Sci 8 - Earth's Layers, Plates, Geologic History Review

Label each part of the Earth's interior.

a

d

e

c

b

Inner Core

Asthenosphere

Mantle

Crust

Outer Core

Which layer has convection currents?

• Stiffer Mantle

• Outer Core

• Asthenosphere

• Crust

How do geologists observe Earth’s interior?

• by studying constructive forces 
• by directly looking under many layers 
• by recording and studying seismic waves

Scientists think that convection currents that move the plates flow in Earth's

• Continental crust

• Oceanic crust

• Mantle/Asthenosphere

• Lithosphere

Tags

NGSS.MS-ESS2-1

Oceanic crust is ____________ and ____________ than continental crust

• thinner, less dense

• thinner, more dense

• thicker, less dense

• thicker, more dense

Which layer of the earth is made of LIQUID iron and nickel?

• Inner core

• Outer core

• Manthe

• Crust

All continents were once joined together as a supercontinent called

• Pangaea

• Cocos

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which of the following increases as depth increases into the Earth? (choose all that apply)

• time

• Pressure

• temperature

• density

Tags

NGSS.HS-ESS2-3

Evidence that the continents were once joined together

• South America and Africa fit together like puzzle pieces

• South America and Africa share fossils of Mesosaurus and Glossopteris

• South America and Africa both have rocks of the same age

• all of the above

Tags

NGSS.MS-ESS2-3

Evidence of continental drift =

· matching _______ & _______on continents now separated by oceans

· South America and _______ fit together like puzzle pieces

• rocks only, Africa

• rocks & fossils, Asia

• rocks & fossils, Africa

• rocks & fossils, Asia & Africa

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3