Vocabulary Safety & Procedures. accident A ____ is unexpected and causes property damage or personal...
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Transcript of Vocabulary Safety & Procedures. accident A ____ is unexpected and causes property damage or personal...
![Page 1: Vocabulary Safety & Procedures. accident A ____ is unexpected and causes property damage or personal injury.](https://reader030.fdocuments.us/reader030/viewer/2022032802/56649dff5503460f94ae7edf/html5/thumbnails/1.jpg)
Vocabulary
Safety & Procedures
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accident
• A ____ is unexpected and causes property damage or personal injury.
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beaker
• The most common piece of equipment is the ___, which is made of glass, used to heat liquids, and for holding chemicals during lab procedures.
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conservation
• ___ is to use our resources sparingly or in a non-wasteful manner. It also refers to some of our laws in science that state that certain things cannot be created or destroyed, such as matter or energy.
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constant
• The things we want to hold the same in an experiment are called _____.
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control
• The ____ in the experiment is not altered and set aside for comparison.
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corrosiveness
• Chemicals with high ____ can cause skin irritation and burns, as well as making stains on and holes in clothing and other items.
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dependent
• The ____ variable reacts in the experiment and is observed.
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disposal
• ___ means to throw something away or get rid of it - we always must do this in the proper manner to prevent contaminating our water supply and landfills.
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emergency button
• The ____ should only be pushed in an emergency, as it will shut off all water, gas, and electricity to the lab tables, as well as activating the vent system.
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empirical evidence
• ___ is evidence that is found by a direct observation, experience, or situation, which makes it more believable.
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Erlenmeyer flask
• A ____ has a short neck from the mouth to a body that flares out from a narrow top to a wide base.
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experimental
• An _______ value is found in a lab.
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eyewash fountain
• Someone who had chemicals splashed in their face, they might want to use the ___ for 15 minutes to ensure the chemical is flushed out completely.
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fire blanket
• The best method for helping a person on fire is to throw the ____ over them and smother it.
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fire extinguisher
• In case of a fire, we could use the ____ to put it out by pulling the pin and spraying the fire in a sweeping motion.
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flammability
• ____ is the ability to burn or catch fire.
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Florence flask
• A ___ is a flask with a narrow tube from the mouth down to a fat round base.
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graduated cylinder
• A ___ is a piece of laboratory glassware or plastic ware used to accurately measure out volumes of chemicals or other liquids. They are generally more accurate and precise for this purpose than flasks.
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hazard
• A ____ is something that could be dangerous and should be handled with caution.
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hypothesis
• ___ is an educated guess.
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independent
• The ___ variable is manipulated.
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lab apron
• The piece of lab equipment that protects us and our clothing is called a ___.
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lab journal
• A ____ is used to record data and observations for lab activities.
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logical reasoning
• ___ would be looking at all of the facts and lining up those facts in such a way that you come to a documented conclusion.
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MSDS (material safety data sheets)• All companies are required to keep a
book of their ____ that contain vital information on the chemicals that are used on the premises, including how to treat people who have come into contact with harmful substances.
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observation
• An ____ is something that we notice or make note of while performing a task or experiment.
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pipette
• A ___ is a laboratory instrument used to transport a measured volume of liquid, similar to an eye-dropper.
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proactive
• To be ___ is to prepare for ahead of time.
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problem question
• After making an observation at the beginning of the scientific process, we as a ____.
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radioactivity
• Materials that pose a ___ hazard are marked with the symbol to signify that there may be harmful particles emitted from them. You may also see this symbol in places where X-rays are made, such as a hospital.
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reagent bottle
• A ___ is used to hold chemicals in storage - one should NEVER pour things into or stick items inside of them to prevent contamination.
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recycle
• When we ___, we can help save money and / or the environment by reducing the amount of waste in our landfills and the use of our natural resources used to produce new products.
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repeated trials
• ___ is done to obtain more accurate data.
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risk management
• _____ lowers accidents.
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safety goggles
• ___ are worn to protect our eyes when we are using chemicals, glassware, or fire (all labs in chemistry probably require them).
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safety shower
• A piece of lab safety equipment that can dump water on you entire body in case of an emergency is the ____ located in the back of our classroom.
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variable
• A ___ is anything that can be changed or changes.