Plate-tectonics

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

• Supreme Continent

• Eurasia

• Plate tectonics

• Pangaea

Scientists think that convection currents that move the plates flow in Earth's

• Continental crust

• Oceanic crust

• Asthenosphere

• Lithosphere

The mantle of Earth is made partly of magma. When magma rises and sinks, this is called ______________.

• a conduction current

• a hot spot

• a volcanic eruption

• a convection current

Which type of plate boundary occurs at Y?

• divergent

• convergent

• transform

• sea floor spreading

What is happening at Z?

• mid-ocean ridge

• subduction zone

• transform boundary

• sea floor spreading

Name the boundary

• convergent boundary

• divergent boundary

• transform boundary

• sergent boundary

Name the boundary

• convergent boundary

• divergent boundary

• transform boundary

• sergent boundary

Name the boundary

• convergent boundary

• divergent boundary

• transform boundary

• sergent boundary

What landform is created when two continental plates collide?

• Ocean Basin

• Volcano

• Canyon

• Mountain Range

This begins at the mid-ocean ridge, new molten material from inside Earth rises, erupts, cools, and hardens to form a solid strip of rock.

• Ocean ridge

• Sea-floor spreading

• Magnetic strip

• Molten