During class on Friday, we started off going over homework for the pages in the Unit Packet, 19-21. We discussed the definitions of a Control Group, Dependent/Independent Variable, and Quantitative/Qualitative data. To fully understand these definitions, we did practice labs in class, which were all very fun.
In class, we tried an experiment where we would observe what would happen if you poured Lentil Beans in to Seltzer. Can you guess what would happen? The beans would float on top of the surface of the seltzer, but only because of the carbonated bubbles attaching to the beans and pulling them up. After a few minutes, the beans would float down. We practiced writing hypotheses for these experiments, like “If you poured Lentil Beans into a cup of Seltzer, then the beans will not float.” The experiment was very intuitive, as nobody except for Mr. Paek actually knew whether the beans would float entirely or not.
Another experiment we tried was a more data-based experiment. We searched for the best time you should put Easy-Mac into a microwave for. This exercise was to enhance our identification of Qualitative or Quantitative data. Our hypothesis for this experiment was, “If you put Easy-Mac into a microwave for 2:25, then you will get a perfect cup of Easy-Mac.”
All of the experiments we did in class can be found in the Unit Packet on pgs. 5, 6, 7, 8, 13, and 15. All of the information on our vocabulary for the lesson can be found on pg. 9, which I would strongly recommend reading. The homework due on Monday, the 30th, is to finish the pre-lab on pgs. 23, 24, 25, and half of 26. Also, be sure to bring in some leaves in a Zip-Loc bag also for the experiment on Monday.
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