1) T/F A battery converts chemical energy to electrical energy. 2) T/F A battery produces alternating current. 3) T/F Metals are good insulators. 4) T/F Falling water can be used to generate electricity. 5) T/F A light switch can be sued to open or close an electrical circuit. 6) T/F Solar cells can be used to power calculators and cars, and to heat buildings.