Lab Safety Rules
This is the safe technique of using your hand to gently sweep chemical vapors towards your nose?
What is wafting?
What is a graduated cylinder?
WHMIS stands for...
What is Workplace Hazardous Materials Information System?
Data described in words, pictures, or sensory details (like colour changes or fizzing) is called this.
What is qualitative information/data?
This system removes dangerous gases and vapors from the workspace to protect your lungs.
What is a ventilation system?
If chemicals splash into your eyes, you must use this safety station for at least this many minutes.
What is the eyewash station for 15 minutes?
This tool allows liquids to be swirled or mixed rapidly without splashing out.
What is an Erlenmeyer flask?
All WHMIS hazard symbols feature a black pictogram enclosed inside this specific border shape and colour.
What is a red diamond border?
This variable is the one factor that the scientist intentionally changes or tests during an experiment.
What is the independent variable?
These communities have used detailed observational science like tracking climate and animal patterns, for years before Western frameworks were established.
Who are Indigenous communities?
Name three items of personal attire or gear you must secure or wear before starting a lab?
What are tying back long hair, wearing closed-toe shoes, securing loose clothing, or wearing safety goggles/aprons/gloves?
This piece of safety equipment is specifically designed to transport hot glassware safely off a heat source.
An SDS is a standardized document provided by manufacturers for every chemical; it contains this specific number of sections.
What is 16 sections?
Every hypothesis must follow this strict three-part structural outline.
What is "IF....THEN....BECAUSE"?
This shallow, cylindrical dish is used in biology to grow bacteria or observe small biological samples.
What is a petri dish?
This is the immediate procedure you must follow if glass breaks or a chemical spills during an experiment.
What is telling your teacher immediately (and not cleaning it up yourself)?
This specific scale measures the pulling force acting on an object in Newtons.
What is a spring scale?
On household products (HHPS), you check this outer feature to determine the hazard intensity level, and this inner feature to know the type of hazard.
What is the outer frame (shape) for intensity level and the inner pictogram (image) for the hazard type?
The difference between an observation and an inference is best described by these two definitions.
What is an observation uses your senses to gather facts, while an inference is a logical explanation/guess based on those observations?
This WHMIS symbol features a skull and crossbones icon.
What is acute toxicity?
These are two consequences outlined in the lab rules if a student continuously refuses to follow safety expectations.
What are being removed from the lab experiment and having a phone call home made to parents/guardians?
Most laboratory containment containers are made of glass for this specific safety reason.
What is to absorb thermal shock and chemical reactions without shattering?
This WHMIS symbol features an "O" with flames on top and indicates materials that can release oxygen to intensify fires.
What is the oxidizing symbol?
In an experiment, all variables that are kept exactly the same to ensure a fair test are called this.
What are control (or controlled) variables?
According to step 4 in the scientific method, you must write down findings during the lab because of this golden rule.
What is "if you didn't write it down, it didn't happen"?