surrounded by a liquid outer core that is composed mostly of iron and nickel. Both of these metals are good conductors of electricity. The convection currents in this liquid layer create electric currents within the liquid metal, which create magnetic...
Why Fire Is the Greatest Tool of All Time What is lava, anyway? Basically, it’s partially liquid rock. Earth’s core can get so hot—we’re talking as high as 6,000 degrees Celsius—that it melts rocks and minerals in the Upper Mantle, the layer about 30 to 60 miles below ground...
The very top layer of earth provides consistent heat of approximately 50-60 degrees Fahrenheit. This outer layer is where a geothermal heat pump works best for heating and cooling buildings. An air system and the heat exchanger are buried in the groundwork simultaneously to pump heat into a bu...