Geothermal Energy Flashcards
the energy coming from the Earth’s internal heat
geothermal energy
the rate of change in temperature with depth
geothermal gradient
geothermal gradient varies from _____ per ___ in the upper crus
15 to 50 celsius per km
As large amounts of mass accreted and compacted, this caused these particles to collide and produce heat
friction
the potential energy is transformed into _________ energy
kinetic energy
this is what it allows in the process that forms a thermal blanket that traps the heat inside the earth
mantle convection
how is the heat on Earth manifested?
volcano eruptions, geysers, and hot springs
extremely hot, shallow magmas underneath volcanic areas heat up groundwater sometimes up to _______
370 celsius
underground systems of hot water or steam that is circulates in fractured or porous rocks
geothermal reservoir
an efficient geothermal reservoir should have a temperature of at least ___________ and must be within ___________ below the surface
200 celsius and 3 km
used to run turbines and generate electricity
steam
where is
the largest group of geothermal power plants is found, making the leading generator of geothermal electricity
California, USA
the number of megawatts (MW) USA generated in 2021
3722 MW
the 3rd highest producer of geothermal energy
Philippines
the number of MW Philippines has
1918 MW
