Ballistic pendulum designed experiment Aim: to investigate how the mass of the projectile affects distance on the motion of a wooden block it strikes Hypothesis: the heavier the projectile the further the distance will be covered by the wooden block Variables: variables Identification Manipulation Independent Mass of projectile The four different masses will be used in different combinations Dependent distance Measured using tape measure Controlled 1. Height of retort stand 2. Release angle
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Surface Tension Steven Brignol Dr. Payne September 15 Introduction: Water’s ability to stick to itself is surface tension. In this lab we were able to measure and detect surface tension by dropping water‚ drop by drop‚ onto a penny. The quantity of droplets that fit on the penny was impressive. Hypothesis: The detergent will thicken the water making a tighter surface tension. Prediction: If soap increased the surface tension‚ then expansion will happen. Materials: (1) Pipette (2) Water
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I don’t think this experiment should be replicated today. The reason being is that the Generation we have today has a different mindset and that the experiment is unethical in my view. In 1961‚ Milgram was able to make the participants agree with the experiment. These results led to people trying out these trails because the participants knew the shock would be painful but not dangerous. With that being said‚ it shows you the mindset of the people during that time. People were laid back and were
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serum albumin and bovine serum albumin have epitopes in common? Explain. 13. What is the process resulting in antigen and antibody moving toward each other? Enzyme-Linked Immunosorbent Assay 14. In the “sandwich” analogy of the direct ELISA‚ what is the
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IMMUNOSORBANT ASSAY (ELISA) ■ PRINCIPLE ■ Antigen and antibody reaction are highly specific. ■ Antibody’s FC portion can be attached with enzyme. ■ Specific antigen & antibody reactions with enzyme can be detected by the addition of the substrate specific to the enzyme. ■ Magnitude of antigen and antibody present in the reaction seen with the intensity of colors cab be read by ELISA reader. [pic] Types of ELISA ■ Direct ELISA ■ Indirect ELISA ■ Sandwich
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the experiment‚ the observational study and the survey. An experiment is a scientific method in which data are collected to be tested to prove a hypothesis using either independent variables in a closed environment or dependent variables in an opened environment. There are two types of experiment‚ the laboratory experiment that is as its name suggests conducted in laboratory and the field experiment conducted in a natural environment. The advocates of positivism support the use of experiment due
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used to measure the concentration of protein in a solution [1]. There are several reagents that can be used to determine the concentration of protein in solution which are Bradford reagent‚ Biuret reagent‚ Lowry protein assay and many more. In this experiment‚ the Bradford Reagent is used to measure the protein concentration. Marion M. Bradford had developed the Bradford protein assay. The Bradford assay is a colorimetric assay based on the interaction between Coomassie brilliant blue and the arginine
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There were 3 main experiments that were conducted in the 19th century. The first experiment was conducted in 1928 by Frederick Griffiths. He was able to establish that there is a substance being transmitted from one generation to another. For this experiment Griffiths used two types of pneumococcus bacteria (the bacteria that is responsible for causing pneumonia). He used the smooth strain (S) which had an outer capsule that acts as a protective shield from the host’s immune system and rough strain
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ME 304 – Experimental Engineering Spring 2013 Lab Report Experiment # 3 Bending of Beams Section # ThTh12 Group # 1 Ömer Ege Çalışkan Serhat Karakuz Noyan Uğur Renda Turgut Soydan 20.03.2013 Abstract In this experiment‚ a simply supported beam is used and the variations of deflection of a simply supported beam with load‚ beam thickness and material are investigated. It is found that the deflection of the beam changes linearly with the load and as the beam
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BSummary of Brain Asymmetry Introduction In the Brain Asymmetry experiment‚ the independent variable is the construction of the chimeric faces: one has the younger face on the left and the other has the younger face on the right. The dependent variable is the percentage of reports that chimeric face with the younger face on the left looked younger. The group of left-handed subects acted as a control group and helped to rule out the general left-view bias. It is hypothesized that percentage of reports
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