Use this A2-B1 ESL science reading passage to learn why ice floats on water. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count185 wordsReading PassageIce cubes float in a glass of water. This may seem normal, but it is actually unusual. Many solid forms of materials are heavier than their liquid forms. Water is different.Ic..