Plate Tectonics & Geologic Features

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

• Continental crust

• Oceanic crust

• mantle

• outer core

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

During sea floor spreading, molten material rises up from the mantle...

• along the continents

• at the mid ocean ridges

• deep ocean trenches

• at north and south poles

Which of the following is where one plate slides under another plate?

• submarine zone
• divergence zone
• subduction zone
• lower zone

This land formation occurs at a divergent boundary.

• mid ocean ridge

• deep ocean trench

• pacific hot spot

• mountain range

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

The theory that says Earth's continents once made up an ancient supercontinent, and have been drifting apart ever since, is called the theory of...

• Pangea
• Plate Tectonics
• Natural Selection
• Gravity

Mountains are created when....

• Two continental plates collide
• Two oceanic plates pull apart
• An Oceanic plate subducts under a Continental Plate
• Two continental plates pull apart