Quick answer: Electrical power is the rate at which an appliance transfers energy, measured in watts. This grade 8 science quiz checks electrical power with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This electrical power quiz for grade 8 science has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on electrical power.
Ten multiple-choice questions on watts, P = V × I, kilowatt-hours and bills. Pick one answer for each, then read the explanation to see why it is right and which mistake the other choices come from.