• Mantle

• Outer core

• Inner core

What is the state of matter of the Earth's outer core?

• Solid

• Liquid

• Gas

• Plasma

Which process in the mantle is responsible for the movement of tectonic plates?

• Radiation

• Convection

• Conduction

• Evaporation

Tags

NGSS.MS-ESS2-3

Which of the following best describes the Earth's crust?

• It is the thickest layer of the Earth.

• It is the thinnest and outermost layer.

• It is made entirely of liquid.

• It is hotter than the inner core.

Which two elements are most abundant in the Earth's crust?

• Iron and Nickel

• Oxygen and Silicon

• Carbon and Hydrogen

• Magnesium and Calcium

Tags

NGSS.MS-PS1-1

What is the main difference between the inner core and the outer core?

• The inner core is liquid, and the outer core is solid.

• The inner core is solid, and the outer core is liquid.

• Both are solid.

• Both are liquid.

Tags

NGSS.HS-ESS2-3

Which layer of the Earth is directly below the crust?

• Inner core

• Mantle

• Outer core

• Lithosphere

What causes the movement of material within the Earth's mantle?

• Wind currents

• Convection currents

• Ocean tides

• Magnetic fields