| − | '''Geothermal energy''' is [[heat]] from within the [[earth]]. We can use the [[steam]] and hot water produced inside the earth to heat buildings or generate [[electricity]]. Geothermal energy is a [[renewable energy]] source because the water is replenished by [[rainfall]] and the heat is continuously produced inside the earth. | + | '''Geothermal energy''' is [[heat]] from within the [[earth]]. People can the [[steam]] and hot water produced inside the earth to heat buildings or generate [[electricity]]. Geothermal energy is a [[renewable energy]] source because the water is replenished by [[rainfall]] and the heat is continuously produced inside the earth. |