Earth Layers Lithosphere Asthenosphere

Asthenosphere
The asthenosphere (“weak sphere”) is a soft layer of the
mantle on which pieces of the lithosphere move. It is made
of solid rock that, like putty, flows slowly- at about the same
rate your fingernails grow.

Multiple Choice

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

• mantle

• inner core

• crust

• outer core

Multiple Choice

What are the two kinds of crust that the Earth has?

• Oceanic and Crustatious Crust

• Oceanic and Continental Crust

• Optic and Continental Crust

Multiple Choice

Younger and consists mainly of basalt

• CONTINENTAL

• OCEANIC

Multiple Choice

Thicker and older part of the Earth's crust

• CONTINENTAL

• OCEANIC

Multiple Choice

The major component of this type of crust is granite.

• CONTINENTAL

• OCEANIC

Multiple Choice

 Oceanic Crust is at the bottom of the Ocean?

• True

• False

Multiple Choice

Layer of rocks which forms the continents

• CONTINENTAL

• OCEANIC

Multiple Choice

This type of crust is described as denser and heavier

• CONTINENTAL

• OCEANIC

Multiple Choice

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

• Lithosphere

• Mesosphere

• Mantle

• Crust

Multiple Choice

The thickest layer of the earth is the 

• crust

• mantle

• inner core

• outer core

Multiple Choice

The soft layer of the mantle on which the tectonic plates move

• Asthenosphere

• Outer Core

• Mantle

• Mesosphere

Multiple Choice

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

• outer core

• inner core

• mantle

• crust

Multiple Choice

The core is made-up of what two elements?

• iron and nickel

• iron and oxygen

• nickel and silicon

• oxygen and silicon

Multiple Choice

Which layer of the Earth is the most dense?

• crust

• mantle

• inner core

• outer core

Multiple Choice

Why is the Inner Core solid?

• Extreme Heat

• High Pressure

• All the layers are solid

• It's made of rock

Multiple Choice

Temperature _____________________ as you go deeper into the earth.

• increases

• decreases

• goes up and down depending on the layer

• stays the same

Multiple Choice

Pressure ______________________ as you go deeper into the Earth

• increases

• decreases 

• goes up or down depending on the layer

• stays the same

Multiple Choice

Identify each layer - #20.

• mantle

• asthenosphere

• inner core

• outer core

Multiple Choice

Identify each layer - #15.

• Lithosphere

• Mantle

• Crust

• Asthenosphere

Multiple Choice

Identify each layer - #19.

• mantle

• lithosphere

• inner core

• outer core