Sunday, September 25, 2011
what i THINK vectors are!
Today i wasnt in class to learn about vectors today but i did some research and this is what i think vectors are. A vector is how far and the direction that something moves. A vector differs from distance in one way and that is that a vector shows us the direction that something is moving. My picture is of the car coming at me at 30 something mph up hill! This is what i think a vector is.
Monday, September 19, 2011
Baby Toss!
This week in science we did the ball toss lab. We looked at graphs to see the acceleration and velocity of the ball as we threw it up and as gravity pulled it back to earth. I was reminded of this while i was looking through pictures this weekend. When i go to the beach with my little cousins, i usually throw them up in the air. Just like with the ball, gravity pulled them back to earth slamming them back in to the water.
Monday, September 12, 2011
TRAFFIC CAN BE EDUCATIONAL
This weekend, there was traffic while i was trying to drive home to Ewa Beach. While i was driving, i remembered that we used the motion detector in class. I was in the car with my mom trying to explain to her how it worked. Her only answer to me was "pshh! im glad we didnt have that when i was in school." Anyway, i was wondering what the motion detector would read if it was connected to the car in front of me. While i was driving, i was trying to picture what it would look like and how fun it would be to try replicate the graphs we did in class with a car. Cuz as the car would get closer the graph would go upward and as the car took off, the graph would go down. Again we see physics is part of every day life. . . as long as you know what it is!
Thursday, September 8, 2011
My Own Olympics
This weekend I had a big football game vs St. Louis. After the game, though I was very tired, I remembered the Olympics we did. What I remembered was that the faster the runners went, the less time it took to cover more distance. When watching film on Saturday after the game, I saw that at the beginning of the game, it took me very little time to cover a lot of distance. In the final quarter of the game, I noticed that it took me much longer to cover the same amount of distance. This was because of fatigue! To conclude, what we saw in the football game and in the olympics, is as the participants tested, the times became slower because of being tired.
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