6th Earth's Layers and Plate Tectonics

What does the theory of continental drift state?

• The continents were once joined in a super-continent and have moved over time
• Continents are stationary and do not move
• The Earth is broken into lithospheric plates that move due to convection currents
• none of the above

The upper mantle and the crust make up the ______.

• mohorovicic discontinuity
• lithosphere
• outer core
• inner core

In which way do convergent boundaries move?

• Towards each other

• Away from each other

• Slide one another

• None of the above

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

Which is the coolest layer?

• crust

• mantle

• outer core

• inner core

What kind of boundary is shown in this image?

• Divergent

• Convergent: Subduction

• Convergent: Collision

• Transform

This is a picture of glacier scars found in Africa.  What are these evidence for?

• Africa has always been near the equator
• Africa was once in an area of the Earth that had a very cold climate
• The continents have not moved
• sea floor spreading

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

• Supreme Continent
• Eurasia
• Plate tectonics
• Pangea

During a geology field trip, Ava asked, 'Which material predominantly makes up the Earth's lithosphere?'

• sand

• ice

• magma

• rock