Introduction In my report I will discuss what I did as an experiment and what I hope for it to achieve. Firstly I carried out an experiment to assay the effectiveness that a range of disinfectants have on the growth of ecoli and whether or not it can prevent it from growing. From the experiment i should be able to see that some disinfectants have a greater effect than others do. From this I shall then draw a conclusion and evaluation on what was the most effective‚ and could there have been any
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Theme Analysis of Salt to the Sea In Ruta Sepetys historical fiction novel Salt to the Sea the four protagonists‚ Joana‚ Florian‚ Emilia‚ and Alfred‚ make the perilous journey to the Wilhelm Gustloff where they hope to travel to a different part of Germany to escape The Soviet Union. Once they get on the ship‚ they think they are safe from death‚ but the ship sinks and takes many under with it. Each of the protagonists sacrifices greatly throughout the novel. One lesson this novel teaches is that
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The floating egg experiment – How much salt is needed to make an egg float? Aim: To investigate the effects of salt on the density of water (and therefore the ability to float an object in said water) and to find the amount of salt needed to float one regular egg in a glass of water. Research: Internet research shows that adding salt to water increases the density‚ and in turn makes it easier for objects to float. 4-10 teaspoons of salt in 1 glass of water is said to be enough to make one egg
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Medical Experiments of the Holocaust As a society we place those in the medical profession on a pedestal. They are people to be looked up to and admired. In many ways they are Gods‚ right here with us on earth. People put the hope and faith in doctors hoping they can perform miracles. Throughout history‚ doctors have indeed preformed many wonders. There were‚ however‚ some doctors that betrayed this belief and peoples trust. These doctors could be found in concentration camps such as Auschwitz
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Practical 1: Observation of mitosis in garlic root tips Introduction The practical will involve the preparation‚ observation‚ and classification‚ of the various stages of mitosis by observing garlic root tips using a microscope. The study comes under the heading of cytogenetics which is the visual characterisation of genetic material and the study of how that material reacts during the life of the cell. Strictly speaking‚ mitosis is the division of the nucleus into two daughter nuclei that are
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Biotechnology‚ Mapua Institute of Technology ABSTRACT In this experiment‚ solubility class of various organic compounds are to be determined. The main objective of the experiment is to identify an unknown compound through the use of preliminary tests such as examination of physical state‚ color‚ odor‚ and ignition properties. Also‚ solubility tests were used to further examine an unknown compound’s solubility class. In this experiment‚ the apparatus used are micro test tubes and droppers for mixing
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Water: the source of life Water is an indefinable element. It can be destructible and wipe out the strongest forces in the world while it was also the beginning of life. It gives a lot but it can take back more than that. Water is one of the four elements of nature. It’s represented in the liquid form while earth is sold‚ air is gas and fire is the in-between of all. Water is important to every living thing. For plants it’s absorbed from the soil‚ for humans it’s for drinking and use for various
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In recent times‚ it has become increasing clear that economic development and population growth are resulting in expeditious changes in natural ecosystems‚ globally‚ and particularly on the self-sufficient ecosystems of Hastings Point. In acknowledgment of this‚ the United Nations’ Kofi Annan presented a report: “We the Peoples: The Role of the United Nations in the 21st Century.” (2000) Annan called for Millennium Ecosystem Assessment in order to establish the consequences of change in ecosystems
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Experiment Plan By: Ashley Project Question: What size of bouncy ball bounces the highest‚ small‚ medium‚ or large? * I predict the following will happen (my hypothesis): I predict that the smallest ball will bounce the highest since it is the lightest. | * Independent Variable: I will be changing the ball size. * Dependent Variable: The height of the bounce. * Controlled Variable: The height that I will drop the balls at. | The materials and amounts of each that is
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priming is defined as an implicit memory effect in which exposure to stimulus influences the near term future thoughts and action‚ even though they may not seem to be connected (Kennard). It also increases the speed at which the second related item is recognized. Priming has a limited effect as the thoughts dwindles back to the deeper subconscious. Typically‚
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