1.2: laboratory safety and WHMIS Flashcards
what is the purpose of a microscope?
a tool that uses two lenses to enlarge samples
how do you use a microscope?
a sample is placed on a glass slide and covered with a cover slip, then placed under the microscope for observation
what is the purpose of a hot plate?
an electrical device that is used to heat samples in a lab
what is the purpose of graduated cylinders?
used to accurately measure liquid volumes (in mL
what is the purpose of beakers, Florence flasks, and Erlenmeyer flasks?
used to stir, store, heat and (roughly) measure liquid volumes
what is the purpose of safety goggles?
used to protect your eyes from any harmful substances
what is the purpose of test tubes?
used to mix, heat or store substances
what is the purpose of a petri dish?
used to hold specimens for observation and to grow cultures
name 5 lab safety rules:
- always tie your hair up
- wear long sleeves and closed-toe shoes
- refrain from eating and drinking
- use protective eyewear
- report all accidents to instructor
what does GHS stand for?
Globally Harmonized System of Classification and Labelling of Chemicals
what is GHS?
an international program to standardize how countries around the world deal with hazardous materials
what does WHMIS stand for?
Workplace Hazardous Materials Information System
what is WHMIS?
how Canada implements the GHS program. including rules around how hazardous materials are classified, labelled and communicated through information sheets
what are the 5 parts of a product label?
- Pictogram
- Signal Word
- Hazard Statement
- Product Indentifier
- Precautionary Statement
what is a pictogram? (product label)
a graphic representation of the hazard posed by the product
