Guns‚ Germs‚ and Steel Yali’s Question * Yali’s Question: Why is it that white people developed more cargo than us black people? * New Guinea-Stone Age until 200 years ago. * 11‚000 B.C.-all humans are hunter gatherers. * New Guineans proven more intellectually superior than advanced races. * Climates effect-cold enhances creativity?-no-Mayans‚ pottery‚ art‚ science‚ flourished in tropics. * River Valleys foster centralized rule?-no‚ centralized rule has come before agricultural
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vain attempt to save Atahualpa‚ his subjects assembled one of the largest ransoms in history‚ an estimated $30 million worth of gold and silver. 7. Pizzarro completely surprised and overwhelmed Atahualpa’s empire; Pizzarro had guns germs and steel where the Incas didn’t. Pizzarro also had horses that terrified the Incas having never seen it. Pizzarro also had a written language and the Incas did not. 8. Availability of more consumable calories means more people equals strength of numbers
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Chapter 1 Even though Africa had a massive time advantage America had a much greater environmental diversity‚ so the Native American’s would have a advantage over thee Africans. Because of all the islands around Australia and New Guinea the colonist would travel to a new island and would adapt and populate the island. Because of this it brought an unprecedented golden age of successful human population explosions. Because of the population explosions‚ Australia would have had a massive head start
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Determination of Manganese in Steel Submitted by: ------------------- Date of Submission: 27.03.11 Objectives: In steel production aside the iron‚ which is the primary source‚ some amounts of manganese is used together with carbon. The objective of this experiment is determining the manganese amount in the steel compound by using UNICAM UV-VIS Spectrometer. Theory: Many molecules absorb ultraviolet or visible light. The absorbance of a solution increases
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“polymer creatures‚” which are the things that are used in experiments about polymers. The polymer creatures‚ made out of two different polymers‚ are both hydrophobic and hydrophilic. This means that while the hydrophilic polymer absorbs water‚ the hydrophobic polymer keeps the shape that the creature was originally in while the water is inside the creature. Another name for this process is osmosis
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4140 Steel The first metal sample that will be discussed is 4140 steel. This sample was subject to multiple heat treatment processes that included quenching‚ normalizing‚ full annealing‚ and tempering. The micrographs of the heat treated samples can be seen below in Figure 2. Figure 2: 4140 Steel Micrographs 100X a) Baseline‚ prepared by Bryan Biggs b) Quenched‚ prepared by Cameron Palkowski c) Normalized‚ prepared by Michael Rodriguez d) Full Annealed‚ prepared by Avery Callahan e) Tempered
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develop weaknesses that result in malfunctions or breakages. Corroded metal can also not conduct electricity‚ which again can interfere with the functions of that metal. Aim: the aim of this experiment is to evaluate the effect that sodium chloride has on the rate of corrosion of iron. 1. Experiment 1 2. Hypothesis: An increase in the level of sodium chloride in water will increase the rate of corrosion of an iron nail. 3. The independent variable is the amount of sodium chloride
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Biology 10 Vinegar Eel Lab Adam Dorner 1) The most toxic metals were silver‚ lead and iron‚ all killing the eels in under four minutes‚ with silver taking only 1 minute and 40 seconds to kill the eels‚ and only 13 seconds to make the eels stop forward motion. Strontium wasn’t effective as after 5 minutes of exposure to it‚ the eels hadn’t died or stopped forward motion. 2) a) The accepted toxicity varies from metal to metal. The accepted toxic level of lead is 0.0012 parts per million‚ however
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The Bouncy Egg Experiment! Mrs. Murosky December 19‚ 2013 Introduction: GOAL: The goal of this experiment is to get an egg to bounce. WHY IS THIS IMPORTANT? : The results of the egg experiment is important because it shows what the membrane of an egg looks like‚ but allows the experimenter to have fun in the process. LITERATURE: The acids in the vinegar make the shell deteriorate. Eggs contain "calcium carbonate"(this is what makes it hard)‚ and vinegar is an acid. When they both combine
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A. Stanford Prison Experiment- In this experiment‚ students volunteered to be a part of a psychology experiment that was being conducted at Stanford College. Because of the situation around them‚ they conformed to the environment‚ even though it was only a simple experiment in a Stanford hallway. Embarrassed and yet impressed‚ the experimenters stated this‚ “The negative‚ anti-social reactions observed were not the product of an environment created by combining a collection of deviant personalities
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