In this assignment, you may work alone, with a partner, or in a small group. Discuss the results of your work and/or any lingering questions with your teacher. You are deciding whether to light a new factory using bulb A, bulb B, or bulb C. • Which bulb would be better to use on the factory floor? • Which bulb would be better to use in the break room? I To answer these questions, you will compare the energy usage of the three bulbs. The amount of energy the lights use is measured in units of kilowatt-hours. A kilowatt-hour is the amount of energy needed to provide 1000 watts of power for 1 hour. 1 Circle the two bulbs you picked. Incandescent Fluorescent Halogen