Earth Science Review 8th Gr

There are how many different types of crust?

• 1
• 2
• 5
• 3

What is the core made of?

• steel
• iron 
• aluminum
• iron and nickel

Tags

NGSS.MS-PS1-1

What describes the outer core?

• solid
• liquid
• viscous
• gas

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

If you traveled from the center of Earth to the surface, the pressure would...

• increase
• decrease
• stay the same
• unsure

What are the two types of crust?

• top crust,bottom crust
• oceanic crust, continental crust
• water,land
• none of the above 

Which type of wave arrives first during an earthquake?

• Primary (p-wave) waves
• Secondary (s-wave) waves
• Rayleigh Waves
• Love Waves

What part of the earth is broken in to 12 major tectonic plates?

• Lithosphere

• Asthenosphere

• Inner Core

• Outer Core

• Mesosphere

What do we call a change of direction in a seismic wave?

• Refraction
• Reflection
• Tonicity
• Aleration

Tags

NGSS.MS-PS4-2

What is the cause of refraction?

• Change in weight
• Change in energy
• Change in density
• Change in Mass

Tags

NGSS.MS-PS4-2