5. I placed the same 50mL of popcorn kernels in the freezer for 3 hours. I then repeated the test from #2 to see if the data for the kernels changed. If the kernels used oxygen either faster or slower this would
indicate that they are responding to the decrease in temperature.
Oxygen data
203
205
20.2
20.1
20.0
200
(s) o
(*) so
19.5
19.9
19.0
19.0
197
0
50
100
150
200
250 300
0
50
100 150
200
250
300
Time(s
Time (s)
Room temp kernels (blue)
Frozen kernels (green)
20.23%
20.6%
Beginning oxygen %
Ending oxygen %
19.87%
18.75%
Change (beginning - end)
Rate (change/time)
Carbon Dioxide Data