Plate Boundary Interactions

Plate Tectonics Review

Multiple Choice

This layer is completely liquid

• crust
• inner core
• mantle
• outer core

Multiple Choice

At which boundary is crust DESTROYED (when melting in the mantle!)?

• Continent- continent Convergent

• Transform boundaries

• Subduction zones

• All convergent boundaries

Multiple Choice

Scientists rejected the Theory of Continental Drift at first because

• they couldn't understand his theory
• Pangaea happened so long ago
• Alfred Wegener was a meteorologist
• convection currents were unknown

Multiple Choice

The core is made-up of what two elements?

• iron and nickel
• iron and oxygen
• nickel and silicon
• oxygen and silicon

Multiple Choice

Which layer is made of the crust and upper mantle?

• lithosphere
• asthenosphere
• mesosphere
• outer core

Multiple Choice

Which of the following does NOT provide evidence for the Theory of Plate Tectonics?

• Similar fossils found on different continents

• Continents seem to fit together

• Traces of glacial activity found on different continents

• Different types of rocks found on different continents

Multiple Choice

According to Wegener's theory of continental drift,

• Earth's surface is made up of seven major landmasses

• the continents do not drift

• Earth is slowly cooling and shrinking

• the continents were once joined together in a single landmass and have slowly moved.

Multiple Choice

Magnetic bands on the ocean floor are evidence that Earth’s magnetic field changes.

• TRUE

• FALSE

Multiple Choice

Underwater mountain belts where magma rises and solidifies.

• Mid-ocean ridges
• Oceanic Lithosphere
• Continental Lithosphere
• Himalayas

Multiple Choice

The American geologist who proposed the theory of sea-floor spreading is

• Alfred Wegener

• Albert Einstein

• Harry Hess

• Elon Musk

Plate Boundary Interactions

Convergent plate boundaries

A convergent boundary is where two tectonic plates push together, or converge.

Sometimes one plate will move under the other. This is called subduction.

Although the movement is slow, convergent boundaries can be areas of geological activity such as the forming of mountains and volcanoes.

They can also be areas of high earthquake activity.

Divergent plate boundary

A divergent boundary is one where two plates are getting pushed apart, or diverge.

The area on land where the boundary occurs is called a rift or a mid-ocean ridge. New land is formed by magma pushing up from the mantle and cooling as it reaches the surface.

Transform plate boundary

A transform boundary is one where two plates slide past each other.

These places are often called faults and can be areas where earthquakes often occur.

Multiple Choice

The image illustrates what type of boundary?

• Divergent
• Convergent
• Transform
• Emergent

Multiple Choice

The image illustrates what type of boundary?

• Divergent
• Convergent
• Transform
• Emergent

Multiple Choice

What geologic feature/event would you most likely to find at a convergent boundary between two pieces of continental crust?

• Volcano
• Mountain
• Rift
• Island Arc

Multiple Choice

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of continental crust?

• Mid-Ocean Ridge
• Mountain
• Rift Valley
• Island Arc

Multiple Choice

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of oceanic crust?

• Rift Valley
• Mid-Ocean Ridge
• Island Arc
• Flat land

Multiple Choice

What geologic feature/event you be most likely to find at a transform boundary?

• fault lines/Earthquakes

• Volcanoes

• Mountains

• Rift Valleys

Multiple Choice

Plates slide past one another at ____________ boundaries.

• divergent
• convergent
• transform
• submergent