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Chapter 15 & 16 Energy Study Guide 1. What is work? 2. What is transferred by a force moving an object through a distance? 3. The energy of motion is called? 4. Know KE formula and how to calculate a simple problem. 5. Gravitational potential energy is directly related to? 6. What is elastic potential energy? 7. Why is GPE different on the moon and on Earth? 8. The gravitational PE is always measured relative to ? 9. What increases when an object becomes warmer? 10. What type of energy is stored in gasoline? 11. Walking converts what type of energy into mechanical energy? 12. Nuclear power plants convert ______ energy into _______ energy? 13. Solar cells convert ______ energy into _______ energy? 14. What is the Law of conservation of energy? 15. What is mechanical energy equal to? 16. When does the KE of a pendulum increase the most? 17. What is E=mc2 18. What is a consequence of E=mc2 19. What is biomass energy? 20. What are some examples of nonrenewable energy resources? 21. Fossil fuels currently account for the majority of the world’s energy use, why? 22. What is a drawback of solar energy? 23. What is a benefit of a hydrogen fuel cell? 24. What are units of temperature? 25. Heat is the transfer of thermal energy from one object to another because of a difference in ______________________. 26. What property of an object is related to the average KE of the particles in that object? 27. As the temperature of an object rises, so does__________? 28. What device is based on the property of thermal expansion? 29. Thermal energy depends on an objects__________? 30. Which quantity represents the specific heat in this formula? Q=m x c x Δ T 31. What does a calorimeter measure? 32. How do you know a sealed calorimeter is a closed system? 33. Energy from the sun reaches Earth mostly by _________? 34. Matter is needed to transfer thermal energy by? 35. What type of material conducts heat well? 36. What does the first law of thermodynamics say? 37. According to the first law of thermodynamics, the amount of work done by a heat engine equals the amount of _____________________. 38. The second law of thermodynamics states that thermal energy can flow from colder objects to hotter objects ________________________. 39. What is a consequence of the third law of thermodynamics? 40. What type of central heating system is often used when heating many buildings from a central location?