Use this A2-B1 ESL science reading passage to learn why volcanoes erupt. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count292 wordsReading PassageA volcano is an opening in Earth's surface. Sometimes hot melted rock, gas, and ash come out of this opening. This event is called an eruption.Deep under the ground, some rock is ..
