Plate tectonics and Volcanoes- Formal Quiz

The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart? 

• convergent
• divergent 
• transform fault

When magma reaches the surface, what is it called?

• lava
• explosive
• rocks

What happens to the temperature as you go deeper in the Earth?

• decreases
• increases
• remains the same

What are the two types of crust?

• top crust, bottom crust
• oceanic crust, continental crust
• water, land
• none of the above 

Which layer of Earth is located above the outer core?

• crust
• inner core
• outer core
• mantle

What type of boundary occurs when two plates move away from each other?

• transform
• subduction
• convergent
• divergent

What forms at a divergent boundary between two oceanic plates?

• rift valley
• mountain
• mid-ocean ridge
• trench

Which type of crust is more dense?

• oceanic
• continental
• divergent
• pizza

What type of boundary occurs when two plates move toward each other?

• convergent
• divergent
• transform
• lateral

What forms at a convergent boundary between a continental plate and an oceanic plate?

• volcanoes
• rift valleys
• faults
• mid-ocean ridges