Show:
Drifting Away
Push, Pull, or Drag
Where's the Proof?
I Fell into a Burning Ring of.....
Pandora's Box
100
This is the theory that Alfred Wegener proposed nearly 100 years ago
What is continental drifting?
100
Rocky Mountains
What is convergent with same density?
100
Evidence that first led Alfred Wegener to discover the theory of continental drift?
What is puzzle like fit of continents?
100
The Ring of Fire is located around this oceanic plate
What is the Pacific Ocean Plate?
100
A name given to the formation of new crust
What is sea floor spreading?
200
Pangaea is often called this because it is more than one continent put together.
What is a supercontinent?
200
Mount St. Helens
What is convergent with subduction?
200
Describe how fossils can prove continental drift
What is two of the same fossils were found on different continents separated by ocean.
200
This happens when an ocean plate converges into a continent plate
What is subduction or a volcano
200
List the 8 continents that made up Pangaea.
What is NA, SA, Australia, Antarctica, Eurasia, India, Greeland, Africa
300
The two continents that scientists thought might have used to fit together.
What is South America and Africa?
300
Earthquakes from the San Andrea's Fault
What is transform?
300
Submarines first discovered this proof to sea floor spreading using a magnometer
What is magnetic reversal?
300
90% percent of these are located on the Ring of Fire
What are earthquakes?
300
this is how the mid atlantic ridge was made
What is divergent plate boundary
400
The continent that has moved the farthest from its original position in Pangaea
What is India?
400
Indonesian Earthquake that made a tsunami (part of ring of fire)
What is convergent (subduction)?
400
Glacier scars on Africa, Australia, and Antarctica show this
What is that the three continents were once joined and had the same climate.
400
This is the difference between a mountain being formed and a volcano
What is the density of the plates?
400
The most dense type of tectonic plate
What is oceanic (basaltic) crust?
500
The cause of plate movement
What is convection in the mantle?
500
Mauna Loa (Hawaii's Volcano)
What is a hotspot?
500
The shape and age of the Caledonian mountains in Europe and the Appalachian mountains in North America is very similar. This shows....
What is that they were once the same mountain range and have drifted away over time.
500
The reason the ring of fire has so many earthquakes
Subduction of an oceanic plate under a continental plate causes earthquakes
500
This is the reason that Hawaii is an island chain and not one giant island
What is the hotspot is staying in the same spot but Hawaii is moving.