2331 words - 10 pages
It was in 1883 when Osborne Reynolds, a famous scientist and engineer tried to experiment on the relationship between the stability of fluid motion and the transition to turbulence. His final apparatus consisted of a glass-sided tank, 6 feet long, 18 inches deep and 18 inches wide. Inside it was a glass tube with `a trumpet mouth of varnished wood, great care being taken to make the surface of the wood continuous with that of the glass'. On the right-hand side, the tube was connected to an iron pipe equipped with a valve which could be controlled by means of a long lever. On the left-hand side is the device for introducing a streak of dye into the trumpet, while a float and dial indicated
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1336 words - 6 pages
Stanford Prison Experiment 6The Stanford Prison ExperimentYour NameInstructors NameCourse NameDue DateINTRODUCTIONUnderstanding human beings, their thoughts, feelings, and behaviors has always been a fascination of society. While human beings, as animals, are dependent upon a certain number of biological imperatives; the most basic needs, wants, and desires. Psychology looks not solely at the physical but the psyche of human beings. They seek to understand why some people react differently to differing situations and are some behaviors able to be triggered based on a scenario or created environment. Psychology has always simulated environments in order to gauge people's responses or to see
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526 words - 3 pages
Alejandra Torres
06/23/18
Sociology 101
10am - 12:10pm
I coordinated my “Do Nothing Experiment” at the entrance of Target on a
Saturday evening. Fortunately I had picked a good hour, because it was pretty busy.
People came in with their kids, spouse, or friends. Most of them looked rushed as they
hurried to get a cart and speed walk to their destination, but a few of them looked
relaxed as they stopped at starbucks to grab a drink, and browsed the $1, $3, and $5
section. As far as I know no one noticed me, I had 2 people glance over at me for a split
second, but went on with their shopping without a word or a smile. Everyone was to
busy with their needs to try and focus on what i was doing
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2349 words - 10 pages
) sunflower oil concentration,
Quadrant C did not have peas added,
and Quadrant D included 10 black-eyed
peas with a high (20 ml/kg) concentration (Figure 1). Five male and five female beetles were
USC ID: 8870
LAB SECTION: 13148
3
then added to Quadrant C. Their sex was determined by placing each beetle under a dissecting
microscope and examining the sex-specific size and coloration of their posterior abdominal
plates. In the Petri dish, the beetles, initially placed in Quadrant C, were able to move freely from
quadrant to quadrant. The experiment was conducted in a total of 16 plates that were left at room
temperature over the course of a week. After one week, peas were removed from the plates and
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925 words - 4 pages
Gardens snails’ response to environment change Lily Espinosa
Introduction:
The invertebrate that was chosen for the experiment was the Snail Gastropoda. Snails like moist and shady areas, to protect themselves from harmful weathers. Snails also like soil and fresh leaves because they have easy access to food and moist conditions. Snails don’t like pees and tomatoes and its unsafe for them to consume pasta. Salt and water also both kill snails, this is because snails drown in water easily and salt dehydrates the snail leaving it to die. Snails are hermaphrodite and nocturnal.
Hypothesis:
VARIABLES
Control- normal or ideal conditions
Dark, damp and humid conditions.
Independent
(What and how
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450 words - 2 pages
Lab Experience Report Format Prevention I 111-114 AB
Lab # & Title Name: Karnik Patel
( Lab 3 - Chocolate cookie experiment pH=7.0 ) Date: September 21, 2018
Objective: (1)
Why are you doing this? Point form.
· This lab is to practice everything we have learned in all our previous labs and lectures, also on all of the inter dental products available for all types of patients that have specific needs.
· To compare pH levels and BFS sheets from previous labs to see
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435 words - 2 pages
1
ChE 494/598: Homework #1 (Group Assignment), due Tuesday, Jan. 24
1. Please identify a challenge that the science and engineering community is facing and write a
T.I.M.E. problem statement.
2. Please discuss individual and/or group goals within your homework group. Select one of them
and write a S.M.A.R.T. goal.
3. Famous Card Drop Team Exercise (The following exercise is an adaptation of a famous
experiment popularized by W. Edwards Deming.)
