Unit 7 Exam - Dynamic Earth

The thin, solid, outermost layer of Earth; is either continental or oceanic

• Mantle

• Asthenosphere

• Crust

• Outer Core

The cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates

• Mantle

• Lithosphere

• Asthenosphere

• Crust

The solid layer with plasticity in the upper mantle that is located just below the lithosphere; plates "float" and move on this layer

• Crust

• Mantle

• Outer core

• Asthenosphere

The solid layer of Earth between the crust and the core; made of dense silicates

• Mantle

• Outer core

• Crust

• Lithosphere

The outer later of the Earth's core; surrounds the inner core and is made of liquid nickel and iron

• Mantle

• Outer core

• Crust

• Inner core

Innermost part of Earth made of solid nickel and iron

• Inner core

• Outer core

• Mantle

• Crust

the force that every object exerts on all other objects because of their masses

• gravity

• crust

• core

• subduction

The supercontinent in the continental drift hypothesis was called ____.

• Panthalasa

• Pangaea

• Mesosaurus

• Africa

What is the area where two tectonic plates meet called?

• collision
• mid-ocean ridge
• a boundry
• a rift zone

What type of boundary is formed when plates collide?

• convergent
• horizontal
• divergent
• transform