electricity|noun|a form of energy that flows through wires to provide heat and light, and power to machines
heat|noun|great warmth; that which is produced by burning fuel; energy from the sun
heat|noun|great warmth; that which is produced by burning fuel; energy from the sun
reduce|verb|to make less or smaller in number, size or amount; to cut
solve|verb|to find a way to deal with a problem; to find the correct answer or explanation 
wood|noun|the solid material that trees and their stems and branches are made of
