Identify that sound energy needs a medium through which to travel. Compare how effectively sound travels through solids, liquids, and air. Demonstrate that vibrations in materials set up wavelike disturbances that spread away from the source. Construct a method to direct sound from the source to the receiver.
Science is a human endeavor involving knowledge learned through inquiring about the natural world. Scientific claims are evaluated and knowledge changes as a result of using the abilities and understandings of inquiry. The pursuit of scientific knowledge is a continuous process involving diverse people throughout history. The practice of science and the development of technology are critical pursuits of our society.
Scientific inquiry involves asking scientifically-oriented questions, collecting evidence, forming explanations, connecting explanations to scientific knowledge and theory, and communicating and justifying the explanation.