Science investigation Aim: To try to see if the temperature affects the rate in which Amylase breaks down starch into maltose. In this reaction starch is the substrate and maltose is the product. Amylase is an enzyme‚ Enzymes‚ also called catalysts‚ are in living things and there are thousand of them. Enzymes break down food by the active site on the Enzyme forming a chemical bond with a substrate and then water attacks the substrate until it is hydrolysed (split in 2). Equipment: Boiling
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Is There A Relationship Between Body Temperature and Heart Rate? Statement of Research Question: This study sets out to determine whether there exists a difference in the average body temperature between males and females. Furthermore‚ the study aims to determine whether an increase in heart rate corresponds with an increase in body temperature. Data Collection: The data was obtained from the article “What’s Normal? -- Temperature‚ Gender‚ and Heart Rate” (Shoemaker‚ Allen 1996) as found in
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The Respiratory Rate of Goldfish Affected in Lower Water Temperature Introduction: Temperature is a key influence that can change the respiratory rate of an ectothermic animal: Carassius auratus (commonly known as a goldfish). The respiration of a goldfish will change depending on certain factors. First‚ goldfish are exothermic‚ as are all fish. Their body temperature is determined largely by the temperature of the surrounding water. They absorb energy from the water (and to a far lesser extent
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How does the temperature of water affect how fast sugar can dissolve? Predict We will do three different tests‚ dissolving the water in boiling‚ warm and cool water. The sugar in the boiling water will dissolve the fastest. The sugar added to the cool water will dissolve the slowest. Reason According to the state of matter theory‚ the particles in a gas move faster than in a liquid‚ which I will use to infer that the hotter the water is and closer to a gas‚ the faster the particles move. Therefore
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of climate change on international trade Introduction Climate change is an important environmental issue‚ a scientific fact and a long-term global problem that involves interactions‚ It has complex political‚ social‚ environmental and economic implications. The main cause of the phenomenon is attributed Continued climate change to human activity and abuse of available natural resources‚ which led to imbalance Environmental balance‚ not to mention other natural causes. Climate change is one of the
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of temperature change will result from heating ice to liquid‚ then boil (steam)? What will happen to the water after the boil? I hypothesise the water heats ice to liquid and then goes to simmer and boil. The independent variable is the hot plate changed to a burner itself. The dependent variable is what we are measuring is the time. The steps in the lab were to first start off with a burner‚ ice and water in a beaker‚ then record time and water temperature. Also‚ some phase changes in between
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Dillon Liu 1/20/2013 Section3: Challenges and Changes in the Movement 1. 1) de facto segregation Racial segregation established by practice and custom‚ not by law. African American faced this problem in the North. 2) de jure segregation Racial segregation established by law. 3) Malcolm X One African American leader who urged their followers to take complete control of their communities‚ livelihoods‚ and culture. He was a Muslims who developed
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How does the temperature of 75mls of water affect how quickly one teaspoon of sugar dissolves? Aims and Objectives The aim of this scientific enquiry is to determine if and how the temperature of 75mls of water affects the speed in which sugar can dissolve in. The objective is to use three different independent variable temperatures of water. Then record three dependent variables of time in which the sugar dissolves in the different temperatures of water being used. One being cold‚ which in this
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Two main groups of changes affect managers’ jobs and are significant to an organization: external forces and internal forces. With external forces‚ the need for change comes from various sources outside the organization: marketplace‚ governmental laws and regulations‚ technology‚ labor markets‚ and economic changes. Internal forces originate from the internal operations of the organization or from the impact of external changes. They include redefining an organization’s strategy‚ workforce‚ new equipment
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The Affect of Change in Leadership David Downin Dr. Sam Sanders Abstract Leadership is an area of growth. The person in a leadership position is set to guide the minds of the people beneath him or her
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