6. It is the ability to cause changed the capacity to perform work. A. Energy B. Force C. Gravity D. Electricity 7. What state of energy of motion, when energy is being transferred A. Potential B. Gravity C. Kinetic D. Force 8. Energy that is waiting to be transferred or stored energy? A. Potential B. Gravity C. Kinetic D. Force 9. It is an energy associated with changes in the nucleus of atoms. A. Chemical B. Mechanical C. Nuclear D. Sound 10. Which is not belong to Chemical Energy? A. Guitar string B. Gasoline C. Coal D. Food 11. Infrared, Microwave, Flashlight and Bulb are examples of what forms of Energy? A. Thermal B. Chemical C. Mechanical D. Light 12. Which of the following devices produce both heat and light? A. Floor polisher B. Electric Fan C. Hair Iron D. Electric Stove 13. Why is electricity used by people? It A. Can be easily used B.. Is available anywhere C. It can be change into other forms D. Is expensive 14. Objects that share electrons easily. A. Conductors B. Insulators C. Semiconductors D. Gravity 15. Objects that do not share electron easily. A. Conductors B. Insulators C. Semiconductors D. Gravity