Penny Goggles HCl Filler Distilled Water Method: Note that HCl is an acid and must be cautious around this acid for it can burn your eyes so wear goggles‚ and wash hands after the lab. 1. Retrieve a penny that is post 1983
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Goggles will protect your eyes from the hazards associated with snowboarding‚ including harmful UV rays‚ wind‚ snow and ice. Gloves‚ Hat and Thermal Underwear - As with the thermal pants and jacket‚ it is essential that you wear thermal underwear and thick
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overlapped everyone in my 4 laps of biking. I need to transition from biking to swimming fast so I don’t lose my lead. But first‚ I need my goggles. I look down the road from the easy obstacles and see another biker come down the road. I scan the area and spot my dad. I wave to my dad. “Hand me my goggles!” I yell to my dad as he hurries over to me. He shoves the goggles into my hands so hard‚ I nearly have to regain my balance. I pull the elastic bands and tighten them over my head as I jog towards the
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Universal Precautions Universal precautions refers to the practice‚ in medicine‚ of avoiding contact with patients’ bodily fluids‚ by means of the wearing of nonporous articles such as medical gloves‚ goggles‚ and face shields. The practice was introduced in 1985–88.[1][2] In 1987‚ the practice of universal precautions was adjusted by a set of rules known as body substance isolation. In 1996‚ both practices were replaced by the latest approach known as standard precautions (health care). Nowadays
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INTRODUCTION TO DROSOPHILA GENETICS DROSOPHILA CULTURE We will study basic principles of Mendelian inheritance with the use of the fruit fly‚ Drosophila melanogaster [the name means “black-bodied fruit-lover”]. Drosophila was one of the first organisms to be studied genetically: its small size‚ short life cycle (10 ~14 days at 25oC)‚ high reproductive rate (an adult female can lay 400-500 eggs in 10 days)‚ and ease of culture and genetic manipulation have made it perhaps the best understood animal
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1. According to Shaffer and Kipp (2014)‚ “Self-esteem is evaluative and refers to the child’s satisfaction with those qualities comprising his or her sense of self” (p.421). Markus did not play his best in today’s tennis match. His performance surely lowered his self-esteem. 2. Self-Concept pertains to one’s self. “Self- concept refers to how a child views his or her qualities and sense of self” (Shaffer & Kipp‚ 2014‚ p.421) Casey is realizing that both positive and negative qualities are incorporated
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then compare the result with theoretical value FC = m(2r. Apparatus : 1Rubber bung 1Glass tube (About 15 cm long) 1Slotted weights‚ with hanger 12 × 0.02 kg 1Nylon thread 1.5 m 1Paper marker 1Adhesive tape 1Metre rule 1Stop watch 1Safety goggles Set-up: Procedure: 1. Attach one end of a 1.5 m length of nylon thread to a rubber bung and thread the other end through a glass tube‚ a paper marker and a number of weights as shown. 2. First adjust the position of the marker so that
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Testing the effect of concentration on rate of reaction Plan: We are investigating the effect of nitric acid on calcium carbonate. We are doing this experiment‚ as we would like to understand the effect that acid rain has on limestone. We also want to understand how acid can have an effect on rate of reaction. The word equation for the reaction that will take place is: Calcium Carbonate + Nitric Acid Calcium Nitrate + Carbon Dioxide + Water The balanced symbol equation
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Unit1 : HLTWHS001 Participate in work health and safety Learner Guide 1. Write a two page report(600 words) on participating in work health and safety. Importance of health and safety It could be possible when it occurs in every activity. Even though‚ we can injury by external environment while we are sitting on the chair. But‚ not all cases‚ we can eliminate ‚ process or minimize by founding earlier the hazard. For example‚ have a look around how many hazards are exist. If there is a broken toy
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contract at http://www.flinnsci.com/Documents/miscPDFs/Safety_Contract.pdf and then answer the questions below in sufficient detail: (a) (1 pts) Describe some general lab safety rules that were discussed in this video and reading. Answer: wearing goggles‚ closed toe shoes‚ and lab coat (b) (1 pts) Briefly discuss the importance of safety in the chemistry lab‚ and why it is important to know the location of safety equipment in the lab. Answer: Safety in the lab is essential to not only the person
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