Use this A2-B1 ESL science reading passage to learn how rainbows are made. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count262 wordsReading PassageA rainbow is a colorful arc that sometimes appears in the sky after rain. Rainbows look magical, but they are made by sunlight and water.Sunlight looks white to our eyes, but it..