milk but make sure you are using a new clean beaker with each new ingredient. Now you will have to make the diluted lemon juice‚ to do this you want to add 10mL of lemon juice and 40mL of distilled water in a 100mL glass beaker. Using the pH meter test the pH of each of the liquids in the glass beakers. To use the pH meter efficiently you should turn it on and put it in the liquid while stirring it until there is a steady number. This is the number you will see on the screen showing the pH of the
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look like. In the 2nd experiment‚ as the concentration go higher‚ the mass of the potatoes got lower. The graph looks more like a graph with a sigmoid curve in but still‚ it is not exactly right‚ even though I did everything to make it a fair test and get the most accurate results. My prediction is half correct. In some cases it is correct because the concentration is higher and the mass of the potato is lower‚ but in other cases the mass of the potato gets higher‚ which I did not
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Charpy Impact Test Report Table of Contents Statement of Intent…………………………………………………………………………………..3 Background……………………………………………………………………………………………….3 Equipment…………………………………………………………………………………………………5 Procedure………………………………………………………………………………………………….6 Data and Analysis………………………………………………………………………………………7 Conclusions……………………………………………………………………………………………….11 Works Cited………………………………………………………………………………………………12 Statement of Intent The purpose of the experiment was to run a Charpy Impact Test and compare
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Basic Methods of Research A. Two fundamental Questions: (Guide what we do in developmental psychology): 1. How do people change as they develop? 2. What are the determinants of these changes? B. Goals of developmental psychology: 1. Understand universal changes 2. Explain individual differences 3. Search for contextual influences C. Research in Developmental Psychology: 1. Waterbeds for infants: • Premature infants: standard beds vs. water beds • Infants in waterbeds had far
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than one can lead to unfair results. A Dependent Variable is the variable that is getting recorded‚ made by the changes of the independent variable. A Controlled Variable is the variables that you must keep constant during the test‚ to ensure the fairness of the test. EXAMPLE An example is an experiment looking at the growth of trees in the Dark‚ in a dimly lit room and in the direct sun. The independent variable is the location of the trees. The dependent variable is the growth rate of the
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productivity of labour. The brightness of the light was increased and decreased to find out the effect on the productivity of the test group. Surprisingly‚ the productivity increased even when the level of illumination was decreased. It was concluded that factors other than light were also important. Part II - Relay Assembly Test Room Study (1927-1929) Under these test two small groups of six female telephone relay assemblers were selected. Each group was kept in separate rooms. From time to time
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Applying the Scientific Method Attention deficit disorder (ADD) is a syndrome in which a person has difficulty focusing sustained attention on a task for a significant amount of time. In some cases this is accompanied by hyperactivity as well. It is currently being diagnosed at an all time high. Between 1989 and 1996‚ youth visits for ADD increased 90%‚ from 1.9% of total physician visits to 3.6%. Now a psychiatrist‚ Dr. Edward Hallowell is making a new distinction. He has described a similar set
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Free tests online By Reshad Ul Hoque Shuvo‚ Shafayet Jamil and 3 others in Preparation For The Revised GRE Test (Files) · Edit Doc Princeton 4 online Full Length Tests Step1 : Register for http://www.princetonreview.com/ Step2 : Go to home page and there you will get " Register Books " where you need to give ISBN NO. i.e. 978-0307944726 Step3 : It will show Your cart has 2 items and then click on check out . Step4 : Once your book is registered‚ a link to your online tools will appear
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our objective was to examine the deflection of a cantilever that had an increasing point load. In the second experiment‚ our objective was to examine the deflection of simple supported beam that had an increasing point load. Experimental Setup: During the experiment we will be using a Test Frame machine to calculate the deflection of a cantilever. We used three different materials to see the varying deflections. We set the beams at different lengths to see the relation between the deflection and the length. Procedure for Experiment 1:
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