Earth Layers and Density

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

• Solid, but flowing

• Liquid, but dense

• Hot, but solid metal

• Brittle, but shifting

The lithosphere is composed of rock that can be described as being

• Liquid

• Solid

• Dense

• Flowing

Tags

NGSS.MS-ESS2-1

The lithosphere consists of the –

• upper mantle and the crust

• lower mantle and the outer core

• inner and outer core.

• crust and the entire mantle.

According to scientific data, which layer of Earth is the thickest?

• Crust

• Inner core

• Mantle

• Outer Core

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).

Oceans, and other bodies of water, are found on which layer of Earth?

• Outer core

• Mantle

• Inner core

• Crust

Tags

NGSS.MS-ESS2-4

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

Which of the following best describes Earth’s asthenosphere?

• Liquid rock that can reach the surface.

• Solid rock that is broken into plates.

• Dense rock that moves the crust.

• Metal rock at the center of the Earth.

Tags

NGSS.MS-ESS2-3

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

• Crust

• Asthenosphere

• Inner core

• Outer core

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