Mental Rotation Lab Report: PSY 405 – Spring 2012 Deng Jichun Introduction The purpose of this experiment was to confirm the theory that we create picturelike representation of perceived visual stimuli‚ and we can also mentally rotate the representation to a known “upright” position. The reaction time increases linearly according to the angle of the rotation‚ regardless of their complexity (Cooper‚ 1975). In some circumstances‚ we snap the perceived visual stimuli and create
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ABSTRACT By calculating the difference in the mass of the hydrate copper (II) sulfate and the anhydride we were able to determine the mass of water in the hydrate. This information was then used to determine the empirical formula of the hydrate‚ defined as a compound formed by the addition of water to another molecule. In the first trial‚ the mass of water in the hydrate was determined to be 0.41 g‚ while in the second trial the mass of water was 0.52 g. Moles of water associated with a single
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Problem Question: * What effect does temperature have on the rate of Diffusion? Hypothesis: If we put the antacid in hot water‚ then it will dissolve faster than in cold water or room temperature water. Material List: * One thermometer * 3 beakers (of the same size) * 3 antacid tablets * Cup of ice * Hot plate * Paper towels * Water Procedures: Step 1: Gather materials Step 2: Label the beaker #1‚ #2‚ and #3 Step 3: Fill each beaker with the same amount of
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How does temperature affect the rate of reaction for Lipase? As the temperature increases‚ so will the rate of enzyme reaction. However‚ as the temperature exceeds the optimum the rate of reaction will decrease. I predict that at temperatures above 70°C the enzyme lipase will become denatured and at temperatures below 10°C the enzyme will become inactive. Since lipase operates within the human body I’d also predict that its optimum temperature would be around human body temperature which is approximately
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6th hour 4/1/13 Tennis ball and racket ball comparison Problem: Find the speed of the tennis ball and the racket ball to determine which one travels faster. Hypothesis: I believe that the racket ball will have a faster average speed than the tennis ball for both distances because the racket ball is bouncy. Materials: *Tennis ball *30yards of space *Racket ball *Set of stairs *Stop watch *measuring tape Procedures: 1) Measure out 30 yards of space‚ have of member stand
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Psych rotations has been a hug revelation for me. I was terrified to start psych rotations‚ but it is not bad at all. My first week scared me the most. I was walking to the entrance and I glance over into a patient’s window and I see a patient with long black hair staring at me out of their window. That was the first impression that it got and scared me. But as I got into the unit and took a tour‚ my nerves started to ease. The first couple of weeks I played it safe and chose the patients with mood
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The holidays had just passed and the weather was getting colder. I was sitting at the dining table anxiously waiting for that email. I sat there contemplating about my boards score. I couldn’t believe what I saw before my eyes. I had fail my Comlex. “How is this possible?” I thought. “Is my dream of becoming a physician vanishing before my eyes?” There were a million things running through my head. It was easy to make excuses for it but at the end of the day it was I who took that exam. I reflected
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seemingly intricate things in nature can be understood in terms of relatively straightforward mathematical relationships. These mathematical relationships are a recurring concept in the fields of Kinematics and Dynamics which focuses on ways in which objects/matter move whilst evaluating behaviours like displacement‚ acceleration and velocity (Wise Geek‚ 03-13). Kinematics derives its name from the Greek word for “motion” (kinema) (Sparknotes‚ 2011). This field is centred under a sub branch of mechanics
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The speed of light (meaning speed of light in vacuum)‚ usually denoted by c‚ is a physical constant important in many areas of physics. Its value is 299‚792‚458 metres per second‚ a figure that is exact since the length of the metre is defined from this constant and the international standard for time.[2] This speed is approximately 186‚282 miles per second. It is the maximum speed at which all energy‚ matter‚ and information in the universe can travel. It is the speed of all massless particles and
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An experiment to investigate the effect of temperature on the rate of reaction of the Enzyme Trypsin. Aim: This investigation was on the effect temperature has on the rate that the enzyme trypsin hydrolyses its substrate‚ a protein found in milk (casein). This investigation was conducted under controlled conditions‚ the temperature being the changeable variable. Trypsin and its substrate (powdered milk which is a source of the protein casein) were heated in a water bath. The contents of the two
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