1. Sources of energy include: A. Food B. Sun C. Wind D. All of the above 2. All sounds have ____ in common: A. Traveling energy B. Vibrations C. Waves D. All of the above 3. Sound travels through which of the following: A. Liquid B. Gas C. Solid D. All of the above 4. Forms of energy include: A. Heat B. Light C. Electrical D. Sound 5. What form of energy do plants give when you eat them? A. Heat B. light C. electrical D. sound 6. What form of energy is possessed by the ringing bell in the bell church tower? A. heat B. Light C. electrical d. sound