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ENERGY STUDY GUIDE 1. What two factors determine how much potential energy an object has? 2. Identify objects that have kinetic energy. 3. A ski lift carries a skier up a hill. What does the ski lift do for the skier? 4. What are disadvantages to using nuclear power as an energy source? 5. During energy transformations, energy is never 6. What is the reason that solar energy is not a primary source of energy for generating electricity? 7. What two factors determine how much kinetic energy an object has? 8. An energy source that will eventually run out is called 9. What are examples of electrical energy? 10. ____________ energy is a form of energy an object has if it is moving. 11. ___________ is the ability to cause change. 12. Hydropower uses ____________ to generate electricity. 13. ________________ _______________ is the energy stored in an object due to its position. 14. If an object absorbs light energy, it thermal energy _________________. 15. ______________ energy is the type of energy light has. 16. As energy transformations occur within a system, the total energy in the system _______________ _______________. 17. A _________________ is a device that transforms kinetic energy into electrical energy. 18. Identify examples of objects that have potential energy. 19. ___________________ energy is the energy of hot drinks. 20. On a hot day, beach sand is hotter than the ocean water because of differences in __________________ ___________. 21. The thermal energy felt by standing around a campfire is from 22. The measure of the average kinetic energy of the particles in a substance is its 23. Which phase change results from a loss of thermal energy? 24. Heat engines convert 25. Thermal energy moving from a warmer object to a cooler object is called 26. The movement of water being heated in a pot on a stove is an example of 27. The ability to do work is called 28. Energy is measured in 29. Stored energy is correctly termed 30. Moving energy is correctly terms 31. An example of chemical potential energy is the energy of 32. An example of gravitational potential energy is 33. An example of elastic potential energy is 34. The energy of a ball flying through the air is 35. The main type of energy of stereos and computers is 36. Mass times gravitational acceleration times height is the rule to calculate 37. ½ times mass times velocity squared is the rule to calculate 38. “Energy cannot be created or destroyed in any chemical reaction. It can only be changed from one form to another.” This is known as 39. An energy transformation occurs when 40. An energy transfer occurs when 41. When heat from a stove is used to boil water in a sauce pan, this is an example of 42. Identify examples of convection. 43. Identify examples of thermal energy transfer. 44. __________________ is a measure of the average kinetic energy of all the particles in an object. 45. ________________ is the transfer of energy in the form of electromagnetic waves. 46. Thermal energy is the ______________ _______________ of the particles in a material. 47. The transfer of energy through matter by the direct contact of particles is called 48. ________________ is the transfer of energy by the motion of heated particles in a gas or liquid 49. If the particles in an object begin to move more quickly, their average kinetic energy _______________ and the object’s temperature ___________. 50. _____________ is the thermal energy that flows from a material with a higher temperature to one with a lower temperature.