A lamp that plugs into a wall socket draws energy, which flows through a thin wire in the bulb, causing it to heat up until it glows. What energy
transformations are taking place
Chemical - light - electrical
Mechanical - sound - light
Thermal - solar - electrical
Electrical - thermal - light
An electric pencil sharpener uses electricity to make its motor soin. The pencil sharpener also makes noise and heats up. Which observation