Earth Layers

What layer has a solid inner part and a liquid outer part?

• Crust
• Mantle
• Core
• none

What layer is the thinnest?

• Crust 
• Mantle
• Core
• They are all the same size

Which layer has the highest density?

• Crust
• Mantle
• Core
• All the same

Do the layers move?

• No, they are all stuck in place...rocks are solid
• Yes, but only the crust
• All the layers but the mantle.  It is too thick to really move.
• All the layers are moving, some with convection, some are rotating.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

As scientists explore deeper and deeper into Earth's crust, what have they noticed about temperature and pressure?

• both temperature and pressure decrease
• both temperature and pressure increase
• pressure increases while temperature decreases
• temperature increases while pressure decreases

What happens when Seismic Waves (P-Waves) when they travel through a new medium?

• They bend

• They refract

• They slow down

• all of the above

Tags

NGSS.MS-PS4-2

What causes the waves that scientists have used to gain most of their understanding of the composition of Earth's interior?

• earthquakes
• magnetic fields
• meteor strikes
• winds

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS4-1

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core

Identify each layer - #15.

• Lithosphere
• Mantle
• Crust
• Asthenosphere

Tags

NGSS.MS-ESS1-4

Identify each layer - #16.

• Crust
• Mantle
• Lithosphere
• Asthenosphere

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3