SOURCES OF ENERGY QUESTION: Why we should conserve energy sources; suggest ways to use energy sources efficiently; the importance of conserving energy sources; use and manage energy sources efficiently? Observation of energy sources must be made by explaining the below issues though creative writing:- * Why we should conserve energy sources? * The importance of conserving energy sources. * Ways to use energy sources efficiently. * Ways to manage energy sources efficiently
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Internal Assessment Partners: Bhavya and Katherine Research question: Does the concentration (mol dm3) of sulphur dioxide in wine rise or fall when exposed to air for different time periods (0‚ 75‚150‚225‚ 300 minutes)? Purpose: Many adults enjoy the consumption of wine but are not aware of the different preservatives and chemicals that are added to the drink. Sulphur Dioxide‚ which is added to many food products including wine because it acts as a reductant‚ is ‘well known as a poisonous and
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Percentage composition by mass of magnesium oxide – Report Objective: To measure and calculate the ratio of magnesium to oxygen in magnesium oxide. To compare the lab ratio to the percent composition calculation based on the formula. Hypothesis: Based on the law of definite proportions‚ the percentage composition of magnesium oxide should be around 60% magnesium and 40% oxygen. Materials: * Goggles * Centigram or analytical balance * 2-4 cm magnesium ribbon
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Deforestation The “Slashing and burning” of rainforests has to stop. The deforestation of our rainforests is effecting our environment and us more than you may think. We get the oxygen we need from trees‚ forests protect us from Carbon Dioxide‚ and forests protect most of Earth’s plants and animals. We need trees to breathe and rainforests to protect us from harsh things that we emit from our bodies. Many rainforests help and protect us. “More than 20% of the world’s oxygen comes from the Amazon”
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baking soda hit the vinegar and lemon juice‚ the balloon started to expand.Adding the lemon juice to the baking soda creates a chemical reaction. The baking soda is a base‚ while the lemon juice is an acid‚ when the two combine they create carbon dioxide (CO2). The gas rises up and escapes through the soft drink bottle‚ it doesn’t however escape the balloon‚ pushing it outwards and blowing it up. What happen when I tested the experiment was me and my mommy had test it out and I found that two of
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Power Source Daniel Rochelle Com/156 10/4/2013 Jason MacLeod Power Source Can you believe there are 7.1 billion people on this earth. In the United States the average household uses 940 kilowatt-hours (kWh) per month. Right now‚ solar power is producing .7% of the world’s energy. That may not seem like much compared to nuclear power which is producing 13% of the world’s energy. Currently in the United States alone solar power is producing .11% of the energy consumed and nuclear is producing
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of Carbon Dioxide in the air increases the warmth of our planet and is the main cause of the “Global Warming Effect”. One answer to global warming is to replace current technologies with alternatives that have comparable or better performance‚ but do not emit carbon dioxide. We call this Alternate energy. According to Oxford Dictionary‚ Alternative Energy is energy fueled in ways that do not use up natural resources or harm the environment. Alternative energy refers to energy sources that have
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CHAPTER I AIR POLLUTANTS: SOURCES AND CONTROL OF GASES Introduction: 1. According to the World Bank‚ in 2007 air pollution cost about 3.8% of China’s 2. gross domestic product‚ mainly from diseases and loss of lives. 3. World Health Organization estimates that in India alone about 500‚000 premature deaths are caused each year by indoor air pollution. 4. Serious respiratory disease-related problems have been identified for both indoor and outdoor pollution in major cities of several countries. 5.
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contain. -Fruit and Vegetables Table 1 and Graph 1 show that only 40% of the fruit and vegetables only contained chemical preservatives. One of the items of food was banana chips‚ this product contains Sulphur Dioxide. According to H.A. Steinman‚ M le Roux and P.C. Potter‚ Sulphur Dioxide enhances a persons asthma. Only 4 items from the table contained preservatives whereas 6 did not. Not many fruits and vegetables contain preservatives simply because they come from nature. One of the items contained
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Blog resource: http://tinyurl.com/2924a5l Click4Biology: http://tinyurl.com/2g2cn8e Cite all sources using the CSE method (or ISO 690 Numerical in Word). The first example has been done for you. Highlight all objective 1 command terms in yellow and complete these before class. Highlight all objective 2 and 3 command terms in green – these will be part of the discussions in class. After class‚ go back and review them. Complete the self-assessment rubric before submitting to
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