Last week in science class...

In science, i learned more about light than i ever thought possible. To start the week off, Mr. Finley had us write down everything we knew about light (in my case, the paper was almost completely empty.) Mr. Finley went around checking people's paper and found two completely different statements. I decided to go with Student B: "If there is no light, we wouldn't be able to see anything." So in quest of an answer, we conducted a test. We went into a completely dark shelf area and saw if we could read a sign that Mr. Finley put up. Our conclusion, is that Student B was correct. And so was I. Oh joy! :D hahaha ANYWAY. The next couple of days, we studied laser pointers. We wanted to see why and how we could see the beam that the laser pointer took as it made its way to the wall. My friend Jammstein and I concluded that when the laser is shined off of objects or particles( like the chalk we used ) the light reflects off into our eyes so we can see the beam that the dot travels by. When there are so many particles in the air, the light is shining off many small objects. It allows us to see the entire stream of light. If the air is clear, we will not see anything except for the wall or object the laser hits. We also began studying light bulbs. It was quickly realized that lightbulbs and laser pointers are very different. In one case, the lightbulb creates an orb of light, brightening up anything that it reaches. The laser pointer channels that light, which is why we only see the one beam. On a lightbulb, instead of just single beams being emitted, the infinite amount of beams are all clumped together, which makes it one giant circle of light. We found this out by putting a piece of cardboard over the light, and found out that instead of a single beam, there was still an orb, just smaller. We drew pictures to back up our evidence and conclusions. All of this is important to know for many reasons. It makes us smarter people, it gives us conversaion pieces incase the topic comes up somehow(who knows hahaha) and finally, it taught us how to come up with a hypothesis, come up with experiments to test the hypothesis, and write a conclusion based on our tests. This was a very eventful week in Mr. Finley's class.