Earth Structure and Subsystems Review

What do we call the center of the Earth?

• Mantle
• Crust
• Apple
• Core

What layer is between the inner core and the mantle?

• asthenosphere
• crust
• outer core
• lithosphere

Which two metals are thought to be found in the core?

• iron and steel
• iron and nickel
• gold and silver
• iron and copper

It is the layer of the Earth where we live. Compared with the other layers, it is rigid and more solid in form.

• Crust

• Mantle

• Outer Core

• Inner Core

The crust is broken into many pieces called ____________.

• Plates

• Tectonic Plates

• Both Option 1 & 2 are correct

• No correct answer

Give the two kinds of crust. (answer should be written in lowercase Ex. answer1, answer2)

What word refers to the solid Earth?

• atmosphere

• biosphere

• geosphere

• hydrosphere

What part of the Earth includes all life forms & even organic matter?

• atmosphere

• biosphere

• geosphere

• hydrosphere

Which of the following is NOT one of the four majors’ geological subsystems of Earth?

• Atmosphere

• Biosphere

• Hemisphere

• Geosphere

What gas that comprises 21% of the atmosphere?

• Carbon

• Hydrogen

• Nitrogen

• Oxygen