solution of bleach and water for 10 minutes before washing them. Rinse the shells and scrub them with a stiff brush to remove any residual dirt and barnacles. Pick out debris in small areas using a dental pick. Sand the surface of the shells with sandpaper‚ starting with a rough grit and working up to a fine grit to buff the shells to a smooth‚ shiny finish. Roll out a 1/4- to 1/2-inch sheet of ceramic clay. Flip the slab of clay over and roll it out on the other side to prevent the clay from warping
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Letter of Acknowledgement I would like to express the deepest appreciation to my instructor Mr. Mudassir Hussain‚ who has the attitude and the substance of a genius: he continually and convincingly conveyed a spirit of adventure in the regard to research‚ and an excitement in regard to teaching. Without his guidance and persistent help this dissertation would not have been possible. I would like to thank Mr.Tabish Ahmed Hashmi‚ Senior Supply Chain Manager at 3M Pakistan who provided us with the
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compound traveled to how far each solvent (substance that dissolves another substance) traveled during the experiment. Rf = Ds/Df Ds = Distance traveled by the compound Df = Distance traveled by the solvent Materials: coffee filter‚ tape‚ rubbing alcohol‚ water‚ 3 different color magic markers (not permanent); 3 identical tall‚ narrow drinking glasses; metric ruler‚ 3 pencils Pre-lab Questions: 1. List one extensive and one intensive property of marker ink. Extensive – volume‚ Intensive
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priority is to demonstrate OS’s viability and protect its credibility. There is a second unrelated project (initial invest $5mln with a potential development of a $200mln business) 3M 2products signed the begins of 3M’fortune: waterproof sandpaper(cartavetrata) and adhesive tape To ensure innovative and creative environment set the R&D spend rate twice the average for the USA industrial companies an the 15%rule (employees can devote up to 15% of their time to nonprogram activities. Structure
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My experiment was to find out how the type of liquid can affect the amount of drops that can fit on a penny. I used 3 liquids to test my question and they were water‚ rubbing alcohol‚ and vegetable oil. I discovered that water could hold the most drops and vegetable oil and rubbing alcohol could hold about the same amount of drops. My hypothesis was if I use water then it will hold more drops than vegetable oil. My hypothesis was supported by my data. The average number of drops for water was 93
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lab – what are you going to learn in this lab? (2 points) HYPOTHESIS: Answer the following in complete sentences: (2 points) 1. List one extensive and one intensive property of marker ink. 2. Define mixture. MATERIALS: coffee filter Tape rubbing alcohol water 3 different color magic markers (not permanent) 3 identical tall‚ narrow drinking glasses metric ruler 3 pencils PROCEDURE: 1. Cut 3 strips of coffee filter. Be sure that the strips are much narrower and slightly taller than the drinking
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How to Make Ink from Alugbati Things You’ll Need: • Fresh fruit of alugbati • Mortar and pestle • Strainer • Bowl • 3 tbsp. vinegar • 1 tbsp. salt • 2 tbsp. rubbing alcohol • 1 tbsp. iodine • Bottle Writing ink can be made from many natural sources‚ such as the fruit juice of the alugbati plant. Alugbati‚ known in the U.S. as Malabar spinach‚ is commonly grown for its soft‚ spinach-like leaves and shoots. Alugbati is of African and East Asian origin. The juice of the fruits was reportedly
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Sweet Tooth Conclusion The purpose of this lab was to determine whether the type of solvent will change if sugar can dissolve in it. For this experiment‚ 50 mL of water‚ rubbing alcohol‚ and vegetable oil were poured into different beakers with 1 gram of sugar and stirred for a minute to see if the sugar has the ability to dissolve within the solvent. It was hypothesized that if the solvent was changed‚ then there would be different amounts of sugar that can dissolve in it. During the experiment
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cat food. One morning‚ Tabetha’s mother is visiting and take out a can of tuna to make tuna salad sandwiches. As she opens the tuna can with an electric can opener the cat starts rubbing her leg and purring and meowing. CS- can opener UCS- cat food CR- cat rubbing rubbing on leg and purring UCR- cat rubbing rubbing on leg and purring 4. Rachel’s boyfriend always wore a certain kind of cologne that she was allergic to. Whenever he came over‚ she would start sneezing. A couple of weeks after
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Abstract In this experiment you can prove that electric charges can produce by using only a balloon and pieces of papers you can understand further static electricity and charges. And how it is produced. Introduction Have you ever wondered why rubbing a balloon make pieces of paper attract with it? The effect is due to static electricity‚ but how is the static electricity made‚ and why does it make pieces of papers attract in the balloon? Static electricity is the buildup of electrical charge
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