Lab Safety Rules
Before starting a lab, you must tie long hair back and wear this specific type of footwear.
What are close-toed shoes?
A pirate-like skull and crossbones symbol indicates that a substance is highly this, and should never be tasted.
What is poisonous (or toxic)?
Resembling a cup with a pour lip, only the heat-resistant glass versions of this tool can be used to heat liquids.
What is a beaker?
To avoid cross-contamination, you must only use one of these per liquid, and never let the liquid reach the bulb.
What is a pipette?
A lightning bolt symbol means you must keep your station totally dry to avoid this specific hazard.
What is dangerous electrical shock?
If instructed to smell a substance, you must use this hand motion instead of smelling it directly.
What is to "waft"?
Chemicals marked with a bright fire flame symbol should never be heated directly over this specific lab device that uses gas.
What is a Bunsen burner?
This tool is used to measure the volume of liquids or irregular objects, but you must DO NOT use it for stirring.
What is a graduated cylinder?
This specific type of flask is used for boiling and distilling liquids. Not used to measure with.
What is a Florence Flask?
When using sharp instruments like scalpels or pins, you must always cut in this direction.
What is away from your body?
Unless explicitly told to do so, you must never pour anything down this.
What is the sink?
When dealing with corrosives, your full "armor" requires a lab apron, gloves, and this crucial piece of eye protection.
What are safety goggles?
When carrying a compound microscope, you must safely hold it by these two specific parts.
When mixing liquids in a test tube or an Erlenmeyer flask, you should use this specific motion instead of stirring.
What is the "swirl" method?
If you have an accident or emergency during an experiment, this is the very first person you must report it to.
Who is the teacher?
f safety rules are violated and safety is a concern, the lab will be canceled and you will be provided with this instead.
What is an alternative assignment or unable to participatete in next lab?
If you drop a beaker, you should freeze where you are and do this.
What is inform your teacher and never pick up with your bare hands?
If your microscope's eyepiece is 10x and the objective lens is 10x, this is your total magnification.
What is 100x?
When taking the mass of an object using this specific device, you must add up three distinct weights.
What is a triple beam balance?
While goggles and gloves are great, "The Ultimate Rule" slide states that this is actually the most important safety tool in the room.
What is your brain?
According to the rules, you must never do these two related activities involving food or beverages while in the lab.
What are eat or drink?
Lab safety symbols are considered this because they mean the exact same thing no matter what language you speak or what country you are in.
What is universal?
When viewing a slide on a compound microscope, you must ALWAYS start on this specific objective setting
What is the low objective (or low power)?
What piece of lab equipment uses electricity instead of gas to heat up substances?
What is a hot plate?
To safely unplug electrical devices, you must firmly pull the plug and never yank on this part.
What is the cord or have wet hands?