Tuesday, May 25, 2021

Science Lab Safety Test Answer Key


  • Accident prevention is important in workplaces especially those where it is common for people to lose their lives each year. It may be hard to imagine this, but nearly thirty-five percent of all lab employees have a chance to become victims of...
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  • This is why a lab safety worksheet is necessary for the lab staff to read in order to determine the possible causes of the accidents. This includes the hazards that can cause burns and the types of hazards that can result in death. The hazards also...
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  • It is also important to mention what kind of safety equipment and personal protective clothing should be worn by victims after the accident has occurred. This part is usually longer and should include information on the reasons that a person would want to avoid using the lab as well as information on how to avoid an accident in the future. It is also important to mention what types of precautions are best to take in order to avoid accidents from happening in the first place. This part should also include the different hazards that can occur when lab staff enter the laboratory. There are several different versions of lab safety worksheets for various purposes.
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  • It is important to note that some of them have been revised since the first version of the worksheet was created. Safety Worksheets for Kids Relatively Recognizing Laboratory Safety from lab safety worksheet answer key , source:ning-guo. These chemicals should also be categorized according to the risks that they present to lab staff members. Lab safety should also be factored into the design of the lab safety worksheet.
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  • Lab safety worksheets should contain information that lists the potential dangers in the lab. If you are unsure about the information that you put into your lab safety worksheet, you should talk with a lab-safety expert or a member of lab safety worksheets committee in order to help you figure out the information that you need. In order to make sure that your lab safety worksheet answers the questions that you want answered. These worksheets can be used for many different reasons. For example, you can use a worksheet to list what types of materials are used in the laboratory and what types of chemicals are used in labs. Lab Safety Worksheet — from lab safety worksheet answer key , source:wendishness.
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  • Your instructor should be trained to assist with emergency first aid until qualified medical assistance arrives. Goggles or approved glasses. Anything getting under a contact lens will not wash out unless the lens is removed. Go to the nearest eyewash and continue to flush your eyes with WATER for about 15 minutes holding the eyelids open.
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  • Note their location. Use the eyewash located on the front lab table, or the eyewash bottles located at the entrance door, or the eye-face-body spray located next to the front lab table. Make sure you familiarize yourself with operating these devices before you start working in the laboratory. Use the safety shower. All contaminated clothing must be removed as drenching will only dilute the chemical absorbed by clothing, not wash it away. Washing should continue for at least 15 minutes or until no chemical remains in contact with the skin. Qualified medical assistance should be obtained immediately to assess any possible injury. It is located near the front door of the laboratory.
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  • A cluttered work area always increases the chances for accidents to happen. Using or keeping your bags, coats, and books on your lab bench increases the chances For reaction vessels to get knocked over and spill, for equipment to break, something catching on fire. Spillage can also damage your books and other belongings kept in your working area. Headphones obstruct hearing. Students in the laboratory need to pay attention at all times. Your instructor needs to be able to communicate with you without delay in your response. This is particularly important in emergency situations. Any equipment that may have been or is being heated has to be handled with extreme care in order to avoid burns. Hot items that need to be moved have to be handled with tongs, hot test tubes with a test tube holder.
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  • Equipment that was being heated can be checked for its temperature by approaching it slowly with the inside of your wrist where the skin is sensitive enough to detect radiating heat from a distance. This can result in a burn if someone not noticing the flame reaches over it on the lab bench. Material can splatter from the container at any time. If the reaction is heated to dryness, it can splatter from its container. Also, any glassware heated to dryness can shatter.
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  • Certain solutions can catch fire. Smoking in the laboratory is a fire hazard. It also runs the risk of possible ingestion of chemicals. A contained fire has not spread beyond the boundaries of the container. Cover it to smother it. A small, contained fire in a test tube or a beaker can easily be put out by covering it with a watch glass or beaker to smother the flames. Do not use papers or towels as they may catch fire.
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  • When using the blanket, the individual should be wrapped in the blanket and rolled on the floor. Both are located near the front door of the laboratory. Long hair, neckties, scarves, etc. When working in the laboratory do not wear clothing that is frilly or flared or has loose, flowing sleeves. Remove bulky sweaters, especially those with brushed finish. Generally, clothing composed of nonsynthetic material is best.
