Environmental science & Geology

Which layer of the Earth is the most dense?

• crust
• mantle
• inner core
• outer core

Which layer of the Earth is responsible for Earth's magnetic field?

• outer core
• inner core
• mantle
• crust

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

The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle

• Lithosphere
• Mesosphere
• Mantle
• Crust

The partially melted portion of the mantle below the lithosphere

• mantle
• core
• crust
• asthenosphere

Tags

NGSS.MS-ESS2-1

If the Earth did NOT have a liquid outer core, how would earthquake waves travel differently.

• P and S waves would both be absorbed.

• Only S waves would travel through the Earth's core.

• Shadow zones would not exist.

• S waves would travel faster than P waves.

Tags

NGSS.MS-PS4-2

A combination of Earth's rotation and the outer core rotating around the inner core, a force field is created. This called the ________________ effect.

• dynamo

• pangaea

• continental drift

• winter solstice

Tags

NGSS.HS-ESS2-3

The Aurora Borealis occurs in the

• troposhere

• stratosphere

• mesosphere

• thermosphere

Both P and S waves travel through solids.

• True

• False

When P waves leave the inner core and enter the outer core, they...

• speed up

• slow down

• get absorbed

Tags

NGSS.MS-PS4-2