There are 3 roles associated with this exercise: a “Machine”, an Operator and a Manager.
Work Rule #1: a. The machine stands with one arm fully extended at shoulder height,
b. As carefully as possible, the operator aligns the hand of the machine
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559 words - 3 pages
water. Prevents contamination and kills all unwanted microorganisms.
2. Clean bench with disinfectant solution, this will kill microorganisms that could contaminate the experiment.
3. Measure 9.2g of agar powder and 500ml distilled water in a conical flask, and hold the flask above a flame whilst constantly stirring the mixture while heating.
4. Boil the mixture for a minute, and then proceed to remove it from heat.
5. Use the sterilized thermometer to monitor the temperature until it falls to 45-50℃
6. Pour about 3mm depth of melted agar into each sterilized petri dish. Don’t let the conical flask touch the petri dish, cover the dish immediately to prevent contamination and tilt the dish
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1726 words - 7 pages
Summary
The purpose of Experiment 4 was to determine the effects of concentration on the amount of light transmitted through aqueous solutions.
The general procedure used in this experiment was to first prepare an undiluted sample of copper sulfate by obtaining two clean cuvettes. One of the cuvettes was used as a blank sample filled with deionized water which served as a solvent, and on the other cuvette, it was rinsed out with 0.5 mL of the copper sulfate solution and filled up with about 80% of the same solution. The second cuvette served as our undiluted solution. Next, 3 diluted solutions of copper sulfate are prepared. The first diluted solution was equal to 50% of the stock copper
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Pathos
Logos
Informative Speech Outline
General Topic
Specific Purpose
Thesis-My purpose is to persuade my audience that it is not morally acceptable to
experiment on non-human animals to develop products & medicines that benefit human
beings.
I.
a. Did you know that 100 million animals are killed in U.S laboratories for biology
lessons, medical training, curiosity-driven experiments and chemical, food and cosmetic
testing?
b.My purpose is to persuade my audience that it is not morally acceptable to
experiment on non-human animals to develop products & medicines that benefit human
beings. Inform you about the dangers & how inhuman
c. Many believe that hurting helpless animals is
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673 words - 3 pages
Title:
Paper on Water Cup Inversion Experiment
Submitted By: Theodore Xavier Pueda
Submitted to: Mr. Roach
Title: Paper on Water Cup Inversion Experiment
Testable Question: Does the volume of water affect the time for paper to drop from cup?
Hypothesis: As the volume of water increases, the time for the paper to fall off the cup stays the same.
Experimental Design: Different volumes of room temperature water will be poured 9 similar cups, starting with 10 mL and increasing by 10 mL each time. A piece of paper will be placed on top of the cup and the cup will be inverted.
Independent Variable: Volume of Water (mL)
Dependent Variable: Volume of cup (mL)
Rim diameter of cup (cm)
Temperature
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1352 words - 6 pages
. Science tells us that objects themselves possess the colours they do not absorb. Because plants do not absorb green, they must themselves be green (Canna.com.au, 2017). The colour lights to be used for this experiment will include green, blue, red, yellow, clear and black.
The aim to this experiment is to observe the growth rate of plant under different colour of light and to determine which colour could improve the productivity and thus used as sustainable sources in plantation. It is hypothesised that that the plant with clear plastic will grow the best because the white light contain all the primary colours in it. The colours of the rainbow, red, orange, yellow, green, blue, indigo and violet
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537 words - 3 pages
EXP 38: Qua. NH4+, Mg2+, Ca2+, Cu2+
➢ Experiment 38
· Skip parts A and B (NO FLAME TESTS)
· Only doing parts C-F
· Start warm/hot water bath in fume hoods incase needed later.
· Groups must grab one known/reference solution and one unknown (write letters down)
· ▪ One lab partner will do experiment with known/reference solution.
· ▪ Other partner will do experiment with unknown to compare with known.
· All blanks must be filled out excluding first two flame tests.
THE FOLLOWING PROCEDURE SHOULD BE DONE FOR BOTH REFERENCE AND THEN UNKNOWN.
TEST TUBES SHOULD BE HELD WITH TEST TUBE CLAMPS TO AVOID ACCIDENTAL SPILLING OF CHEMICALS ON STUDENTS WHILE HOLDING TEST TUBES.
