Plate Tectonics

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

Which of the following occurs because of convection currents?

• Tectonic plates on the crust move.
• The mantle increases in size.
• Pressure in the crust increases.
• Pressure in the crust decreases.

Which of these layers is ALL solid iron and nickle?

• inner core
• outer core
• lithosphere
• mesosphere

What was the name given to all the continents when they were joined as one super continent? 

• Supreme Continent
• Eurasia
• Plate tectonics
• Pangea

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Where does the heat come from that drives this convection current in the mantle? 

• The sun
• The crust
• the mantle
• the core

As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?

• The would all increase
• The would all decrease.
• They would stay the same.  
• Temperature would decrease, but pressure and density would increase. 

What type of event will occur at this boundary?

• Earthquake
• Volcano Eruption
• Tornado
• Mountain Building

A divergent boundary occurs when plates ....

• Pull apart
• Come together
• Slide past each other
• subducting