1. Electrical to mechanical II. Electrical to liga
chemical
A. I only B. I and II C. I, II, and III D. I,II,III, and IV
7. What energy transformation occurs when gasoline burns in an automobile?
A. chemical Thermal + nuclear
B. chemical mechanical + thermal
C. thermal electrical + mechanical
D. mechanical chemical + electrical
8. A burning candle changes
A thermal energy into chemical energy
B. chemical energy into electrical energy
C. chemical energy into mechanical
D. chemical energy into electromagnetic and heat energy
9. The flashlight uses three different forms of energy. Which of these shows the energy
transformation in correct order?
A. Mechanical thermal chemical
B. Electrical mechanical chemical
C. thermal chemical electromagnetic D. chemical electrical electromagnetic
10. Which of the following is a transformation from chemical energy to thermal energy? 10.
chemical to sound energy transformation
A. Coal is burned to boil water
B. Charcoal is burned in a barbeque pit.
C. Food is digested and used to regulate body temperature. D. all of the above