<p>Correct Answers are in blue 2nd Nine Weeks Benchmark Study Guide</p><p>1. Potential Energy is converted to KINETIC energy and back to POTENTIAL energy. </p><p>2. In every energy transformation there are two outcomes: 1. WORK is done and 2.HEAT is given </p><p> off.</p><p>3. According to the LAW OF CONSERVATION OF ENERGY , energy is never lost.</p><p>4. In a battery, CHEMICAL energy is changed to electrical energy.</p><p>5. In which substance (solids, liquids, gases) do particles move the slowest? SOLIDS </p><p>6. In which substance (solids, liquids, gases) do particles move the fastest? GASES </p><p>7. As a substance is cooled the molecules/particles move (faster/slower)? SLOWER </p><p>8. By increasing the KINETIC (kinetic / potential) energy of molecules in a substance the </p><p> substances temperature will rise.</p><p>9. In order for sound to travel it must have a MEDIUM to travel through.</p><p>10. Thermal energy is always transferred from the WARMER object to the COOLER object until the two</p><p> have the same temperature.</p><p>11 – 19. List the form of energy associated with each word or phrase</p><p>11. Lightning ELECTRICAL energy</p><p>12. Fossil fuels (oil, gas, coal) CHEMICAL energy</p><p>13. Battery CHEMICAL energy</p><p>14. Shooting a basketball into a hoop MECHANICAL energy</p><p>15. The light from a light bulb ELECTROMAGNETIC energy</p><p>16. An atomic weapon NUCLEAR energy</p><p>17. Heat from a fire THERMAL energy</p><p>18. Music coming from the radio SOUND energy 19. A slice of pizza CHEMICAL energy</p><p>20. In an internal combustion engine (car engine) the correct order of transfer is CHEMICAL energy </p><p> from the gasoline to THERMAL E nergy to MECHANICAL energy in the motion of the car. </p><p>21. When producing electricity from fossil fuels, the correct order of energy transformation is </p><p>CHEMICAL energy from the coal to MECHANICAL energy turning the turbine, spinning the magnet in</p><p> the coil of wire to produce ELECTRICITY .</p><p>22. Conduction = the transfer of heat through DIRECT CONTACT </p><p>Example: A metal pot gets hot when touching the eye of the stove. </p><p>23. Convection = the transfer of heat through LIQUIDS & GASES </p><p>Example: A hot air balloon rising.</p><p>24. Radiation = the transfer of heat through ELECTROMAGNETIC WAVES </p><p>Example: The suns energy to warm Earth.</p><p>25-30 List the form of heat transfer associated with each word or phrase</p><p>25. Warming your hands above a fire CONVECTION </p><p>26. Air Conditioning CONVECTION </p><p>27. Using a curling iron to curl your hair CONDUCTION </p><p>28. Burning your hand on the stove CONDUCTION </p><p>29. A cat lying in front of a fire RADIATION </p><p>30. Water boiling CONVECTION </p>