Part C – Fume Hood
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508 words - 3 pages
1.The figure above is the comparison of the R() correlator for different centralities (40% - 50%, 50% - 60%, 60% - 70%). The concave shapes of the results at all the centralities indicate the presence of CME-driven charge separations. The opening of the concave shape for 60% - 70% centrality is narrower than the others (magnitude of a1 is the largest among these); this indicates the CME-driven charge separation signal is the strongest. The decreasing width of the opening with increasing centrality is an expected result since in the Au+Au collision; a higher centrality means that the spectator particles are larger (? More of the spectators will remain intact). As a result, the magnetic field
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1200 words - 5 pages
Free
Running Head: A Class Divided 2
2
A Class Divided
Contents
Summary 3
Hypothesis 3
Independent variable 4
Dependent variables 5
Students behaviour 5
Phonic card exercise 6
Present day Class 7
References 8
Summary
A class divided experiment was conducted by Jane Elliott, internationally known teacher, lecturer, diversity trainer, and recipient of the National Mental Health Association Award for Excellence in Education. In response to the assassination of Martin Luther King, Jr. in 1968, Jane developed a controversial and astonishing experiment. This experiment labels participants as inferior or
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Year 8 SEAL – Assessment Task – Experimental Process
Part 1: Introduction
The experiment that is being conducted is about acid + metal. When an acid and a metal react with each other they normally produce salt and hydrogen gas. The amount of salt is produced according to the acid and metal being tested. The interaction between a metal and its environment is called corrosion. In this experiment the acid that is used is Hydrochloric Acid and the metal which is tested is Magnesium. When these are being tested Magnesium chloride and hydrogen gas is going to be produced. The research question for the experiment being conducted is “Does the amount of magnesium effect the amount of gas produced
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884 words - 4 pages
Milgram Obedience Reaction Report
Before I read the Baumrind and Milgram article, I watched the video of Milgram performing the Obedience experiment and did not conclude that the experiment was ethical. I believe that the test-subjects were being manipulated and in result, they were experiencing torment. From an act-utilitarian perspective, I believed that the benefits outweighed the costs but still, I believed that the ethical standards that allowed Milgram to perform this study were immutably preposterous. I believed that there was short-term suffering that happened to the subjects, such as the sweating, cognitive dissonance, and other negative symptoms that the test-subjects expressed. I
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Introduction
In this experiment, I am required investigate the correlation between the temperature of a biological chemical (hydrogen peroxide) and its effect on enzymic activity of the catalase enzyme. This experiment requires understanding regarding the topic of enzymes and the investigative ability to carry out effective experimental designs. Catalase is responsible for breaking down hydrogen peroxide in cells which is produced as a result of cellular respiration, and prevent cell death, by not allowing the chemical to accumulate within the body. This investigation models the action of enzymes in cells where hydrogen peroxide is the substrate and catalase the enzyme representative of the lock and
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phenomena, or to predict quantitatively the results of new observations.4. Performance of experimental tests of the predictions by several independent experimenters and properly performed experiments.The roles of observation and experiment are meant for scientists to sit back and watch the thing the want to experiment (observe it over a period of time) and then make an experiment to see if their hypothesis was, what they though it would be. No one can just state that their idea is true with out observing and experimenting because there is the possibility that it is not accurate. Scientific law is a statement of fact that tries to explain why everything is the way it is. It must be use universally
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5535 words - 23 pages
Untitled
Mass conservation
AIM
The aim of this experiment is to show that mass is conserved during a chemical reaction.
The Law of Conservation of Mass, established in 1789 by French Chemist Antoine Lavoisier, states that mass is neither created nor destroyed in any ordinary chemical reaction. Or more simply, the mass of products by a chemical reaction is always equal to the mass of the reactants. (E, Durnford
1999)
The reaction between potassium iodide and lead (II) nitrate under room temperature and atmospheric pressure results with a yellow precipitate. This reaction can be expressed by the equation: 2KI(aq) + Pb(NO3)2(aq) PbI2(s) + 2KNO3(aq)
HYPOTHESIS
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