Earth's Interior

What makes the inner core solid?

• Metals in the core are very light.
• Pressure at the core is very high.
• Chemicals in the core are very reactive.
• Temperatures in the core are very low.

Tags

NGSS.MS-PS1-4

Which layer contains BOTH the upper mantle and the crust?

• lithosphere
• atmosphere
• mesosphere
• athensosphere

Which layer is MOST dense?

• Mantle
• Crust
• Outer Core
• Inner Core

Seismic waves _____ when they go from a solid to a liquid.

• Slow down
• Speed up
• Remain the same
• Slow down and then speed up

Tags

NGSS.MS-PS4-2

The speed of seismic waves _____ through materials that are MORE dense. 

• increase
• decrease

Tags

NGSS.MS-PS4-2

How was the formation of the Earth similar to the formation of our solar system?

• The densest materials moved to the center.
• The densest materials moved to the outside.
• The densest materials moved to the middle layer.
• The densest materials were evenly distributed.

Tags

NGSS.MS-ESS1-2

P waves move through____

• Solids only
• Liquids only
• Solids and Liquids
• None of these

Tags

NGSS.MS-PS4-2

S waves move through

• Solids only
• Liquids only
• Solids and liquids
• None of these

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which layer of earth is molten (liquid metal)?

• inner core

• outer core

• crust

• lithosphere

Which layers make up the mantle?

• crust, inner core, outer core
• mesosphere, asthenosphere, part of lithosphere
• bottom part of the mantle
• crust only

Tags

NGSS.MS-ESS2-1