Review for Test #2

Why is the Inner Core solid?

• Extreme Heat
• High Pressure
• All the layers are solid
• It's made of rock

Which layer of the Earth is the most dense?

• crust
• mantle
• inner core
• outer core

Identify each layer - #19.

• mantle
• lithosphere
• inner core
• outer core

The core is made-up of what two elements?

• iron and nickel
• iron and oxygen
• nickel and silicon
• oxygen and silicon

Tags

NGSS.MS-PS1-1

What is the thinnest layer of the earth’s composition?

• mantle
• inner core
• crust
• outer core

The thickest layer of the earth is the 

• crust
• mantle
• inner core
• outer core

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

Tags

NGSS.MS-PS1-4

Pressure ______________________ as you go deeper into the Earth

• increases
• decreases 
• goes up or down depending on the layer
• stays the same

This is considered as the fastest kind of seismic waves.

• Love waves

• Body waves

• Primary waves

• Secondary waves

It can travel through solids only

• Love waves

• Rayleigh waves

• Primary waves

• Secondary waves

Tags

NGSS.HS-PS4-1