Energy Transfer and Transformations – What is the role of energy in our world?
5.1 - Sound and light are forms of energy.
¨ Sound is a form of energy that is produced by the vibration of objects and is transmitted by the vibration of air and objects.
Light is a form of energy that travels in a straight line and can be reflected by a mirror, refracted by a lens, or absorbed by objects.
B 1. Describe the factors that affect the pitch and loudness of sound produced by vibrating objects.
B 2. Describe how sound is transmitted, reflected and/or absorbed by different materials.
B 3. Describe how light is absorbed and/or reflected by different surfaces.