Layers of the Earth and Rock cycle

The thinnest layer of the Earth is the ___________.

• mantle

• crust

• core

Tectonic plates are made up of continental crust and ________ crust.

• continental

• oceanic

• plates

• mantle

There are how many different types of crust?

• 1

• 2

• 5

• 3

What is the thickest layer of the Earth?

• the crust

• the mantle

• the outer core

• the inner core

What is the core made of?

• steel

• iron 

• aluminum

• iron and nickel

What describes the outer core?

• solid

• liquid

• viscous

• gas

Why is the inner core solid?

• its unknown

• what it's made of

• the pressure

• it is colder than the outer core

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

The oceanic floor is made of?

• Granite

• Basalt

• Cookies

• Water

The continental floor is made up of?

• Flowers and grass

• Basalt

• Granite

• Crust