Vocabulary

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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.