Earth's Structure

What is a landform?

• Features sculpted by processes both on Earth's surface and resulting from forces within. 
• when a feature of the Earth becomes eroded
• The process of a mountain forming
• the Earth's crust

What is uplift?

• the current condition of the atmosphere
• process that moves the surface of the Earth to a higher elevation
• the wearing away of soil and rock
• the fall of precipitation

True or False: Valleys and beaches were formed by erosion.

• True
• False

What is a plateau?

• low, flat areas
• an area of high elevation 
• an area of high elevation with a flat top
• flowing water

True of False: Plains can be valleys and lowlands.

• True
• False

The Earth has 4 main layers. What are they?

• crust, mantle, core
• crust, mantle, outer core, inner core
• crust, lithosphere, asthenosphere, mantle, outer core, and inner core
• oceanic crust, continental crust, and mantle

Which layer is 1800 miles thick?

• crust
• mantle
• outer core
• inner core

Which layer is made almost all of solid rock?

• crust
• mantle
• outer core
• inner core

True or False: The mantle is the thinnest layer of the Earth.

• True 
• False

Which layer of the Earth has a liquid-like state?

• crust
• mantle
• outer core
• inner core