Earth Layers Review

What layer of the earth is composed of material of the highest density?

• Outer core

• Inner core

• Crust

• Mantle

Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer?

• A metal ball bearing (solid) suspended in oil (liquid).

• Gelatin (red semi-solid) on top of a cracker (brittle solid).

• A ball of clay (solid) filled with water (liquid).

• Rubber ball (flexible solid) painted red (thin solid covering).

Which of the following would be an accurate feature to include in a model of Earth?

• A crust that is the thickest layer

• An inner core that contains oceans

• A thin mantle in the center of the model

• A liquid outer core below the mantle

The layer of Earth that is found directly below the lithosphere is called the -

• Crust

• Asthenosphere

• Inner core

• Outer core

Which layer of Earth is broken up into giant moving plates?

• Asthenosphere

• Lithosphere

• Inner core

• Outer core

Tags

NGSS.MS-ESS2-3

Which layer of Earth behaves more like a solid near the top, and more like a liquid near the bottom, where pressure is higher?

• Crust

• Mantle

• Outer core

• Inner core

Which of Earth’s layers would be best modeled as a metallic sphere?

• Mantle

• Outer core

• Crust

• Inner core

Which of Earth’s layers has the lowest density?

• Crust

• Inner core

• Mantle

• Outer core

Which of the following best describes the position of the layer of the earth known as the crust?

• Above the mantle, which is above the core

• Above the core, and below the mantle

• Between the inner core and the outer core

• Below all other layers, including the mantle and core

Which is the best description of the characteristics of the asthenosphere?

• Solid, but flowing

• Liquid, but dense

• Hot, but solid metal

• Brittle, but shifting