effect of temperature on surface tension of liquids. 3. To study the factors affecting the rate of loss of heat of a liquid. 4. To study the breaking stress of different materials of varying diameter. 5. To study the Inter conversion of potential and kinetic energy. 6. To determine the specific heat capacity of liquids. 7. To study the factors affecting the range and height of a projectile. 8. To study the factors affecting the coefficient of friction between 2 surfaces. 9. To study the factors
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limits. Close proximity of increasing numbers of leach pit latrines under varying soil conditions‚ late rite (midland) and sandy soils (coastal area); • Non point sources of pollution in the catchment area including possible agricultural and surface run off‚ especially during the rainy season; • Washing‚ bathing and other domestic activities around the open dug well sources‚ especially among the low income communities; • Inadequate and irregular disinfection of drinking water supplies‚ including
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Driveway Pavers Meta Description – ( *(Words with blue colors are the keywords) **(Words with green color are used for interlinking) What are Driveway Pavers? A driveway is a path which may lead to the street‚ parking area‚ garage‚ pathways‚ walkways or home entrance. These cover the major portion of your place and are the highlighters for the project. Pavers are the multi-dimensional pieces‚ popular with the name paving stone. These are mostly applicable for flooring
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lakes and swamps cover more than 10% of the land area • Snow melts in the Himalayas in the summer‚making the river ganges flood. Additionally‚ Most of the country is delta and flood plain‚ landforms formed by regular river floods. The amount of surface water makes them tough environments for populace‚ but at the same time they are also appealing because of the deep‚ constantly renewed silt soils that are extremely fertile‚ which support some of the highest agricultural densities of population in
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Temperature‚ moisture‚ soil type‚ microbial activity‚ oxygen concentration‚ sunlight‚ nitrification‚ and the amount of leaching all have an effect on the breakdown of pesticides in the soil (Extoxnet‚ 2000a). Rainfall patterns and the timing/intensity of irrigation in relation to high rainfall intensities will also influence herbicide movement in or from soil. Metolachlor is considered to be moderately persistent in different soil types (U.S. EPA‚ 1997)‚ and has an average field dissipation half-life
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and hydrophilic (water hating) and the carboxylate end is polar and hydrophilic (water loving). This the property which allows it to clean‚ it acts as an emulsifying agent. The soap disperses in water to form miscelles where a negatively charged surface is formed and hydrocarbon chains are in the centre. These miscelles surround
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help us understand better the role of surfactant in the alveolar system. Surfactant is a detergent-like substance produced by the Type II alveolar cells in the alveoli. Surfactant is produced to make it easier for people to breath by reducing the surface tension of the water molecules that primarily compose the walls of the alveoli; it helps them to not stick together. For this experiment‚ we will be using milk and food coloring to represent the water (milk) and gas (food coloring) in the respiratory
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Darlene Garcia GEO 151 Prof. Denyse Lemaire WA1 Feb. 2010 1. What are the relationships among Earth’s mantle‚ crust‚ asthenosphere‚ and lithosphere? The core is divided into three major compositional layers. The crust on Earth’s surface‚ the rocky mantle beneath the crust and the metallic core which is the center of the Earth. While distinct and separate parts of Earth‚ they are all interconnected. The metallic inner core is solid‚ surrounded by a liquid (molten) outer core. Most of
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Internal Assessment IB Physics-7 Mr. Parent 14 January 2012 I. Design • Purpose: o To determine how the surface area of a coffee filter affects the average velocity of the coffee filter from the same height. • Variables: o Independent Variable ▪ Surface area- The area of the surface after the folds have been made o Dependent Variable ▪ The Average velocity- calculated by measuring the time and dividing by
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GENTLY drop the tissue flat onto the surface of the water GENTLY place a dry paper clip flat onto the tissue (try not to touch the water or the tissue) Use the eraser end of the pencil to carefully poke the tissue (not the paper clip) until the tissue sinks. With some luck‚ the tissue will sink and leave the paper clip floating! How is this possible? With a little thing we scientists call SURFACE TENSION. Basically it means that there is a sort of skin on the surface of water where the water molecules
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