The document is a worksheet about whether objects sink or float. It contains 5 questions: 1) the title of the story is "Does it Sink or Float?", 2) a rock sinks when put in water, 3) a rock sinks because it is heavy, 4) a watermelon floats on water, 5) a watermelon floats because although it is heavy, there is air inside of it. The worksheet is to help practice question and answer skills.