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- Geology 103
- Deane
- Geology Test 2 Flashcards
Geology Test 2 Flashcards
Geology 103 with Deane at University of Tennessee - Knoxville
About this deck
By: Jordan Harpstrite
Created: 2011-02-24
Size: 34 flashcards
Views: 359
Created: 2011-02-24
Size: 34 flashcards
Views: 359
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Where are the youngest rocks of the Atlantic Ocean found?
Along the mid-oceanic ridge and the farther you move away from the ridge, the older the rocks become on either side of the ridge
3 different ways plate tectonics interact along their boundaries
transform
divergent
convergent
Why is Mt. Everest 20,000 ft high
Because India smashed into Asia
Where are the youngest rocks in the ocean found?
In the center they are 180 million years old
What causes pigment coloration around something
Bacteria
1816 became known as the year without a summer/poverty year
Eighteen hundred froze to death
where do most earthquakes occur
Along plate tectonic boundaries (fault lines)
Most deaths from earthquakes are due to what?
Buildings collapsing
How longs was the fault line along which the 2004 earthquake occurred that caused the massive southeast Asian tsunami
1,000 miles long
What was the magnitude on the Richter scale
9.3
How long did the earthquake last?
10 minutes
What caused the most damage in the great San Fran earthquake of 1906?
Fire
Glaciers are divided into 2 types on the basis of size and occurence.
Alpine
Continental
Alpine glaciers
Are also known as mountain or valley glaciers
Continental glaciers
Are also known as ice caps or ice sheets
What was the most severe ice age, when did it occur?
Snowball earth 800-600 million years ago
Permanent sea ice extended to or very near the equator
What is Thermohaline Circulation
Large scale ocean currents they are created by regional differences in temperature and salinity
Evaporative Cooling in the Northern latitudes and equatorial heating
Drives the movement of water currents in a great circular flow around the world
The deep water flows through the Antarctic ocean basin around South Africa where it is split into what 2 routes?
Into the Indian Ocean
Past Australia in the Pacific
What do jetties, groins, seawalls, and break waters all have in common?
They all increase erosion
Zuider Zee
The dutch have been reclaiming land from the sea so the dammed up the estuary
Half a million acres have been reclaimed
Tropical depressions have maximum sustained winds of what?
39 miles per hour/35 knots
They resemble a series of disorganized thunderstorms
Tropical storms
Once a tropical depression has intensified to have winds between 35-64 knots
A tropical storm becomes a hurricane when?
Minimum sustained winds exceed 64 knots
How much energy is the U.S using per year?
100 quadrillion BTU
Consumption is rising
The U.S. produces 80% of energy from what?
Fossil Fuels: Coal, natural gasses and oil
How much oil do we consume per year?
7 billion barrels
What is the basis for fission powered nuclear reactors?
A controlled nuclear chain reaction with a continuous moderated release of energy
Why do we not use uranium 235 instead of 238?
235 chain reaction converts the uranium into lead
The "used" U-235 fuel is said to be what?
"Spent"
If you create a chain reaction with uranium 238 it is converted into what?
Plutonium 239
What is the most dangerous substance in the entire universe?
Plutonium
What is the worst nuclear power plant accident in history?
Crisis at Chernobyl
What happened at Chernobyl?
The core in reactor 4 over heated, causing a massive steam/hydrogen gas explosion, this destroyed the backup water cooling system
About this deck
By: Jordan Harpstrite
Created: 2011-02-24
Size: 34 flashcards
Views: 359
Created: 2011-02-24
Size: 34 flashcards
Views: 359
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy