What do you call melted rock below Earth's surface? 

• subduction
• molten
• magma
• lava

Plates of the lithosphere float on the 

• crust
• core
• asthenosphere
• atmosphere

This Earth's layer houses solid iron and nickel

• A
• B
• C
• D

The crust and upper mantle make up Earth's 

• asthenosphere
• core
• continents
• lithosphere

The size of an earthquake is determined by how much ____ is released.

• oxygen
• sulfur
• energy
• vibration

A fracture in the crust of a planet along which movement has occurred is a 

• mountain
• valley
• fault
• river

This sphere is composed of all the living things 

• Hydrosphere 
• Biosphere 
• Atmosphere 
• Geosphere 

Wind is part of what sphere of Earth?

• Geosphere
• Atmosphere
• Hydrosphere
• Biosphere

This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts. 

• Hydrosphere 
• Biosphere 
• Atmosphere 
• Geosphere 

The measure of the energy released by an earthquake is called

• magnitude
• dominant
• fault
• energy capacity