ABSTRACT What is the fastest way to cool a soda? In this experiment‚ 8 cans of soda were used to determine the fastest method the cool the can of soda. The four alternative methods were the freezer‚ the refrigerator‚ ice cubes‚ and also an ice bath. Using 2 cans for each method‚ and measuring the temperature at increments of 5 minutes‚ the experiment was complete when the temperature stabilized. In conclusion‚ the fastest way to cool a soda was the soda in the freezer at -2 degrees Celsius. The
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Note You may need an adult’s help with purchasing the items listed under “Required Materials.” Observation Observe the tarnished pennies each day‚ recording data in your journal or logbook each time you observe them. You may need to take the pennies out of the cups for a few minutes to fully view them. Make sure you write notes and answer several questions about your experiment. Is one type of soda visibly reducing the amount of tarnish present on the penny? Do the lighter sodas take the
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areas because it will effect innocent bystanders‚ also‚ as Jim Wilkinson‚ the Vice President of the site Your Greatest Protection declares‚ “[pepper spray] works longer than Tasers or stun guns‚ it will cause coughing and choking‚ and it burns really bad . . . [s]tun guns work by disabling the nervous and the muscular system but
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In Everything Bad Is Good For You‚ Steven Johnson uses many scientific methods and presents point of view stating that popular culture does not only have negative impacts on us. In the introduction of the television section‚ he briefly tells us the truth that the complexity of modern TV shows is rising and it also makes people more intelligent. To support his ideas‚ Johnson divides the content into three parts: Multiple threading‚ Flashing Arrows‚ and Social Networks. Multiple threading is very
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essay Is Sex All That Matters?. 75 percent of Americans have lost their virginity. In many high schools-and an increasing number of junior highs- virginity is regarded as an embarrassing vestige of childhood‚ to be disposed of as quick as possible. Why do they think so? Because they watch lots of movies like titanic‚ and they think sex is romantic. Secondly‚ not only those love story‚ some child movies are affecting teenagers in the concept of sex. Ratatouille is the story of a French rat named
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Have you noticed that most of the dangers you steer your teenagers away from during the day are out at night? Most parents give their teens a reasonable curfew to abide by while some let their teens ride around until one in the morning. Curfews set for teens by the cities and towns help to keep them safe and out of any danger they could run into during the late hours. Setting curfews can help keep teenagers off the roads late at night‚ especially when it comes to new drivers. Someone could be leaving
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Experiment ANALYSIS OF SODA ASH The CCLI Initiative Computers in Chemistry Laboratory Instruction LEARNING OBJECTIVES The objectives of this experiment are to . . . • understand the titration curve for a diprotic base. • use the titration curve to calculate the percent of Na2 CO3 in an unknown sample of soda ash. BACKGROUND Sodium carbonate is an important industrial chemical. It is used in the manufacture of soap‚ glass‚ paper and as a source of alkalinity‚ that is‚ as a
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good for absolutely nothing at all. What is the value of a life? Why do some feel that war is acceptable? Is war part of our biological make up? Could we seek out an alternative to war? These are some of the questions that are asked when it comes to the controversy surrounding war. There are differing opinions and views as well‚ from the pro-war‚ too the activists against war‚ the political‚ and the philosophy of war. No matter how you look at it though‚ I believe that we can find a better way. I think
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the next most popular‚ was behind professional football by 11% of the votes. So it is practically inevitable if you are a parent that your son would ask if he could play football. What should you do? Football is a violent game‚ with a decreasing popularity. More and more people are learning about the astounding dangers of the game. You should answer your child with a firm no if he asks you this question. Football has the highest injury rate of any sport‚ teaches
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fishermen have to travel longer distances deeper into the sea to catch fish.” Because of our rapidly expanding population we are in dire need of food sources more and more each day‚ the results in the overfishing of the world’s sea life to support our. Why we need to stop overfishing is simple‚ the species of fish will be too little and the only thing that
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