Drifting Continents
Who came up with the theory of continental drift?
Alfred Wegener
Mountain ranges that ran along the middle of some ocean floors are known as what?
Mid-Ocean Ridges
The giant pieces of rock that hold the Earth's lithosphere and move slowly are known as what?
Plates
How many different types of plate boundaries are there?
3
What is Mr. Alden's favorite color?
Green
The idea that the continents slowly moved over Earth's surface is known as what?
Continental drift
What is it called when mid-ocean ridges continually add new matter to the ocean floor?
Sea-floor Spreading
How many MAIN tectonic plates are there?
7
When two plates move past each other in opposite directions, this is known as what type of boundary?
Transform boundary
What is Mr. Alden's favorite number?
41
"All the continents were once joined together in a single landmass and have since drifted apart." Is known as Wegener's what?
Hypothesis
When sea-floor spreading adds more crust to the ocean floor, does the older rock move farther away or closer to the mid-ocean ridge?
Farther away
Breaks in the Earth's crust where rocks have slipped/moved past each other is known as what?
A Fault
When two plates move towards each other is known as what type of plate boundary?
Convergent boundary
Mr. Alden has two favorite animals, give me one of those animals.
*Additional points if you can list both*
Bears and Penguins
What was Pangaea?
A supercontinent/single landmass
Eventually, sea-floor spreading will push the ocean floor into deep underwater canyons, these canyons are known as what?
Deep-ocean Trenches
A deep valley that forms where two plates move apart is known as what?
A Rift Valley
When two plates move away from each other is known as what?
Divergent boundary
Which Hogwarts House does Mr. Alde proudly belong to? Is it Gryffindor, Slytherin, Ravenclaw, or Hufflepuff
Hufflepuff
Wegener found three main forms of evidence for his hypothesis. What is one of these three forms?
*Extra points for any additional correct answers*
1. Land Features
2. Fossils
3. Climate
The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle again is known as what?
Subduction
Certain natural disasters can be formed when tectonic plates move, what is one example of these natural disasters?
*Extra points for additional correct answers*
Earthquakes, volcanoes, tsunamis, land slides
What type of boundary is known for creating earthquakes more often than the other two?
Transform boundary
What is Mr. Alden's favorite drink?
Monster