Evidence of Plate Motions
Pangea
The Oceanic Plate will move under the continental plate because its _______?
Very dense
What is a structure that forms in Earth's Crust when molten material reaches the surface?
Volcano
Landslides will cause a displacement of water which could trigger a Tsunami. TRUE OR FALSE
TRUE
Shaking and trembling that result from plate movements is called ____.
An Earthquake.
What is the region around the pacific ocean prone to volcanic activity and earthquakes?
Ring of Fire
A 2015 film featuring Dwayne Johnson is named after this fault, in the movie a 7.1 earthquake takes place trigging a tsunami and causing massive damage. What is the name of the Fault?
San Andreas
Molten mixture of rock forming substances gases and water from the mantle is called ______ , as it reaches the earths surface and flows out it then is called _____.
Magma, Lava
What kind of creature came from the deep Mariana Ocean Trench in the 2018 movie staring Jason Statham.
Megalodon
A wave or series of waves produced by an earthquake or landslide.
The type of current that takes place in the mantle where hot molten matter rises and the cooler matter will sink and cycle back to the top when it's hot again?
Convection
What are the 3 types of boundaries and describe?
Divergent - Plates pull apart
Transform - Plates move past each other
Define what it means to be Active, Dormant, and Extinct.
Active - still erupting
Dormant - Sleeping and poses little threat
Extinct - Dead no longer erupting or has not erupted in recorded history
Where did the 9.0 earthquake take place in 2011, causing a Tsunami and 16,000 deaths.
Japan
What is Magnitude?
A single number assigned to an earthquake based on its size
What was the name of the German meteorologist who came up with the theory of the continent drift?
Alfred Wegener
What are the 3 types of seismic waves?
P waves, S waves, Surface waves
What are the two types of magma and what happens with each?
Thin and Runny cause a quiet eruption as gases will bubble out and lava flows faster.
Thick and Sticky can cause a build up in the pipe trapping the gases which then create an explosion due to the pressure build up. Lava tends to flow slowly.
When a plane is compressed it can create anticlines and synclines that can become what?
Mountains and valleys
What is the Mid- Ocean Ridge?
Long, zipper like chains of undersea mountains
Give 3 examples of how the idea of Pangea exists?
What are the three types of faults and describe what happens in each?
Normal Fault - The hanging wall slips down relative to the footwall. ( Plates pull apart)
Reverse Fault - The hanging wall slides up over the footwall. (Plates push together)
Strike - Slip Fault - The two walls grind past each other in opposite directions
Name the three types of Volcanoes and describe.
Shield - Very large, flatten. Usually take place over a hotspot, slow steady eruption.
Composite - Tall, made of alternating layers, cone- shaped, largest and most dangerous
Cinder Cone - Tall and skinny, very explosive
Why does Hawaii not fit like a puzzle piece like the rest of the continents in the Continental Drift Theory?
Because Hawaii was and still is created by volcanic activity.
What is Subduction?
The sinking movement of the ocean floor back into the mantle.