Layers of the Earth

What is the Asthenosphere?

• an elastic substance on which the tectonic plates float.

• the air that we breathe.

• another name for a globe.

• the hard inner core

Which layer of the earth generates earths magnetic field?

• Crust

• Outer Core

• Mantle

• Lithosphere

When volcanoes erupt, dust and ash particles spread through much of the air blocking the sun.  Which two spheres are interacting? 

• Hydrosphere and atmosphere 

• Geosphere and atmosphere 

• Biosphere and atmosphere 

• Atmosphere and atmosphere 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts. 

• Hydrosphere 

• Biosphere 

• Atmosphere 

• Geosphere 

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Geologists know that the Earth has layers by using data collected from:

• Seismic waves

• Telescopes

• Submarines

• Iphones

Earth’s crust can only be____________ or _______________.

• Volcanic & Seismic

• Oceanic & Continental

How many layers does Earth have?

• 1

• 2

• 3

• 4

The Lithosphere is made up of the ___________.

• Crust and Upper Mantle

• Inner and Outer Cores

• Outer Core and Lower Mantle

• Lower and Middle Mantle

As we move further into the earth layers temperature

• Decreases.

• Increases.

• Stays the same.

• Goes up and down.

Why is the inner core solid?

• The temperature is so cold.

• Its made of mostly iron and nickel.

• The extreme pressure

• Its in the middle.