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3. Heat Heat Energy Capacity Phase Changes Molecular Motion Types of
Transformations
Heat
Capacity
Phase
Changes
Molecular
Motion
Types of
Heat
Transfer
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4. NaShaun lights a match. What type energy transformation is this?

5. Chemical -> Thermal

6. A light bulb takes thermal energy and transforms it into what type of energy?

7. Light

8. A hand-crank generator involves what type of energy transformation?

9. Mechanical -> Electrical

10. What two types of energy transformations does a flashlight go through?

11. Chemical -> Electrical Electrical -> Light
and
Electrical -> Light

12. Caleb, who is obsessed with Justin Bieber, dreams of getting a ticket to his next performance, but doesn’t have enough money. He decides to go to gym to work of his stress. In his anger of not getting to go to the concert, shoves a 20 pound medicine ball that plows through the door, and rolls down a hill. The ball hits a switch which charges a battery. The battery powers a fan. The fan blows Jacob’s ticket to the concert all the way to where Caleb is standing. Name all of the energy transformations.

13. Kinetic -> Electrical Electrical -> Chemical
Chemical -> Electrical Electrical -> Mechanical

14. What is the definition of heat capacity?

15. The number of heat units needed to raise the temperature of a 1-gram object by one degree Celsius or Kelvin.

16. If a substance has a specific heat of 4. 1, a mass of 5
If a substance has a specific heat of 4.1, a mass of 5.6 grams, and a temperature change of 9 degrees, what is the amount of heat energy required to raise the substance by 1 degree?

17. J

18. If a substance has a specific heat of 7
If a substance has a specific heat of 7.2, a mass of 1 kilogram, and a temperature change of 13 degrees, what is the amount of heat energy required to raise the substance by 1 degree?

19. 93,600 J

20. If a substance has a specific heat of 2. 4, a mass of 0
If a substance has a specific heat of 2.4, a mass of 0.36 hectograms, and a heat capacity of 94.5, what is the temperature change rounded to the nearest hundredth?

21. 1.09 C

22. What is the specific heat of liquid water in joules rounded to the nearest whole number?

23. 4 J (4.184 J)

24. What phase change occurs when ice turns to water?

25. Melting

26. Ice-Man, a superhero completely made of ice, is zapped by Baker
Ice-Man, a superhero completely made of ice, is zapped by Baker. Ice-Man is then instantly transformed into water vapor. What phase change is this?

27. Sublimation

28. What is the opposite of deposition?

29. Sublimation

30. One day, a water droplet named Ryan turned into water vapor
One day, a water droplet named Ryan turned into water vapor. He went up into a cloud, and a few hours later he was turned into rain. He flowed through a river that led to Canada, where he was turned ice. What were the phase changes Ryan endured, in order?

31. Evaporation -> Condensation -> Freezing

32. Create a graph showing all of the phase changes
Create a graph showing all of the phase changes. (Solid to Liquid, Liquid to Gas, and furthermore)

34. List plasma, liquid, gas, Bose-Einstein condensate, and solid from slowest to fastest molecular motion.

35. Bose-Einstein condensate
Solid
Liquid
Gas
Plasma

36. What state of matter is the sun?

37. Plasma

38. Molecules in a Bose-Einstein condensate state of matter do not move
Molecules in a Bose-Einstein condensate state of matter do not move. Why?

39. The molecules do not move because their temperature is at absolute zero.

40. A usual body temperature is 98. 6 degrees Fahrenheit
A usual body temperature is 98.6 degrees Fahrenheit. When Audrey got sick, the doctor measured her temperature. He/she tells Audrey her molecules were slower than usual. Is Audrey’s temperature higher or lower than 98.6 degrees Fahrenheit?

41. Lower

42. What temperature is absolute zero in Celsius and Kelvin?

43. C and 0K

44. Norvinya decides to heat up some tea, so she places a teapot on a stove. What type of heat transfer is this?

45. Conduction

46. What type of heat transfer does the sun heat the earth?

47. Radiation

48. Microwavable popcorn is heated through what type of heat transfer?

49. Radiation

50. What type of heat transfer heats water in a lake
What type of heat transfer heats water in a lake? What type of heat transfer keeps the water at the bottom from getting too cold?

51. Radiation and Convection

52. A black car is hotter than a white car because it absorbs more __________ from the sun. The air inside of the car is hot because it circulates and is heated through __________. When you get in the car you touch the dashboard and can feel it is very hot. You can feel this because of __________. (fill in the blanks)

53. Radiation, Convection, and Conduction

54. Final Jeopardy
Make your wager

55. Final Answer

56. Final Question