Shelame123go Shelame123go Science Answered Activity 2.1 Directions: From the checklist below, check the box that describe sound energy. 1. It can travel through a vacuum or empty space. 2. It can be soft or loud depending on its volume. 3. It can only travel through a medium. 4. Its sound waves can be seen by our naked eye. 5.It is produced when a certain object vibrates. 6. Its vibration reaches our ears that is why we hear sound. Sound energy - is a type of wave motion. It can produce soft or loud sound but it can't travel through a vacuum or space.