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This article is about a special camera that can take pictures of objects traveling 4000 meters per second. Most of the object it would be taking pictures of would be rockets or bullets. The pictures also don’t have blurs or scratches. The resolution can be turned to 11 million pixels. You can also see on rockets how good the fin deployment and spin rate is.

It would be useful in class because you could see on the dart how fast it spin at different angles and then we could graph that too as well as how far it goes at different angles. You could also calculate the speed difference of the projectile at different angles. "Specialised Imaging To Unveil Innovations In High-Speed Imaging." __8/21/2007__ (8/21/2007) 8/21/2007 <[|http://www.photonicsonline.com/content/news/article.asp?DocID=%7B3FAC44E0-6039-44E2-A48A->.]

comment 1: You did a very good job writing in two paragraphs and doing correct grammar and spelling. I do think that you could explain a little bit more about how this relates to the past week more. Also you can use the MLA citation page to help you make you citation, don't just use a link. Overall great job!! =) Alex M. comment 2:

9/24/2007
Reflect upon the mystery density cube experiment. Create a long paragraph addressing these questions:

1.) Was the scientific method necessary in this experiment? If not, why? If so, why? 2.) What made this experiment difficult? or was it easy? 3.) Is density very important in finding the identity of an unknown substance? . //Entry:// Yes the scientific method is important because if you did it in the erroneous order like hypothesis last it would totally mess up the experiment because you would already have the answers. Also if you did the graphs before the hypothesis it would show the results and then you guess which makes it an incorrect experiment. What made this experiment problematical was that there were more possibilities than cubes so you can’t check them of as you go and you can only do so much when you are using the method of elimination. Yes the density was very important to find the individuality of the cubes because mass can transfigure if it is a different size but density can't no matter what size it is making it much easier because you don’t have to find a cube the exact identical dimension as your cube. //Comment 1:// Comment 2:

11/08/2007
What was your favorite project, experiment or topic this trimester and why? (projectile motion, density cube experiment, podcasts, chemical reactions, flame tests, etc.) You can also comment about the snakes. What do you think that you excelled at this trimester? How could you have improved your performance in Science 7? (Make sure to check your spelling and grammar).

//Entry:// My favorite project this trimester was the chemical reaction because we had almost no idea what was going to happen to the chemicals. My favorite reaction was the sodium even though I’ve seen it before its still entertaining to see it. I think I excelled at reactions project. I think I could of improved by studying the elements a lot more.

//Comment 1: Grammer and spelling is good. Good entry, it was good overall.-Eric M//

Comment 2:

1/8/2008
Please read the paragraph below about energy use to create electricity from 1972-1985 in the US. Observe that the graph is referred to, there is an introductory statement, supporting statements are backed up with data, and that there is a concluding sentence. This would have been a well written paragraph for question 3 in our previous blog entry.

"As seen in Graph 1, there were four sources of electricity production in the US from 1972-1985. These sources were coal, petroleum/natural gas, nuclear electric power, and hydroelectric power. From 1972-1985, the US needed greater and greater production of electricity from these combined resources. This best example of this is that during these years, coal increased from 0.5 trillion kilowatt-hours to roughly 1.5 trillion kilowatt-hours. During this same time period hydroelectric sources remained approximately the same at 0.3 trillion kilowatt-hours. There was a slight increase in nuclear electric power sources from 0.1 trillion kilowatt-hours to 0.3 trillion kilowatt-hours during this same time period. Finally, petroleum and natural gas showed the greatest amount of fluctuation during this time period staying about the same from 1972-1980 at 0.4 trillion kilowatt-hours but then deceasing to 0.3 trillion kilowatt-hours by 1985. Thus, although greater and greater amounts of resources were needed to produce electricity during this time period, coal accounted for the greatest increase in use." - JT //Using the above paragraph as a model, describe the changes in electricity production sources from 2000-2005. Make sure that you reference the graph (Graph 1). Make sure all statements are backed up with data. Make sure you have an introductory sentence and a concluding sentence that provide an overall summary/statement.//

Entry: from 2000 to 2005, coal maintained a steady increase in use ultimately rising around .3 trillion kilowatt-hours. Nuclearer electric power didn’t raise much, only gaining usage by only by .1 trillion kilowatt-hours. During the time period of 2000 and 2005 potroluem and natural gas took almost the same course as nuclearer only different because of the rapid use that started in 2004, only gaining .1 more than nuclear. Natural gases ended with a .2 gain. Hydroelectric power never did really start off, it still stands as .1-.2 trillion kilowatt-hours as seen on the graph. According to the graph every type of power at least rose.