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  • Synthetics tend to burn and melt, sticking to the skin. Laboratory aprons and lab coats are recommended. Recommended footwear should have low heels and be composed of leather or equivalent material. Shoes should have no open spaces in order to prevent spills from getting on the feet. Canvas shoes tend to absorb liquids. Sandals offer no foot protection and are not permitted in the laboratory. Eating and drinking are not permitted in the laboratory due to the possible ingestion of chemicals.
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  • One should always take the precaution of washing the hands with soap upon leaving the laboratory. Briefly describe the procedures for a nonhazardous liquids Nonhazardous liquids that are miscible with water and are non odorous can be poured down the drain. Nonhazardous, water soluble, non odorous solids can be dissolved in water and poured down the drain or can be disposed of in the appropriate containers in the laboratory. There is always the possibility of fumes given off or spilling of the material.
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  • This could result in another individual becoming contaminated with an unidentified chemical. Even if properly labeled, outside of the laboratory chemicals are not safe to handle. Due to the lack of the necessary equipment outside of the laboratory to handle chemicals safely, they can be mishandled or misused, thus, resulting in injury. Always check for cracks in glassware to be used. Chipped or broken glass can cause cuts. Cracked glassware will break much easier, especially when heated.
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  • If irritating, potentially toxic or odorous substances evolve during a chemical reaction, the reaction has to be carried out in a fume hood. If fumes are generated unexpectedly, turn off any heating device and move the apparatus under the fume hood as quickly as possible. If exposed to vapors, get fresh air immediately. Hold the container with the substance about a foot away from your face. Cup your hand and waft the vapors towards your nose. Do not sniff the material at the opening of the container as the odor may be too strong and may overcome you. When adding chemical reagents to a reaction, always add the materials slowly with stirring. This will help to keep the reaction under control and prevent splattering or foaming.
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  • Dilution is often accompanied by heat, and splattering may occur if liquids are mixed in the wrong order. The concentration is cut down faster when the acid is added to water, and in case splattering still occurs, it will be the dilute acid splattering instead of the more concentrated one. Boiling chips or stones promote smooth boiling and prevent bumping. Add boiling stones at the beginning, when the liquid is still cold or only slightly warm. If boiling stones are added to a hot liquid, it may boil over the sides of the container. Hold the test tube with a test tube holder. Do you add boiling stones? Add boiling stones. It is held at the top of the blue core of the flame. Move the tube up and down in the flame. In case of emergency situations during which the laboratories have to be evacuated, it is important that students remember to shut down all gas burners, water, air, and electrical operations before leaving the lab.
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  • When you finish working with lab equipment you should always - A wash your hands with soap and water B wipe your hands on your clothes C treat your hands with skin lotion D wipe your hands with a paper towel You are doing an experiment in class. Suddenly you remember you have a stick of gum in your book. What shoud you do? A give the gum to your best friend B wash your hands, then put the gum in your mouth C chew the gum when the teacher isn't looking D Don't chew the gum, it is not allowed at school. You picked up a dirty test tube with a sticky substance on the outside. You get some of this substance on your hand. What is the first thing you should do? A wipe your hands on your pants B try to figure out what the sticky substance is C Wash your hands and tell the teacher D wipe your hands on a classmate You are working on a lab involving heat.
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  • Your lab partner accidently drops a glass beaker and it shatters causing a piece of glass to go into their eye. They should have been wearing - A a lab coat C gloves D sun glasses You are doing a lab with your best girl friend when all of a sudden her hair gets caught on the balance scale. She should have - A put her hair up in a rubber band B gotten a hair cut before class today C worn a hat today D skipped the lab.
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  • Lab safety quizlet This quiz is incomplete! To play this quiz, please finish editing it. Focuses on: what to do during the lab and what not to do , cleanup procedures, in case of emergencies, and lab safety symbols. Search for: Recent improve the quality and efficiency of the laboratory. Laboratory Safety Quiz After going over this material, please download this document to the hard drive of your computer and then answer the questions.
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  • ACS advocates for the safe practice of chemistry across disciplines, at every age, and in every organization. Start studying lab safety quiz. As of Mar 07 Search for: Recent Lab Safety Quiz. In order to promote personal, room, lab, and materials safety students are not allowed to eat or drink nor engage in horseplay in the lab area. Delete Quiz. The laboratory environment can be a hazardous place to work. We engage with like-minded professionals and entities to provide tools to foster a culture of safety in your classroom, campus, or lab. Read each question carefully and select the best answer.
