Energy vocabularyOnline version Practice vocab for energy chapter in science by Joanna Hoover 1 heat is transferred by electromagnetic waves Hints 1 direct transfer of heat from on object to another 2 a circuit that has two or more paths through which electric charges can flow 3 a thin, coiled wire that can get very hot without melting 4 heat is transferred by currents in fluids 5 when positive and negative charges no longer balance 6 a material through which an electric current or heat can move easily 7 a circuit that allows electric charges to flow in only 1 path 8 a material through which an electric charge and heat do not move easily 9 an electric charge in motion