Cell Energy Inquiry Investigation - Hour 1 by Jeremy Mohn https://padlet.com/jmohn/j0ma50ttavyk Group 1 en-us 2016-10-19 00:58:48 UTC 2025-09-12 13:18:24 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Thunder.png Procedure jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666443
  • Gather materials.
  • Insert leaves (5) into jar and calibrate CO2 probe.
  • Place CO2 probe into jar.
  • Fill up Super Big Gulp cup with lukewarm water.
  • Insert jar with probe into cup, and measure the CO2 levels for two minutes.
  • Repeat steps 2-5 with cold and room temperature water.
  • Make conclusions.
    • ]]>     2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666443     Hypothesis/Prediction jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666444 Hypothesis: 

    Photosynthesis will occur the most at lukewarm temperature, second most at room temperature, and the least at a cold temperature.

    Prediction: 

    If...Photosynthesis occurs the most at lukewarm temperature, second most at room temperature, and the least at a cold temperature. ... then ... the CO2 levels will be the lowest at the end of the experiment for the lukewarm temperature, second lowest at the room temperature, and the highest after the cold water.
    ]]>     2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666444     Temperature affect on Photosynthesis jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666445 Names: Josh S, John G, Eastin W]]> 2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666445 Results jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666446 For the most part, all of the CO2 levels were lowest at the 60 second mark. The warm water got a low CO2 level, and then started to go back up. The cold water had the largest impact on the CO2 level. It had a difference of -83ppm. The room temperature was in the middle. It had a difference of -51ppm, and the warm water had difference of +15ppm.

    ]]>     2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666446     Conclusion jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666447 In our experiment, we believed that lukewarm water would work best for photosynthesis. During the experiment however, we found that we were incorrect. The cold water had the greatest drop from start to finish and start to 60 seconds. We found that the room temperature water and the lukewarm water were both the same for the difference from start to middle but the hot water increases co2 production in the end, therefore deeming room temperature second best. We found that the graph tended to decrease in co2 at the beginning but then increase toward the end. The cold water dropped in co2 87 ppm while the others dropped 47 ppm from the start to 60 seconds. The cold water dropped 83 ppm from start to finish while room temp dropped 51 and lukewarm gained 15 ppm. This shows that, against our hypothesis, the cold water is most effective to photosynthesize in. Some sources of error were that the cup was dark, liming full photosynthesizing capabilities, the leaves had been off the plant for a while, possible hindering photosynthesis for the later experiments, and the water amount wasn't exactly the same.]]> 2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666447 Research Question jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666448 How does temperature impact the rate of photosynthesis?]]> 2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666448 Graph jmohn https://padlet.com/jmohn/j0ma50ttavyk/wish/131666449
    The cold is green, the warm is red, and the blue is room temperature.]]>     2016-10-19 00:58:48 UTC https://padlet.com/jmohn/j0ma50ttavyk/wish/131666449