Geothermal energy//electricity//Earth's surface//Conventional//heat//Volcanic//more//water//turbines//steam//vapors//supercritical water//higher//gas//pressure.



(1)________uses
the(2)_________trapped beneath the(3)_________to generate(4)___________.(5)____________geothermal energy utilizes(6)___________from natural sources such as geysers, or by drawing (7)__________from the hot, high-pressure depths of the Earth. The hot(8)____________are then used to drive electric (9)____________.

In the case of (10)_____________geothermal energy, the heat comes from(11)___________.The researchers explained that energy from so called supercritical water is much(12)___________than conventional geothermal steam. When molten rock and water meet,the extreme heat and(13)____________bring water to a "supercritical" state,where it is neither liquid or nor(14)_____________.In this form, the water can carry (15)__________energy than normal steam, which could create up to 10 times the power output of other geothermal sources​