plate tectonics and layers of earth

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.

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

• Continental crust
• Oceanic crust
• Asthenosphere
• Lithosphere

The physical layer of Earth made of solid rock and soil is called the ___________. 

• mesosphere
• lithosphere
• asthenosphere
• mantle

Most volcanoes and earthquakes occur...

• along the coast
• along tectonic plate boundaries
• in the Arctic
• in the ocean

Two tectonic plates collide at a _______ plate boundary.

• convergent
• divergent
• transform

A continental rift valley can be formed from stretching continental crust at...

• transform plate boundaries
• convergent plate boundaries
• divergent plate boundaries
• all plate boundaries

This landform can occur at a divergent plate boundary.

• ocean trench
• mid-ocean ridge
• tall mountains
• transform fault

What is the name of the plate boundary that slides past each other?

• Divergent
• Convergent
• Transform
• Mr. C the Slide Man

Transform boundaries are most likely to produce what phenomenon?

• volcanoes
• deep sea trenches
• underwater mountain ranges
• earthquakes

When an oceanic plate and a continental plate collide, which one will subduct?

• oceanic
• continental
• neither