This will happen if you put hot glass in cold water.
What is shatter?
Do this if you do not understand a direction or part of a procedure.
What is ask the teacher?
What should you not use to fill a pipet?
What is your mouth?
What is toward yourself or any other person?
If you see this, you shouldn't use the electrical equipment.
What is a frayed cord, exposed wire, or loose connection? (accept any)
This is the visual difference between hot and cold glass.
What is there is no difference?
When chemicals, heat, or glassware is being used, you MUST wear what?
What are goggles?
What is the plug?
How long should you wash your eyes or skin if a chemical has splashed on you?
What is 20 min?
If a piece of glassware has these signs, you should not use it.
What is chipped, cracked, or dirty?