How to act
According to the lab safety contract, what should you do if you don't understand a direction or part of a procedure?
Ask the teacher before proceeding
When diluting acid, what is the correct procedure?
Always add acid to water
False
Is it okay to leave a heating device unattended, even briefly?
No, never leave it unattended
Can all chemicals go down the drain?
NO!
When first entering the laboratory, what should you do before being instructed?
Not touch any equipment, chemicals, or materials
What should you do with unused chemicals left over after an experiment?
Never return them to their original container
What must be done with long hair before starting lab work?
Tie it back
What is required before touching an electrical switch, plug, or outlet?
Your hands must be completely dry
What should be used to pick up hot glassware?
Tongs
Why does the contract warn that acids and other hazardous materials may look like water?
So students don't assume a clear liquid is safe to touch or drink
Should you ever taste or smell a chemical in the lab?
No, unless specifically instructed to do so
Which type of footwear is NOT allowed in the lab?
Sandals or crocs
When unplugging electrical equipment, what part should you grasp?
The plug, not the cord
Is it OK to look into a container while it is being heated?
NO!
Is eating or drinking allowed during lab activities?
No, never
What should you do if a chemical splashes in your eyes or on your skin?
Flush with water and inform the instructor immediately
Can eyeglasses or contact lenses be used instead of lab goggles?
No, they are not substitutes for goggles
How should broken glass be cleaned up?
Use a brush and dustpan; never handle it with bare hands
Is it OK to put hot glassware under cold running water?
No, it will shatter
Where should bags, jackets, and other personal items be kept before lab begins?
Along the back wall, away from the work area
What should you do if you notice an unsafe condition in the lab?
Notify the teacher immediately
According to the Clothing section, when must lab goggles be worn?
Any time chemicals, heat, or glassware are used
What should you check before using a piece of glassware?
That it isn't chipped, cracked, or dirty
Before using a chemical, what is the first thing you should do?
check the label