Unit 1 Review

What increases as you go deeper into the Earth? 

• volume & density
• temperature & pressure
• composition & temperature
• space & time

_____________ is a single large landmass created when all the continents were joined together. 

• Plate Tectonics
• Continental Drift
• Pangaea
• The Theory of Evolution

_____________ came up with the theory of continental drift. 

• Alfred Einstein
• Alfred Wegener
• Harry Hess
• Barack Obama

What is the driving force to plate tectonics occurring when warm magma rises and cooler magma sinks? 

• An oceanic current
• A conventional current
• A convection current
• A magnetic current

The inner core is made up of ______________.

• solid magnesium
• solid nickel and iron
• liquid magnesium
• liquid nickel and iron

Evidence to support continental drift included ______________.

• remains of human beings on a number of continents
• similar fossils found on different continents
• how the continents drifted
• written records

_________ is the thickest layer of the Earth. 

• Inner Core
• Outer Core
• Crust 
• Mantle

The lithospheric plates make up which layer of the Earth?

• Crust
• Mantle 
• Outer Core
• Inner Core

Which layer of the Earth is most dense?

• Crust
• Mantle
• Outer Core
• Inner Core

In seafloor spreading, the ________ ocean floor is far from the mid-ocean ridge.

• newer
• rockier
• younger
• older