Comment 1: Overall it was pretty good. Puncuation and spelling could have been a little bit better. You also did not include some of your units. Also when you put .2 it is more easy to understand you but 0.2. You also did not refer back to the graph. Overall your information was fantastic also your data was great. Also you wrote in 3rd person. Your entry was also easy to understand and greatly written. Overal great job!-Eric M

Comment 2:


 * Re-Entry: INTRO STATEMENT F**rom 2000 to 2005, coal maintained a steady increase in use ultimately rising around 0.3 trillion kilowatt-hours. Nuclearer SP electric power didn’t raise much, only gaining usage by only by 0.1 trillion kilowatt-hours as seen on the graph REFER TO IT DIRECTLY. During the time period of 2000 and 2005 potroluem SP and natural gas took almost the same course as nuclearer SP only different because of the rapid use that started in 2004, only gaining 0.1 UNITS more than nuclear. Natural gases ended with a 0.2 UNITS gain. Hydroelectric power never did really start off RE-WORD, it still stands as 0.1-0.2 trillion kilowatt-hours as seen on the graph. According to the graph every type of power at least rose. BETTER CONCLUDING SENTENCE. KEEP WORKING ON YOUR SW. - JT

2/05/2008
What is a watt? How do you calculate the amount of electrical power that is used in a circuit? Finally, if a lamp with a 200 watt lightbulb burned for 24 hours straight (you forgot and left it turned on), how many kilowatt hours would it use? Make sure to write in complete sentences and in third person. Explain how you calculated the amount of kilowatt hours that would be used in the question above.

Entry: A watt is a measure of the power in electricity. To calculate the amount of electrical power you use in a circuit you must use OHMs law, which shows the amount of current, resistance, and voltage. If a 200 watt bulb were to burn for 24 hours it would cost 48 cents. It would be measured by kilowatt hours, which is what you pay an electrical bill by. That light bulb would use up 4.8 kilowatt hours. to find this out you can use a base fact that one 100 watt bulb that runs for one hour equels to 0.1 kilowatthour. so if one 100 watt bulb goes on for 24 hours that would just moving one decimal space which equel to 2.4 kilowatthours. but the bulb that is used in this question is 200 watts so just multiplying it by two would give the final answer, 4.8 kilowatthours.

Comment 1: Aaron- You had the correct answers to the question, but your method of solving was incorrect. You stated that you must use Ohm's law, but you did not use that method in the example. Also, be sure to write in 3rd person. Overall, you showed that you knew what you were doing. Great Job! -Richard

Comment 2:

4/22/2008
Go to: [|The Tech Museum: Robotics]. Spend 10 minutes browsing the information and museum. Answer the following blog prompt in complete sentences and in third person. Create a full paragraph. If in the future machines have the ability to reason, be self-aware and have feelings, then what makes a human being a human being, and a robot a robot? Explain. Are there any kind of robots that shouldn't be created? Or that you wouldn't want to see created? Why?

Entry:

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Comment 2:

**2/28/2008**
//__In this blog prompt, please write a paragraph long entry (5-6 sentences with a intro and concluding sentence) that addresses what you enjoyed during this trimester and what you have learned. You can also comment on what you would like to improve upon for next trimester or what was difficult for you. Feel free to comment on our snakes- Peppermint and Diablo if you would like to as well as the technology that you enjoyed this trimester. Please check your spelling and grammar as this blog entry may appear in your end of trimester comment. You may want to write it in Microsoft Word to check the spelling, etc. and then copy it in the blog.__//

Entry: This trimester I we finished up chemistry and started and ended electronics. One thing I enjoyed was being able to pick which circuit we wanted to build and attempt to build it. The one I choose was the missing led pulse detector. What the pulse detector does is create a pulse that could be sped up and slowed down by using the potentiometer. I think I could improve by paying more attention in class. Having the snakes was also fun even though it’s a risk to hold them because they poop on people every time they are out. I think that I did pretty good this trimester even though there is a lot of space for improvement.

Comment 1: Aaron has made the year full of fun and excitement. When he is happy everyone else brightens up to. He is a hard worker, and extremely good at chemistry and electronics. He helped as a team member and was always ready to help. He cared for our snakes and brought in his own snake. He helped make and complete all the circuits we made as a team. We are very thankful to have Aaron is our class. ^^

Comment 2: