Plate Tectonics

Early observers thought continents may have been joined based on what observations

• rocks and fossils
• earthquakes.
• magnetism.
• coastline

A German scientist Alfred Wegener was the first to hypothesize that ...........

• Continents were once joined
• The sea floor is spreading
• Continents are moving
• The Earth's magnetic pole flips

Pangaea was an ancient supercontinent made up of...

• America, Greenland, and Europe.
• Antarctica, India, and America.
• all of Earth’s continents.
• South Africa, India, Australia, and South America.

Wegener suggested that coal beds discovered in Antarctica indicated that this continent was

• once under water
• always  frozen
• once near the equator
• part of Africa

Where are most divergent boundaries located?

• Along the middle of most ocean floors
• Along the margins of most continents
• Across the middle of many continents
• All the above options are correct

The Himalayan mountains have some of the highest peaks like Mt. Everest, on which type of convergent boundary are they located?

• Oceanic/Continental
• Oceanic/Oceanic
• Continental/Continental
• None of the above

What type of features are associated with a divergent boundary?

• Rift valleys
• Volcanic mountains
• Fold mountains
• Fault block mountains

The mechanism that moves continents is based on heat energy moving by

• Radiation in the core
• Conduction in the lithosphere
• Convection in the Asthenosphere
• None of these options is true

The San Andréa fault in California is one example of a...  

• Divergent boundary
• Convergent boundary
• Transform boundary
• All of the above

A ______ is a section of the lithosphere that slowly moves over the asthenosphere, carrying large slabs of continental and oceanic crust.

• wedge
• plate
• chunk
• fault