Call Of The Wild :: essays research papers

Call of the Wild Jack London's thrilling epic tale of adventure and bravery, through the eyes of a part St. Bernard, part German Shepherd named Buck. Our story opens with the author describing the lifestyle of this pampered dog on the premises of his master's home, Judge Miller, in the Santa Clara valley. John London describes a particular gold rush that transpired in 1897 and it was named the Klondike gold rush. Very early in the story line, Buck is kidnapped by Manuel, one of the gardener's helpers, who's major weakness was gambling. Buck was sold to two men named Francois and Perrault. Buck was shipped to Alaska to serve as a sled dog during the Klondike gold rush. One of my favorite lines in the book is where John London writes; "Buck's first day ashore was like a nightmare." "Every hour was filled with shock and surprise." (Page 12) You can see that he is trying to convey how different his new life is now. Buck was placed among a pack of savage husky, wolf-l ike dogs. (Billie, Joe, Sol-leks, Dave, Spitz and Curly are just to name a few. After Buck had completed his wearisome labor his body had become feeble and weak. (Injuries also added to this dilemma later on.) The other savage animals that Buck is placed with, live by only one rule, the law of club and fang. Buck is placed in several predicaments where he must defend himself against the other savage animals and he is disciplined for it. Buck loved his 'master', John Thorton who saved Buck's life from Hal, Buck's master, prior to this event. Following his departure, Buck finds himself in the wild, trusting and depending on his primal instincts. Learning how to pursue his food is but one of the many milestones in the book that Buck must overcome. (Jack London describes how Buck hunted down a rabbit for food.

Inestigating the Affect of Yeast Concentration on the Breakdown

Investigating a factor that affects the rate of enzyme activity Enzymes speed up reactions. They have an area with a very particular shape called the ‘active site’. When the right molecule comes along (substrate molecule) it will fit perfectly into the active site and there will be a reaction. After the reaction the products then leave the active site. This process is often referred to as the lock and key theory as only one enzyme can carry out one type of reaction. The catalase enzyme speeds up the breakdown of hydrogen peroxide into oxygen and water.The hydrogen peroxide molecule acts as the substrate molecule and enters the active site where it is broke down into oxygen and water. The oxygen and water then leave the active site. Catalase enzyme Hydrogen peroxide (toxic) oxygen + water In the investigation I am doing, these are the factors I could change: * The concentration of the enzyme * Increase the temperature * Increase the PH I have chosen to investigate how the concentration of the enzyme affects the rate of reaction. I expect that the more concentrated the enzyme the faster the reaction time will be.Changing the concentration of the enzyme will affect the rate of the reaction. I predict that as we increase the concentration of the enzyme the faster the rate of reaction will be. I think this because as you add more catalase, the catalase will be able to break down more hydrogen peroxide molecules because there will be more active sites, however there will be a point where increasing the concentration of enzymes will be pointless as there will already be the same amount of active sites as hydrogen peroxide molecules.I predict that the rate of reaction with 20 catalase will be double that of 10 catalase because if you have double the catalase then they will digest the hydrogen peroxide twice as quick. Equipment * Small measuring cylinder 100ml * Pipette * 3 large beakers 200ml * Mini cylinder 10ml * Delivery tube and bung * Goggles * Bowl * Test tube * Test tube rack * Little beaker 50ml Preliminary method 1. Put on goggles 2. Fill 2 200ml beakers with 150 ml’s of water in each, one 200ml beaker with anything from 50-200ml of yeast and one 50ml beaker with 50ml of hydrogen peroxide. . Fill one large bowl full of water 4. Then, Place test tube rack on desk and place on test tube in it. 5. Next, fill a 100ml measuring cylinder with 100ml of water. 6. Put out a 10ml measuring cylinder and fill it with the appropriate amount of yeast and water according to your range using a pipette. 7. Place your hand over the top of the 100ml measuring cylinder, turn it over and place it in the bowl, trying not to lose too much water. 8. Place the delivery tube under the measuring cylinder. 9.Then add 2ml of hydrogen peroxide to the test tube using a pipette. 10. Measure the water in the measuring cylinder and record it and then quickly add the yeast and water to the test tube, place the bung in and start the stop watch. 11. At 1 minute record the water level again. 12. Wash the pipette using one of the beakers of water and then repeat the experiment with a different yeast and water ratio (remember to repeat them 3 times to make the results reliable). Oxygen produced Oxygen producedPreliminary results table Volume of yeast(cm3)| Volume of water(cm3)| Volume of hydrogen peroxide(cm3)| Time (s)| Test 1| Test 2| average| 8| 0| 2| 60| 12cm3| 9cm3| 10. 5cm3| 4| 4| 2| 60| 6cm3| 5cm3| 5. 5cm3| 1| 7| 2| 60| 1cm3| 0cm3| 0. 5cm3| From this practical I have decided on my range. My highest will be 8cm3 of yeast and no water and my lowest will be 1cm3 of yeast and 7cm3 of water. I have decided on these results because they have provided a sufficient difference between them and have a clear difference.

Multicultural Education Essay - 1031 Words

Multicultural education refers to applying various aspects of different learning styles and techniques to reach children of different racial, cultural and linguistic backgrounds. Because the extent of these variations is so diverse, educationists have begun to integrate material within the classroom to ensure each child is efficiently and equally benefitting scholastically. There are some Americans however, who disagree with multicultural education; these people think that multicultural education designs would strike down what it means to be an â€Å"American† country. Fortunately, for the sake of innocent children, this discriminative ideology is kept away from classrooms. In order to propel multicultural education in the classroom; I on†¦show more content†¦They could include anything they wanted about the person; anything they thought was important, relevant, and interesting. This would allow for all the students to express his or hers ethnic or cultural background s to be explained so that; if some students were puzzled or were biased about a different culture, they could see the real scope. The costume party would allow fun into the instruction and expose the students to people they have never heard of (the historical figures), but who have had great impact in the world (whether small or big). Students would not have to participate in dressing up if they did not want too. More than likely I would need to take a class vote to see if they even wanted too. I would also have to take into consideration of any poverty stricken students within the classroom and decide whether or not this activity would isolate them. Overall my curriculum would not be changed; for its substance would consist of informing students about people of different cultures and races who did great things. If I were to instruct twelfth grade History, I would use the Transformation Approach. In this subject I would teach about the immigration; only it would be taught through th e eyes of the emigrants. I would emphasize to students that before the Great Depression; the U.S. was perfectly fine with Mexican-Americans coming to U.S., and taking the long hour and low wage paying jobs. Once theShow MoreRelatedEssay on Multicultural Education1681 Words   |  7 PagesMulticultural Education History/Past Challenges: One of the major goals of the American school system is to provide all children with equal educational opportunity. However, with regard to minority students, meeting this particular objective has presented a real challenge to educators as they have been confronted with the task of reshaping education in the multilingual, multicultural society that characterizes the United States. 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