Lab Safety
You should always wear this to protect your eyes from chemical splashes.
What are safety goggles or glasses?
This symbol indicates a product that may cause irritation or harm.
What is the "Irritant" symbol, indicated by an exclamation mark in a diamond?
This is the responsibility of the supplier regarding WHMIS products.
What is providing a Safety Data Sheet (SDS) and proper labeling?
This is the first step of the scientific method, which involves noticing something interesting or unusual.
What is making an observation?
In the C.E.R. framework, "C" stands for this.
What is Claim?
This piece of equipment is used to extinguish fires, and you should know its location and how to use it.
What is a fire extinguisher?
A flame over a circle indicates this type of substance, which may cause or intensify a fire.
What is an "Oxidizer?"
This is the responsibility of the employer regarding WHMIS products.
What is training employees or students on the safe handling and storage of products?
This is an educated guess or testable prediction that answers your question.
What is a hypothesis?
In the C.E.R. framework, "E" stands for this.
What is Evidence?
If a chemical splashes on your skin or clothes, you should use this to rinse the affected area for at least 15 to 20 minutes.
What is an emergency shower or eyewash station?
This symbol represents a product that can cause death or toxicity in small amounts.
What is the Skull and Crossbones "Acute Toxicity?"
This is the responsibility of the employee or student regarding WHMIS products.
What is wearing proper personal protective equipment (PPE) and following all safety instructions?
The variable that you measure or observe in an experiment is called this.
What is the dependent variable?
In the C.E.R. framework, "R" stands for this.
What is Reasoning?
This is the first thing you should do if there is a spill or accident in the lab.
What is notify the teacher or supervisor?
This symbol, a tree and a dead fish, warns of a product that can cause damage to this type of environment.
What is aquatic environment?
If you notice a WHMIS label is missing or unreadable, this is your responsibility as an employee or student.
What is reporting it to your supervisor or teacher immediately?
This is the variable that you change or manipulate in an experiment.
What is the independent variable?
This part of a C.E.R. provides the data or observations that support your claim.
What is Evidence?
Long hair, loose clothing, and dangling jewelry should be secured or removed before a lab to prevent them from doing this.
What is getting caught in lab equipment or contaminated with a harmful substance?
This symbol warns of a substance that can cause serious long-term health effects, such as cancer.
What is a silhouette of a person with an asterisk on their chest "Health Hazard"?
Workers have this right if they believe the task or environment is unsafe due to hazardous materials.
What is the right to refuse unsafe work?
This final step of the scientific method involves reviewing your results to determine if they support your hypothesis.
What is drawing a conclusion?
This is the part of a C.E.R. that explains why the evidence supports the claim, often using scientific principles.
What is Reasoning?