Plate Tectonics Review

Plate Tectonics Review

I DO NOT CARE what you score on this. This is for practice. If you get one wrong, check out correct answer. Make a note.

Try quizziz again and beat your score. When ready- take quiz. The start code is on last slide.

Continental Drift

What is it? What's the evidence?

Multiple Choice

What is the name of the supercontinent that Alfred Wegener proposed?

• Pandaworld

• Pangea

• Wakanda

Multiple Choice

How did Wegner explain finding identical fossils separated by oceans.

• The animals must have swum across

• There used to be a land bridge

• The continents used to be connected.

Multiple Choice

What did WEGNER NOT use as evidence of Continental Drift? (not available til after his death!)

• Fossils

• Shape of Continent

• Sonar Map of Ocean Floor

• Matching Rocks/ Mountains

Multiple Choice

At first, scientists ________the theory of CONTINENTAL DRIFT.

• Accepted

• Rejected

Multiple Choice

WHY did scientists REJECT the idea of CONTINENTAL DRIFT.

• Wegner had NO EVIDENCE that continents had drifted.

• Wegner couldn't explain WHY continents drifted . (NO MECHANISM)

Sea Floor Spreading

• How discovered?

• Why important?

Multiple Choice

Where did scientists first find evidence of WHY the continents moved?

• In a volcano

• On top of a mountain

• On the bottom of the ocean

Multiple Choice

What technology was used to make the first map of the ocean bottom?

• Telescopes

• Sonar

• GPS Satellites

Multiple Choice

Scientists expected the ocean bottom to be flat like a bathtub. What structure did they discover in the MIDDLE of all the world's oceans?

• Mid Ocean Ridges

• Rift valleys

• Deep Trenches

Multiple Choice

According to the theory of sea floor spreading, where is NEW OCEAN CRUST formed?

• In middle of ocean at mid ocean ridges

• At edge of ocean in deep sea trenches

Multiple Choice

According to the theory of SEA FLOOR SPREADING which rock is likely to be the OLDEST? (click picture for closer look!)

• A

• B

• C

• D

• E

Multiple Choice

According to the theory of SEA FLOOR SPREADING which rock was likely made at the same time as rock B?(and is the same age?)

• A

• B

• C

• D

• E

Multiple Choice

According to the theory of SEA FLOOR SPREADING which rock is likely to be the YOUNGEST? (click picture for closer look!)

• A

• B

• C

• D

• E

Multiple Choice

Magnetic polarity preserved in ocean crust ALSO supports Sea Floor Spreading. Rocks formed at the same time have

• The SAME polarity (BOTH rocks say NORTH is the same direction)

• OPPOSITE polarity (one rock says North is up, and the other says its DOWN)

Multiple Choice

All of these are evidence of Sea Floor Spreading EXCEPT:

• Age of ocean rocks

• Sonar map of ocean floor

• Magnetic Polarity of Ocean Rocks

• Matching shapes of continents

Forces that Move Tectonic Plates

What are the forces moving plates?

How do they work?

Multiple Choice

The MAIN force causing Earth's plates to move is

• Ocean currents

• Convection Currents in Mantle

• Gravity pulling down at plate edges

Multiple Choice

Magma in the mantle is heated by

• the Sun

• the Core

• Global Warming

Multiple Choice

As magma HEATS up, it gets

• More Dense

• Less Dense

Multiple Choice

As magma travels from point B to point C, it will (click diagram to enlarge)

• Cool off

• Warm up

Multiple Select

Other than Convection currents in the mantle, what OTHER FORCES move the plates? (Pick 2)

• GRAVITY pulling down at edge of plates

• OCEAN CURRENTS pushing plates

• WIND making plates move

• PRESSURE from magma

Earth's Interior

What are the layers?

How do we know?

Multiple Choice

What are the basic layers of Earth in order from outside to inside?

• Crust, Mantle, Outer Core, Inner Core

• Mantle, Crust, Outer Core, Inner Core

Multiple Choice

What is the THINNEST layer of the Earth?

• Inner Core

• Outer Core

• Crust

• Mantle

Multiple Choice

Which layer is made of SOLID METAL?

• Inner Core

• Outer Core

• Crust

• Mantle

Multiple Choice

Which layer is made of LIQUID METAL?

• Inner Core

• Outer Core

• Crust

• Mantle

Multiple Choice

The convection currents that move the plates happen in this layer.

• Inner Core

• Outer Core

• Crust

• Mantle

Multiple Choice

The main way scientists learned about the inside of the Earth was by

• Digging deep holes into mantle

• Studying how earthquakes move through earth

Plate Boundaries

Identify DIVERGENT, CONVERGENT, and TRANSFORM boundaries.

Predict where features like Volcanoes, Mountains, Mid Ocean Ridges, and Trenches will form.

Multiple Choice

Which of these is a CONVERGENT plate Boundary?

Multiple Choice

At location B (enlarge image) you are most likely to find:

• Mid Ocean Ridge

• Deep Ocean Trench

• Volcanic Islands

Multiple Choice

At location C (enlarge image) you are most likely to find:

• Mid Ocean Ridge

• Deep Ocean Trench

• Volcanic Islands

Multiple Choice

At which location are you likely to find Volcanic Mountains?

• A

• B

• C

Multiple Choice

What feature is likely to form at the boundary of the Nazca (ocean) plate and the South American Plate? (Enlarge to see plates and arrows!)

• Mid Ocean ridge

• Rift valley

• Volcanic Mountains and Deep Sea Trench

Multiple Choice

Divergent Plates

• Collide

• Divide

• Slip Past Each other

Multiple Choice

What feature is likely to form at the boundary of the Nazca (ocean) plate and the Pacific Ocean Plate? (Enlarge to see plates and arrows!)

• Mid Ocean ridge

• Only Earthquakes

• Volcanic Mountains and Deep Sea Trench

Multiple Choice

At location B (enlarge image) you are most likely to find:

• Folded Mountain Ranges

• Deep Ocean Trench

• Rift Valley

Multiple Choice

Transform plate boundaries

• Collide

• Divide

• Slide Past Each other

Multiple Choice

At a TRANSFORM plate boundary you would be likely to find

• Volcanoes

• Folded Mountains

• Rift Valleys

• Only Earthquakes

Start Code for quiz is

"plate"

The quiz is in your classwork- #38. You may take when you are ready.