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    Page 9 of 32 - About 315 Essays
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    Physics Experimental investigations Will heating honey speed up how it falls from a spoon? The speed of falling of honey from an object depends on its viscosity. Viscosity is a measure of how much a fluid resists movement of a mass through it. It is the internal friction of a substance that causes it to be thick, sticky and adhesive. Apparatus needed for this investigation is: Electronic balance 750 grams of honey (around 530 mL / 530 cm3) Thermometer Bunsen burner / other source of heat /…

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    Freezing Ice Chemistry

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    This paper will give you a background on freezing point and salt. Like what is freezing point and what does this affects. Also what would happen if you put salt in ice water if there is a effect to the ice and water. This paper will give background about basic chemistry of salt. Also it will give you some background on ice cream. How ice could effect ice cream. Water has the freezing point of 0 degrees Celsius. If you put a ice cube in water the rate of freezing and melting aren't changing. If…

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    I was able to identify all the liquids in our sludge but only about half of our solids mainly because we only started working at a good pace towards the very final days of sludge. We didn’t identify any gases because there wasn’t any in our sludge. We only had three liquids in our sludge. We were able to get at least 10 ML. of liquid A and Liquid B. We had about 6 ML. of liquid C but on day #18, Monday, May 20, all our our liquid C was gone. I’m not exactly sure what happened like if the test…

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    ¨All Mixed Up!¨ Purpose: To separate out four components of a mixture using their unique properties in order to better understand matter: substances vs mixtures and their definitions as well as to better understand phase changes as well as physical vs chemical change. Materials: -Beakers -Graduated cylinder -metal screen -tongs -ring stand -bunsen burner -ring -wire gauze -hot plate -crucible -clay triangle -balance -magnet -stirring rod -plastic bag -paper towels…

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    Density Of Sand Lab

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    Density of Sand The objective of this lab is to use knowledge from previous labs, like the density of water and solids lab, and apply it to find the density of sand. First you must weigh your graduated cylinder, and record the weight, then pour in whatever amount of sand you choose. You then must weigh that to find the mass, and subtract whatever you got by the mass of the graduated cylinder. After that you pour in some water, and find the difference of how much the water went up and, what the…

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    The role of the phenomenon of postmortem redistribution in forensic cases Abstract It has been established in several studies that a postmortem blood sample examination is not always a reliable reflect of blood sample examination during life. There are a large number of variables affecting the blood concentration of foreign substances in a living individual, in the other hand, there are also a number of factors that can change their levels after death. Although the underlying mechanisms involved…

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    The purpose of this research paper was to determine the influence of cellulose and date palm pad on cooling efficiency, low cost, and reduced temperatures. A study was undertaken to compare the two types of pads to determine the cooling efficiency, low cost, and reduced temperatures. The study found that cellulose pads gave high cooling efficiency, but at the same time increased the total cost. Date palm pads saved water compared to cellulose pads. The cost of using the date palm pad was less…

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    Note this: do not use regular magnets because they do not have the strength to attract the slime. Mix the liquid starch and iron oxide powder in the bowl and stir with the craft sticks until they are mixed perfectly. Add the glue and keep stirring. Take the slime out and start squishing until it is perfectly mixed together. You may wear gloves to avoid staining…

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    INTRODUCTION Chemically and thermodynamically foam is an unstable, dispersed system of entrapment of gaseous molecules in solid or liquid matter. Instability of foam is caused generally due to coalescence, liquid drainage and disproportion of bubbles. Foam being aqueous system can be produced using surfactants available commercially. The types of surfactants used in preparation of aqueous foam influence the foam properties (Eisner et al., 2007; Bhakta and Ruckenstein, 1995). Successful foam…

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    Facts about Tech Diving You Should Know The conventional limit exceeded by the form of scuba diving specially the recreational diving’s bottom time and depth is known as tech diving. It is also known as Technical Diving. The Technical and Recreational Scuba Diving can be distinguished with lots of differences. According to many people, there are not any obvious differences between Tech and Recreational Diving. They think that ‘diving is diving’ and it is useless to divide it into different types…

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