Plate Tectonics

The completely liquid layer of Earth is called the...

• outer core
• inner core
• mantle
• crust

The part of Earth that the plates float on is called the...

• lithosphere
• hydrosphere
• crust
• mantle

The layer of Earth that is broken into pieces/plates is called the... 

• crust
• mantle
• outer core
• inner core

What is the cause of all crustal activity?

• magnetic-pole reversals
• faults in mountain ranges
• energy from the sun
• convection current in the mantle

The inner core is completely...

• solid
• liquid
• gas

A mineral's streak is the...

• color of powder left on porcelain
• shininess of a mineral
• resistance to being scratched
• amount of matter in a given amount of space

Igneous rocks form when...

• magma cools and solidifies
• heat/pressure change a rock
• sediments are compacted and cemented together

Which region of the United States has the greatest likelihood of experiencing an earthquake?

• Northern region
• East Coast
• West Coast
• Southern region

What type of boundary occurs when two plates collide?

• convergent
• divergent
• transform

What type of boundary occurs when two plates move apart from one another?

• convergent
• divergent
• transform