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  • Share sensitive information only on official, secure websites This lab safety quiz includes ten questions with four answer choices per question. Any lingering questions may be raised through any number of resources, including unions, faculty health, safety and risk managers HSRMs , health and safety committees or the Office of Risk Lab Safety Quiz For each pair of images, select the one that represent the proper procedure in a lab.
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  • You will be introduced to the lab safety rules and the safety equipment, which will help you and your colleagues, if something was to go wrong in a real lab. This quiz has tags. Your Name: 1. Which of the following types of personal protective equipment are frequently used in laboratory environments? Safety glasses. Protective lab device that sprays water into your eyes in order to clean chemicals or irritants from your eyes Fire Blanket Safety equipment made of specially treated, fire resistant fabric and used to smother fires.
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  • A safety quiz does not replace safety training but should be used to check employee safety knowledge. Concepts are universal throughout all classroom labs. Better brush up on those before someone let's you loose in a lab! Here's a collection of safety symbols and their meanings that you can use for review. Safety equipment should be present in well-marked, highly visible, and easily accessible locations in or near all laboratories that use hazardous chemicals. Then read them a second time. There are lots of reasons for this, but the practical one is that it is much harder for the data to get lost Protective lab device that sprays water into your eyes in order to clean chemicals or irritants from your eyes Fire Blanket Safety equipment made of specially treated, fire resistant fabric and used to smother fires.
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  • It is important to get started on the lab right This Lab Safety Quiz contains 10 multiple choice questions and uses Google Forms to self-grade. The key is to be careful and stick to the rules. X All of the above. For example, do you know what a Bunsen burner is? This type of heating vessel produces a flame that is used to heat up a variety of glassware.
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  • Safety glasses b. If you have multiple science classes, you may want to use the included student answer document. Laboratory workers are exposed to numerous potential hazards, including chemical, biological, physical and radioactive hazards, as well as musculoskeletal stresses. All the investigations in this laboratory manual have been designed with safety in mind. Quiz not found! This worksheet should be used with a unit on lab safety. Our online lab safety trivia quizzes can be adapted to suit your requirements for taking some of the top lab safety quizzes. When special care is needed with a particular experiment or action, CAUTION will appear, with a note about the special care this action requires. The answer key will match up exactly to the answer document to allow for quick and easy grading! Laboratory quiz about lab safety, lab dress code, and proper equipment and gear usage. Any class that includes labs will find this useful. Laboratory Safety Quiz 1. There are a lot of substances that are found within the lab, and it is essential to ensure they do not get contaminated and accident if any are avoided at all costs.
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  • Here is the packet students used to learn all about lab safety. Student: Goggles are worn during science experiments - to improve vision: any time chemicals, heat, or sediments are used to protect your eyes: This is a laboratory safety quiz that may be used in any general science class including chemistry, biology, physics, physical science, forensics, anatomy, etc. Laboratory Safety Quiz with multiple choice Select a section from the list or a question from the number block. The quiz asks you about words and steps to follow related to lab safety.
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  • If you follow the instructions, you should have a safe and interesting year in the laboratory. General Safety Precautions should be followed at all times in the Science Lab. Always pay attention to potential hazards when you enter a lab. All of the above 2. Lab Equipment. The laboratory should develop SOPs for biosafety, basic safe operating procedures, and waste management that are adapted to their specific role in the laboratory and in conjunction with institutional policies.
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  • You should take 5 second breaks at least every two hours to decrease muscle strain. Put data directly into your lab book rather than transcribing from another source e. Difficulty: Easy. Learn vocabulary, terms, and more with flashcards, games, and other study tools. View Lab Safety Quiz Online. Each safety quiz has an answer key. You can take this quiz in any order. General Chem Safety Training Videos General Chem Safety Quiz Check your understanding how the good of all students regardless of suspected malpractice or any satellite in a managers challenge he empowers employees, emphasizes doing whats best for lab safety quiz the awarding of punitive and compensatory damages, in aition to patience, resolve, and ing great feats, taking risks, and working class women were drawn to scal t is in a.
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  • The feedback is immediate for the students and for the teacher. Chemistry Laboratory Safety Test Based on the Science Laboratory Safety Test by Flinn This quiz will look at various types of safety equipment, lab rules and regulations, and even types of equipment to use. You don't necessarily have to know the answer to a question -- the idea is to learn as you go. Lab Safety; General Chem Lab. If you break a beaker in the lab, the first thing you should … Continue reading "Safety quiz" View lab safety quiz. Our common sense Lab Safety Guidelines are ideal for academic laboratories and provide a cute reminder to students to work safely.
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