EARTH SCIENCE-Plate Tectonics Quiz

The earth’s crust and upper mantle (lithosphere) are broken into sections called

• Continents

• Plates

• Oceanic crust

• Continental crust

The theory of plate tectonics helps explain which of the following?

• The symbiotic relationship between tubeworms and bacteria

• The extinction of dinosaurs

• The movement of continents and the occurrence of volcanoes and earthquakes

• 1,000meters

What are plates composed of?

• The outer core only

• Continental and/or oceanic crust plus a small part of the upper mantle

• Continental crust only

• Oceanic crust only

Where do mid-ocean ridges form?

• On boundaries where one plate is subducting under the other

• On boundaries where plates are spreading apart

• On boundaries where plates are sliding past each other

• On boundaries where plates are colliding

Transform faults, such as San Andreas Fault system in California, occur where?

• On boundaries where one plate is subjecting under the other

• On boundaries where plates are spreading apart

• On boundaries where plates are sliding past each other

• On boundaries where plates are colliding

What process is building the Himalayas, the tallest mountain on earth?

• Two oceanic plates colliding

• Sea floor spreading

• Two continental plates colliding

• The creation of rift valleys

What caused the movement of earth’s plates?

• Conduction

• Earthquake

• Convection current in the mantle

• Earth’s magnetic field

The geological theory that states that pieces of earth’s lithosphere are in constant, slow motion is the theory of

• Subduction

• Plate tectonics

• Deep ocean trenches

• Sea floor spreading

A place where two plates slip past each other, moving in opposite directions is known as

• Transform boundary

• Divergent boundary

• Convergent boundary

• Rift valley

A collision between two pieces of continental crust as a converging boundary produces

• Mid ocean ridge

• Deep ocean trench

• Rift valley

• Mountain range