The purpose of my experiment is to determine which temperature will allow Luminol to glow at its greatest capacity. My hypothesis is that the glow will illuminate for the longest time in a cold temperature because it will take longer to dissolve. I also predict that in the warmer temperature‚ the glow will be at it’s brightest. Luminol is a chemical‚ which exhibits chemiluminescence with a blue glow. It is a solid that is soluble in most polar solvents‚ but insoluble in water. Luminol is widely
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Experiment 1 Laboratory Techniques and Measurements Purpose: To determine measurements of different items that vary from solids to liquids and be able convert those values to other SI units of measurement. Procedure: I used a variety of scientific tools such as; a ruler‚ beaker‚ graduated cylinder‚ volumetric flask‚ thermometer‚ burner‚ and digital scale to find unknown values of measurements for each of the indicated
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I. Objective The first objective of the measurement of thermal conductivity & one-dimensional heat conduction experiment was to identify three different metal specimens by comparing their experimentally determined thermal conductivities to known thermal conductivity values of existing metals. The second objective of the experiment was to establish a connection between the thermal conductivities & temperatures of the metal specimens. Thirdly‚ the contact resistance of the interfaces between
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SCIENCE EXPERIMENT REPORT AIM : To show the percentage of oxygen in air. HYPOTHESIS : The percentage of oxygen in air is about 20%. APPARATUS AND MATERIALS : Glass trough‚ gas jar stand‚ metre ruler‚ candle‚ marker pen‚ matches‚ plasticine. Figure 1 VARIABLE : i. kept constant : the size of the candle ii. manipulated : the amount of oxygen inside the gas jar iii. responds : the level of water in the gas jar PROCEDURES : 1. Use some plasticine to fix a
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“Cell Transport Lab” Hypothesis: I hypothesis that there will be a movement of molecules out of the egg‚ and will move into the water solution. Osmosis will occur within the egg‚ and in the process the molecules of the egg will diffuse. Time (hrs) | Observations | Circumference (cm) | * 0 | * Egg is of normal weight and size * No membrane is being shown‚ and is almost perfect | * 14 centimeters | * 24 | * Egg has gotten larger taking in some of the water * Shell is soft
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The Elvis Experiment Introduction: In this experiment we will determine how the difference in length and diameter of a blood vessel have an effect on the resistance of blood flow and how the viscosity of blood will also effect the resistance of blood flow in a blood vessel. Observation: My mom is a big Elvis fan and she always wondered how his health affected his death. Knowing that he had high cholesterol and high blood pressure I decided to do an experiment on what factors may have had an effect
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Galileo is viewed as the father of modern science because he made and tested theories which we still go by in the current years. In the present day we are thought and live by the heliocentric theory. This basically means that the sun in in the center and the planets are in its orbit. The Roman Catholic Church believed that the earth was in the center‚ therefore the sun and other planets were in the Earth’s orbit. Galileo was charged of false teaching. The charge against Galileo was grounded on
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science‚ it is a truth universally acknowledged. Galileo attempted to make the two compatible by suggesting that the truth can only be sought out if the notion under consideration can be accurately tested and if the opposing view can be founded as false. Galileo’s goes into depth about the truth of scripture and the sciences‚ intertwined with the reason of man‚ in his letter to Christina of Lorraine‚ Grand Duchess of Tuscany. Early on in the letter Galileo‚ infers from St Augustine that the Holy Ghost
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In this project I will be explaining about Galileo’s life & what he contributed to our world. If you never actually knew exactly who was Galileo‚ then you should really read this project. In brief he was a great person who lived during the renaissance‚ and was a great follower of Copernicus. He was mostly an astronomer. Have you ever wondered when looking from a telescope‚ knowing that it was invented during the renaissance‚ who invented such a great thing at that time‚ think about it‚ what a great
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case osmosis will cause more water to move out of the cell than will move in the cell and the cell will shrink. In this case‚ we say that the solution is “hypertonic”. Learn more about osmosis and diffusion from Chapter 3 of your textbook. CELERY EXPERIMENT We can place celery in three different water solutions to observe the effects of osmosis on the celery stalks. Salt will serve as our solute to
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