CA.PS. Physical Sciences
PS.1. Energy and matter have multiple forms and can be changed from one form to another. As a basis for understanding this concept:
PS.1.d. Students know energy can be carried from one place to another by waves, such as water waves and sound waves, by electric current, and by moving objects.
PS.2. Light has a source and travels in a direction. As a basis for understanding this concept:
PS.2.b. Students know light is reflected from mirrors and other surfaces.