Energy Period …………. Skills 1. classifying types of matter 2. interpreting particle diagrams 3. identifying physical & chemical properties of matter 4. separating Mixtures 5. converting Temperatures 6. identifying physical & chemical changes in matter Skill #1: Classifying types of matter - refer to your notes and RB p. 1-2 Classify each of the following with the combination of terms listed below. pure substance – element mixture – homogeneous pure
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Science IA Rough Draft The Effect of Temperature on The Activity of The Enzyme Catalase Introductions: Enzmyes are proteins that catalyze chemical reactions. All living things have catalase present in them. Catalase is a common HYPERLINK "http://en.wikipedia.org/wiki/Enzyme" enzyme found in nearly all living organisms that are exposed to oxygen‚ where it HYPERLINK "http://en.wikipedia.org/wiki/Catalyst" catalyzes the decomposition of HYPERLINK "http://en.wikipedia.org/wiki/Hydrogen_peroxide"
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Copy button on the panel above to save your report) Activity: Name: Instructor: Date: Enzyme Activity Pam Campbell Id 0002337 Dr. Murphy Nmezi August 9‚ 2011 Predictions 1. Sucrase will have the greatest activity at pH 6 2. Sucrase will have the greatest activity at 40 °C (104 °F) 3. Sucrase activity increases with increasing sucrose concentration until a plateau is reached. Materials and Methods Effect of pH on Enzyme Activity. 1. Dependent Variable. amount of product (glucose and
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prepared for the experiment‚ one at room temperature and the other two at 15°C and at 5°C. The room temperature water bath was prepared by filling a basin with tap water about ¾ full so that when the subject’s face is submerged‚ the water will not spill. A thermometer was used in order to obtain the temperature of the water. The temperature obtained was at 26°C. The water baths having temperatures of 15°C and 5°C were also prepared the same way as the room temperature water bath only with the addition of
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This principle goal the scientific investigation was to see if changes in temperature expands the air inside of the basketball causing it to bounce higher. This experiment was decided by observations made while playing the sport basketball. It was observed that when a basketball is left in the sun and made warm‚ the ball bounces higher when dribbled than if left inside. Our assumed result was that an increase in temperature would cause an increase in air pressure causing the bounce of the basketball
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_______ − 2 − 10 = _______ − 8 − ( − 8 ) = _______ − 8 − 8 = ________ m. − 16 − 11 = _______ Last night the temperature in New York City went down to 4°F. In Antarctica‚ the temperature went down to − 20°F. What is the difference between the two temperatures? answer: _____________ In Antarctica‚ the temperature air temperature is − 5°F . The temperature of the nearby water is 33°F. How much colder is the air than the water? answer: _____________ Super Teacher Worksheets − www.superteacherworksheets
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Heat‚ Temperature‚ and Phase Changes Assessment Practice Answer This graph shows what happens to the temperature of the water‚ while it was boiling in a kettle‚ as heat energy was being added to it and what the water was doing will it began to warm and change states. During a phase change‚ the temperature remains mainly constant. This occurs because the heat energy is used to break the bonds between the ice molecules as they turn into a liquid phase. It is possible to constantly
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EFFECT OF CLIMATE CHANGE ON COMFORT LEVELS OF OLDER PEOPLE IN NURSING HOMES IN FLORIDA John Onyango1 & Angelica Tavarez 1 School of Architecture‚ University of Miami‚ USA‚ j.onyango@miami.edu 2 School of Architecture‚ University of Miami‚ USA‚ g.wang2@miami.edu Abstract It is estimated that temperature and humidity levels in Florida will increase on average by between 4° F and 11° F by 2080 due to effects of climate change. This will results in the characteristics of the indoor
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pH and Temperature on Enzyme Activity” Abstract: In the following experiments we will measure precise amounts of potato extract as well as Phenylthiourea‚ combined with or without deionized water and in some instances change the temperature and observe and record the reaction. We will also investigate the different levels of prepared pH on varying samples of the potato extract and the Phenylthiourea and record the results. We will answer question such as what is the best temperature for optimum
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Temperature and Thermometers The Temperature of an object is a measure of the hotness or coldness of that object. An alternative way to think of temperature is to say that “the temperature of an object is a number – on some manmade scale – that indicates the hotness of the object”. ‘Hotness’ in turn is a measure of the kinetic energy of the molecules of the material. Note: You must use the term ‘hotness’.* The SI unit of temperature is the Kelvin (K)* Relationship between degrees Celsius
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