Escapes Unit 7 Vocab Flashcards
Rift Valley
divergent crustal zone on a continental plate
Transform
plate boundary where two plates slide past each other
Subduction
when a denser plate moves underneath another plate into the asthenosphere
Tsunami
earthquake produced wave with longer legnth than height
Control Rods
using metals like boron or hafnium or lead to control the power of a nuclear reaction
Nuclear Fission
creating energy by separating heavy atoms into lighter ones (power plants)
Nuclear Fusion
achieving energy creation via the combination of lighter atoms into heavier (the sun)
Decommissioning
shutdown, removal of radioactive material, and capping of a nuclear power plant
Fallout
residual radioactive material in the atmosphere, ocean, or land from a nuclear disaster
Magnetic Reversal
when magnetic orientation to North/South flips
Mercalli Scale
measuring Earthquake intensity via interviews and narratives
Meltdown
nuclear reactor accident with core damage from overheating
S-Wave
secondary Earthquake wave, can only travel through solids, travels slower in up and down movement
P-Wave
primary Earthquake wave, goes through solids and liquids, travels faster in side to side movement
Trench
deep part of the ocean where oceanic plates subduct under continents
Richter Scale
measuring Earthquake intensity using seismograph magnitude and measurements
Watt
Unit of Power
Kilowatt
X1,000
Mega Watt
x1 million
Kilowatt hour
a measure of electrical energy equal to 1,000 watts for 1 hour.
Giga watt
x 1 billion
Maximum Sustainable Yield
maximum number that a natural resource can be used without long term
depletion
Trawling
- fishing practice where boat drags a funnel shaped net on the bottom of ocean floor
Purse Seining
catches schools of fish in a net
Long Lines
fishing lines up to 50 miles long with hooks and bait
Drift Nets
fence-like net that catches swimming fish
Bycatch
wrong animals caught in fishing nets or hooks
