Activity 1.1 Defining Key Words
Define the following key words related to sound energy. Used the jumbled letters as clues.

1. It is the term to describe what is heard when sound waves pass through a medium

to the ear. (NDSUO)
2. Moving back and forth (or up and down) about a point of balance.
(BVIRTINO A)

_3. is the property of object which can be transferred to other objects or converted
into other forms, but it cannot be created or destroyed
(NERGEY)

4. Pattern of disturbance caused by the movement of energy travelling through a
medium (SN OUD AVEWS)

5. A substance through which a vibration travels. (MDIEUM)