WHMIS, Laboratory Safety Rules, and Science Equipment Review

Flashcards covering WHMIS safety symbols and definitions, workplace requirements, general science laboratory safety rules, and common Grade 9 lab equipment functions.

What does WHMIS stand for?

Workplace Hazardous Materials Information System

What hazards are associated with the WHMIS Acute Toxicity symbol?

Irritates eyes, skin, and respiratory tract, causes organ damage, lack of coordination, drowsiness, and dizziness.

How is a WHMIS Biological Hazard defined?

Capable of poisoning or infection from micro-organisms and other organisms.

What is the description for a WHMIS Flammable Hazard?

Will burn or ignite under certain conditions.

What does the WHMIS Oxidizing hazard symbol mean?

Provides fire with oxygen, allowing the fire to expand.

What health risks are listed under the WHMIS Health Hazard symbol?

Risk of cancer, genetic defects, respiratory irritation, and reproductive or organ damage.

What is the description of a WHMIS Toxic Hazard?

Toxic or fatal if inhaled or swallowed.

What characterizes a WHMIS Explosive Hazard?

Materials or equipment have the possibility of exploding.

What is a WHMIS Compressed Gas?

Substance that is gas in a normal room temperature and is pressurized.

What is the hazard description for a WHMIS Corrosive material?

Eats away at skin, clothing, and other materials.

What risk is associated with an Electrical Hazard?

Possibility of electric spark or shock.

Which WHMIS symbols are found on household deodorant spray and bleach?

Deodorant spray has Flammable and Explosive symbols; Bleach has the Corrosive symbol.

What five occupations require WHMIS training according to the lecture notes?

Industrial workers, Cleaning Staff, Automotive technicians, Food Service, and Construction.

What general lab safety rules regarding attire and behavior were specified?

Hair in ponytails and updos, no sandals, wear eye protection, do not eat, do not smell or taste anything, and do not work alone.

What safety procedures must be followed regarding lab equipment and accidents?

Do not wash out vials, do not handle broken glass, and let your instructor know if anything happens.

Which laboratory equipment allows clamps to be attached so hands can be free?

Retort stand

Which lab tool is used to extract or drop small amounts of liquids?

Pipette

Which lab instrument can be used to find the mass of a substance?

Digital scale

What is used to cover the surface of a specimen on a slide?

Cover slip

What type of clamp is used to hold beakers and flasks on a retort stand?

Ring clamp

What equipment attaches to a retort stand to keep a test tube in place during an experiment?

Test tube clamp

What equipment is used to examine specimens under a microscope?

Slide

What cylinder-shaped container is used to observe chemical tests and measure or hold substances?

Graduated cylinder

What piece of equipment is used to observe chemical tests and hold substances in small amounts?

Test tube

What lab tool is used to measure how much force in Newtons is lifted?

Newton meter

Why is a hot plate safer than a Bunsen burner for heating substances?

It does not have a flame, though you should not walk away from it.

What equipment is used to pick up and carry a beaker when it has been heated?

Beaker tongs

Which flask is used to bring chemicals to a boil evenly?

Florence flask

What flask has a wide base and narrow neck, was created in 1861 by a German chemist, and is used to swirl solutions?

Erlenmeyer flask

What lab equipment holds test tubes during experiments?

Test tube rack

What equipment holds a specimen while dissecting?

Dissecting tray

What lab tool is used to mix chemicals?

Stirring rod

What is used to pick up test tubes that have been heated?

Test tube tongs

What lab equipment scoops small amounts of solids?

Scoopula

What tool is used to pour liquids into a container with a small mouth?

Funnel

What tool is used to clean test tubes?

Test tube brush

What lab material is used to separate solids from liquids?

Filter paper

What is a small, flat piece of white ceramic or plastic with several little dipped spots or wells used to compare small amounts of liquids?

Spot plate

What equipment is used to separate liquids from dissolved solids using heat?

Evaporating dish