Earth's Layers
Landforms
Earth's Systems
Earth's Formation + Forces
The Details
100

What is Earth's innermost layer called?

The Core

100

landform with LOW relief and LOW elevation

Plains

100

which system are the layers of gas surrounding Earth?

The Atmosphere

100
How many years ago was Earth formed?

4.6 Billion Years Ago

100

word that describes the shape of a geographic area

topography

200

What is the Earth's outermost physical layer called?

The Crust

200

landform with HIGH relief and HIGH elevation

Mountains

200

which system contains all living things on Earth?

The Biosphere

200

what kind of FORCE is the main reason Earth formed?

Gravity

200

Which spins faster, the inner or outer core?

Inner Core

300

What is the middle layer of the Earth called?

The Mantle

300

landform with LOW relief and HIGH elevation

Plateaus

300

which system is Earth's entire solid body?

The Geosphere
300

TRUE OR FALSE - the Earth is a perfect sphere. 

FALSE - Earth is flattened slightly at the poles

300

Which of the Core's layers is SOLID and which is LIQUID?

Liquid - OUTER CORE

Solid - INNER CORE

400
What is the Crust + Uppermost Mantle called?

The Lithosphere

400

word that describes the height above sea level

elevation

400

Which system contains all of the liquid water on Earth?

The Hydrosphere

400

The more mass an object has, the ___________ the gravitational force

stronger

400

What do the Crust + Uppermost Mantle have in common to make them the Lithosphere?

Both are brittle and rigid 

500

what is the outer part of the Earth's magnetic field called?

the Magnetosphere

500

word that describes the difference of elevation of two points

relief

500

Which system contains all of the frozen water on Earth?

The Cryosphere
500

The closer two objects are, the ___________ the gravitational force

stronger

500

What is the Aesthenosphere? Why is it special?

part of the MANTLE that is so hot is "flows like its plastic"