Use this A2-B1 ESL science reading passage to learn how a light bulb works. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count202 wordsReading PassageA light bulb is a small object that helps us see in the dark. We use light bulbs in homes, schools, shops, and streets. When we turn on a switch, the bulb can make light.A ligh..
