Please pick up your lab reports and sign
Please pick up your lab reports and sign in. Monday Lab near door. Wednesday Lab near fume hood.
Popcorn
Popcorn Science: Analytical Chemistry How good is your popcorn? Industry’s Quality Standards: Expansion Kernel Size Moisture Content cm 3 / g Kernels / 10 g Percent H 2 O How would you measure each of these experimentally with lab equipment in your lab drawer?
Brand cm 3 / g Kernels / % H 2 O 10 g X 24. 8(+/-1. 7) 51. 5(+/-1. 0) 14. 0(+/-0. 7) Y 26. 2(+/-2. 4) 52. 8(+/-0. 7) 13. 8(+/-0. 5) Z 23. 0(+/-1. 1) 59. 1(+/-1. 8) 14. 3(+/-0. 6) Which is better? Industry’s Quality Standards: Expansion Kernel Size Moisture Content Overall Rank cm 3 / g Kernels / 10 g Percent H 2 O higher lower higher
Brand cm 3 / g Kernels % H 2 O Overall Rank / 10 g X 24. 8 (2) 51. 5 (1) 14. 0 (2) Y Z 26. 2 (1) 52. 8 (2) 13. 8 (3) 23. 0 (3) 59. 1 (3) 14. 3 (1) Which is better? Industry’s Quality Standards: Expansion Kernel Size Moisture Content cm 3 / g Kernels / 10 g Percent H 2 O higher lower higher
Brand cm 3 / g Kernels % H 2 O Overall Rank / 10 g X 24. 8 (2) 51. 5 (1) 14. 0 (2) 5 (1) Y Z 26. 2 (1) 52. 8 (2) 13. 8 (3) 6 (2) 23. 0 (3) 59. 1 (3) 14. 3 (1) 7 (3) Which is better? Industry’s Quality Standards: Expansion Kernel Size Moisture Content cm 3 / g Kernels / 10 g Percent H 2 O higher lower higher
Popcorn Science How good does it taste? Follow Dr. R’s instructions Taste Ranking of X, Y, and Z unknown popcorn. Taste each and rank them #1 or # 2 or # 3. Do not taste the popcorn if you have food allergies or do not wish to. Write down your ranking.
Popcorn Science How good does it taste? Follow Dr. R’s instructions Take out your i-clicker. Enter your rankings with your i-clicker as the questions appear. Ranking Questions: Which tasted the best; rank #1? A) X B) Y C) Z D= Cannot Tell Which tasted the next best; rank #2? A) X B) Y C) Z D= Cannot Tell Which ranked #3? A) X B) Y C) Z D= Cannot Tell E=Allergic/DNT
Brand 1 2 3 X Y Z 1 3 4 10 1 5 3 Taste Rank
Brand 1 2 3 Taste Rank X Y Z 5 4 7 16 15 8 7 30 5 8 5 18 15 16 5 36 6 4 4 14 X Y Z 18 8 4 30 Brand X Y Z 1 2 3 Taste Rank
X Y Z Brand cm 3 / g Kernel % H 2 O Overall Rank s / 10 g X 24. 8 (2) 51. 5 (1) 14. 0 (2) 5 (1) Y Z 26. 2 (1) 52. 8 (2) 13. 8 (3) 6 (2) 23. 0 (3) 59. 1 (3) 14. 3 (1) 7 (3) Taste Rank 1 79. 5% 77. 3% 74. 5%
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