Tuesday, February 28, 2012

2/28 Gaitan


Today, since our class was farther behind than most classes, we finished the Section 1 lab, and a few groups may have started the Section 2 lab.  If any groups had completed the Section 1 homework, they were to return it in today, and if not, they will turn it in tomorrow, on a separate sheet of paper.  During the lab, our table was trying to figure out how to connect the wires to the switch and the light but was having trouble.  It was eventually pointed out to our table that we were supposed to use the clips, which is easier, and that we were the only group who needed that pointed out to them.  In the rest of the Section 1 lab, we found out more ways to make circuits, which parts of the light bulbs are conductors or insulators, and how to draw the circuit diagrams.  We did all of these exercises first to learn more about which materials conduct or insulate better, and to build upon topics that we had discussed, while performing them ourselves.  The difference between circuit diagrams, and what the model actually looks like also should have been learned today.  When a battery and a light are connected, electrons flow from the negative side of the battery through the conductor, turning the light on, and through the other end of the battery continuously unless something else interferes.  This makes a complete circuit, because the charge is passed along in a continuous circular motion.  
      -Stay classy

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