Question: Which heats up faster: sand or water? Hypothesis: Sand heats up faster than water because it has a lower specific heat. Water has a specific heat‚ which requires one calorie of energy to raise the temperature of one gram of water by one degree Celsius. Sand has a lower specific heat. It takes .19 calories per gram to raise the temperature of the sand by 1 degree Celsius. Sand requires fewer calories to raise its temperature one degree Celsius and that’s why it heats up faster than
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What is Alkaline Water? Alkaline water‚ also commonly known as ionized water‚ is water that has a pH level greater than seven. This water is generally produced with the aid of a faucet-based water ionizer‚ or "alkalizer" and features a number of health benefits. Making Alkaline Water These are some of the possible sources of alkaline water: * Lemon (& Lime) Water * pH Drops * Alkalising Powder * Mainstream Water Filters * Water Distillers * Reverse Osmosis * Alkaline
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proven technology called electrolysis. Whenever you place two pieces of metal in water‚ and apply electricity‚ the water separates into it’s basic molecules‚ Hydrogen and Oxygen (H2O). If you look at the picture on the left‚ you will see H2O molecules connected together in their liquid form which is WATER But when you apply electricity (from your car battery)‚ the molecules separate and form a GAS (called HHO) which is a mixture of Hydrogen and Oxygen. This HHO GAS is then sucked into your engine
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of purified water again. Due to the people of the United States drinking billions of gallons of water daily‚ the amount of purified water we drink is starting to run out which is causing a problem already. Psychological studies have shown humans still don’t accept water being reused even after knowing the water is purified and perfectly clean. Advocates are still against ultraviolet machines being used to clean and purify water. While some people believe that drinking recycled water is both repulsive
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Examine the ways in which childhood can be said to be socially constructed (24) Sociologists see childhood‚ which is a socially defined age status‚ as being socially constructed which‚ is something defined and created by society. There are historical and cultural differences in how childhood is defined. For example western societies define children as being vulnerable and separate from the adult world‚ whereas in the past they played a bigger part in adult society from an early age. The main
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Topic 6 Water Quality and Water Management What determines water quality? Drinking water should be colorless‚ odorless and flavorless; this means that there are no organisms and sediments in the water‚ but it does not mean that if your drinking water look‚ smells and taste clean‚ that does not mean that there is nothing else it. Water also contains dissolved solids: •Sulfur •Calcium •Magnesium If water contains a lot of dissolved calcium and magnesium it is called hard water
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EN NORAZAM OTHMAN STUDENT NAME: RAIHA AZENE RAMLI MATRIC NO.: MB111105 CASE STUDY NO.3: LITERATURE REVIEW Based on the two articles (source: The Star‚ 10 October 2010‚ Focus page F24 & F26)‚ Case study 3 requires the reviewer to suggest ways to which the Government can help to control house prices although there are various factors that contributed to the rise of affordable housing. Argue your case critically and creatively. The source and nature of your literature will be very helpful in presenting
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needs water to survive. Water is our most important resource that is required to ensure our survival. This resource is something that we use every day in our lives and it serves many different purposes. We use water to take showers‚ to flush the toilet‚ cook dinner‚ to drink‚ and to clean. Water is not only used for our domestic needs‚ or wants but it is used in agriculture‚ industries‚ transportation‚ and as an alternative energy source (Lenntech‚ 2008). Life would be impossible without water. All
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Hydropower is a renewable energy source which is produced by the movement of water. The energy produced can be stored and utilized for various operations. By drawing inspiration from existing hydroelectric technologies‚ but implemented on a much smaller scale‚ we believe that enough energy can be produced to support disadvantaged communities in the wake of the recent tariff increase. As aspiring engineers‚ we are keen on using our creative problem solving skills to make a difference. In recent years
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| Types of pollution and effects | | | R Chivers | 5/23/2013 | Pollution and effects that it has on us and our planet‚ and the steps being taken to reduce pollution and make the world a better place for future generations to appreciate and enjoy. | This report will discuss four types of pollutions and their effects on us and how we can help clean up the planet. There are different types of pollution; air pollution that affects the air we breathe‚ water pollution that affects
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