is the temperature at which water changes phase from a liquid to a solid or vice versa. The freezing point describes the liquid to solid transition while the melting point is the temperature at which water goes from a solid (ice) to liquid water. In theory‚ the two temperatures would be the same‚ but liquids can be super cooled beyond their freezing points so that they don’t solidify until well below freezing point. Ordinarily the freezing point of water is 0° C or 32° F. The temperature may be lower
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Part B: Practical Report The Effect of Temperature on Enzyme Activity Aim: To investigate how temperature effects the enzyme catalase. Hypothesis: If the temperature of water is increased then the enzyme will react quicker to form oxygen and water‚ when compared to cold water. Purpose: To design and conduct a plan of a practical about the effects of temperature on enzymatic activity with a partner. Introduction: An enzyme is a protein‚ which speeds up a specific chemical reaction without altering
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Aim:- To investigate the effect of changing the temperature of glycerin on the index of refraction. In this experiment I will be using a simple method‚ which needs the following materials 40ml of glycerin in a beaker‚ protractor‚ a pencil‚ a laser‚ a paper to draw boundaries‚ circular plastic plates‚ hotplate‚ ruler and a digital thermometer. In this experiment 1 trial will be conducted for glycerin with 70 Celsius degrees ‚66‚62‚58‚ and another trial with 10 Celsius degrees. Scientific Background:-
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Unit 22 – Task 1 P1 Research is carried out for many reasons; some of these reasons include taking a snapshot of society‚ this is where sociologists go into a certain area and gain knowledge about that particular area. Usually the sociologists will find some issues with that particular place and try make some improvements on those issues. Improvements are focused on issues such as teenage pregnancy‚ abortion and drug and alcohol misuse. Another reason for researching into issues within health and
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butterflies need to regulate their body temperatures through thermoregulation. There are two types of ways to regulate body temperature. The first one is ectothermy. Ectothermic animals‚ or cold-blooded animals‚ rely on outside sources to heat or cool themselves. Cold-blooded animals can lie under the hot sun to heat themselves up and prepare for flight or to move around. However‚ if there is no source of heat‚ they are not able to raise their body temperature to the correct level for movement. Butterflies
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Name: Date: Save Smog City 2 from Particle Pollution Student Worksheet 1. Access the Smog City 2 web site at www.smogcity2.org. 2. Select “Save Smog City 2 from Particle Pollution.” 3. Once Smog City 2 loads to your computer‚ take note of the areas of Smog City‚ including Weather Conditions‚ Emissions Levels and Population. All areas have “clickable” choices. Mouse-over or click on the choices. • NOTE: in the information box at the bottom of the screen‚ there is information about
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Some say it was destined to happen because specific events that took place‚ others say it was purely circumstantial and find an event like this very rare. And while there are many reasons that can be attributed to the Renaissance happening‚ a general well-rounded explanation is that
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Have you ever wondered what really happened on the Titanic in that early morning of April 15. There was many theories of the truth of the Titanic and what really happened that day like they could have had a fire‚ they could have switched the boat‚ or they could of took a wrong turn. There are many other theories of what happened but here are a few explained of what could of happened since there is nobody still alive to confess what really happened on the night the Titanic took that horrible crash
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experiment was to determine the effect of temperature on the rate of movement of Porcellio scaber. Our prediction was that P. scaber would have faster rates of movement in hotter temperatures. We expected this response as P. scaber is an ectotherm. Hence‚ its body temperature is directly determined by the temperature of its environment (Mellanby 1939). Løkke and van Gestel (1998) stated that the rate of the metabolism is controlled by the environmental temperature for ectotherms. As seen by Wieser‚ cited
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1. What happened? The holocaust was the systematic extermination of over six million Jews‚ along with many black‚ gypsy‚ homosexual‚ and disabled people. It is considered one of the largest cases of genocide from modern history. Even though it started as simple discrimination‚ before long it had escalated to full blown organized murder. From 1933 all the way through 1945‚ anyone that Hitler deemed as ‘undesirable’ was annihilated. In 1933‚ there were roughly nine million Jews in Europe‚ with the
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