Unit 2: Earth's Interior and Plate Tectonics

____ 1. The youngest rocks on the ocean floor are located ____.

• 
  near continents
• 
  at mid-ocean ridges
• 
  far from mid-ocean ridges
• Asia

Plates of the lithosphere float on the ____.

• crust
• asthenosphere
• core
• 
  atmosphere

What kind of plate boundary is shown here?

• divergent
• convergent
• transform
• subducting

What kind of plate boundary is shown here?

• divergent
• convergent
• transform
• submergent

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of oceanic crust?

• Rift Valley
• Mid-Ocean Ridge
• Island Arc
• Flat land

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of continental crust?

• Mid-Ocean Ridge
• Mountain
• Rift Valley
• Island Arc

The Himalayas in Asia are an example of what type of plate boundary?

• divergent
• continent-to-continent convergent
• ocean-to-continent convergent
• transform

What feature is formed at a subduction zone?

• Deep Sea Trench
• Folded Mountains
• Rift Valley
• Mid Ocean Ridge

Scientists think that the __________, made of liquid iron and nickel, moves to produce Earth’s magnetic field.

• crust
• mantle
• outer core
• inner core

Earth’s inner core is ____.

• a dense ball of solid metal.
• a layer of molten metal.
• a layer of hot rock.
• a layer of rock that forms Earth’s outer skin.