Chapter 14 Review Game

1. Chapter 14 Review Game March 2011

2. ___________ is a measure of the average kinetic energy of the particles in an object. Present your answers! temperature

3. All particles (whether solid, liquid, or gas) have ________ energy. Present your answers! kinetic

4. As temperature of a substance increases, the ______ energy of the particles in the substance ___________ (increase, decrease). Present your answers! Kinetic, increase

5. List the states of matter (not including plasma) in order of increasing kinetic energy. Present your answers! Solid, liquid, gas

6. Most substances _______ (expand, contract) when their temperature increases. Present your answers! expand

7. What is the boiling point and freezing point of water in Celsius? Present your answers! 100,0

8. What is the boiling point and freezing point of water in Fahrenheit? Present your answers! 212, 32

9. Zero on the Kelvin scale is ________ whereas zero on the Celsius scale is ____________. Present your answers! Absolute zero, fp of water

10. At what temperature is the kinetic energy of an object zero? Present your answers! Absolute zero, or 0K

11. Convert 21C to F and K Present your answers! 70 F, 294K

12. Convert 388 K to F and to C Present your answers! 239F, 115C

13. Convert -196 C to F and K Present your answers! -321 F, 77 K

14. Convert 110 F to C and K Present your answers! 43 C, 316K

15. ________ is the energy transferred between two objects due to a temperature difference Present your answers! heat

16. Heat energy is tranferred from the ______ object to the ________ object. Present your answers! Warmer, cooler

17. List the three ways energy can be transferred: Present your answers! Conduction, convection, radiation

18. The energy transfer resulting from the movement of warm fluids is ________. Present your answers! convection

19. The transfer of energy as heat through a material is ________. Present your answers! conduction

20. The energy that is transferred as electromagnetic waves, such as visible light and infrared waves is ________. Present your answers! radiation

21. Name the type of energy transfer:Your hand being burned when you accidentally touch a hot plate that has been left on. Present your answers! conduction

22. Name the type of energy transfer:This is how energy from the sun reaches Earth. Present your answers! radiation

23. Name that type of energy transfer:You can feel the warmth of a campfire by standing close to it. Present your answers! radiation

24. Name the type of energy transfer:A water in a pot is evenly heated as warm water rises and mixes with cooler water. Present your answers! convection

25. All hot objects give off _________. Present your answers! Infrared radiation

26. Fluids can undergo convection. Fluids include both _______ and _______. Present your answers! Liquids and gases

27. A _________ is a material through which energy can be easily transferred as heat, whereas a ___________ is a material that transfers energy poorly. Present your answers! Conductor, insulator

28. The amount of energy required to change the temperature of a substance can be calculated using the substance’s unique ___________ _____. Present your answers! Specific heat

29. How much energy is needed to increase the temperature of 755g of iron from 283K to 403K? The specific heat of iron is 449. Present your answers! 40,700 J

30. How much energy must a refrigerator absorb from 225 g of water to decrease the temperature of the water from 35C to 5C? The specific heat of water is 4186. Present your answers! 28,000 J

31. Heat energy added to a substance either raises that substance’s ________ or changes that substance’s ______ (but NOT both at the same time!) Present your answers! Temperature, state

32. True or False. Heat energy added to melting ice increases the water’s temperature. Present your answers! False; the heat energy is being used to pull the particles apart (from solid to liquid)

33. Name the law that states that the energy transferred as heat always moves from an object at a higher temperature to an object at a lower temperature. Present your answers! 2nd law of thermodynamics

34. Name the law that states that the total energy used in any process is conserved, whether that energy is transferred as a result of work, heat, or both. Present your answers! 1st law of thermodynamics

35. The measure of the disorder of a system is known as _______. Present your answers! entropy

36. Over time, the entropy in a system will tend to _______ (increase, decrease). Present your answers! increase

37. Usable energy _______ (increases, decreases) in all energy transfers. Present your answers! decreases

38. Processes in which energy is transferred by work are called _________ processes. Present your answers! mechanical

39. THE END!!!! Present your answers!

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