Earth's Features

The thinnest layer of the Earth is?

• Mantle
• Lithosphere
• Athenosphere
• Crust

This layer of Earth is solid Iron and Nickel

• Outer Core
• Mantle
• Inner Core
• Crust

What is groundwater?

• Water in oceans
• Water underground
• Rainwater
• Ice

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

What describes the outer core?

• solid
• liquid
• viscous
• gas

How much of the earth's water is freshwater that is used for drinking and cooking?

• 50 %
• 3 %
• 97 %
• 93 %

Water covers what percent of the Earth's surface?

• 75 %
• 60 %
• 10 %
• none of the above

Aquifers store ____ water.

• ground
• lake 
• ocean
• glacier

Where is most of Earth's freshwater located? 

• Oceans 
• Rivers 
• Lakes 
• Frozen in Glaciers 

How many oceans are there

• 3
• 4
• 5
• 6