CVUSD Lab Safety Guidelines
Any spill on the floor can cause an accident. Always clean it up...
At once.
If you break a piece of glassware or other equipment, tell the teacher....
At once.
If you see something in the classroom or laboratory that is dangerous, tell the teacher...
At once.
If you see a fire in an apparatus assembly or a burning liquid, such as alcohol, it is best to put it out with...
the ABC fire extinguisher.
You should prepare for each laboratory activity by reading all instructions...
Before you start to work.
Cabinet drawers and doors that are left open cause a hazard and should be...
Closed by you.
Whenever you are in the classroom or laboratory, you should wear
Closed shoes.
Disturbing other students while they are working in the laboratory is...
Dangerous.
Small amounts of spilled bases can be neutralized and made safe with...
Dilute acetic acid solution (vinegar).
Helping to clean up the laboratory or classroom is the job of...
Each student.
If there is a fire on the laboratory, notify the teacher at once; then prepare to...
Evacuate the building or laboratory.
When you work with laboratory chemicals and Bunsen burners, long hair must be...
Kept out of the way by wearing a band, hat, or hairnet.
Chemicals, small parts, glassware, and stirring rods are not to be...
Put in your mouth.
The correct way to move about the clasroom or laboratory is to...
Walk.
If acid gets on your skin or clothes, wash at once with...
Water.
You must wear approved eye protection while working in the laboratory...
Whenever the laboratory instructions tell you to.
Before you touch an electrical plug, switch, or outlet...
Your hands must be dry.
Eyeglasses do not provide as much protection as...
A face shield, safety glasses, and splash-proof goggles.
When measuring small amounts of liquid with a pipette, draw the liquid into the tube by using...
A mechanical pipette filter.
Rags or paper towels with flammable liquids or solids on them must be put in...
A metal or ceramic container with a lid.
After heating glass tubing to bend it, the soonest you may safely handle the tubing is...
After you are sure it's cool.
Playing (as opposed to working) in the laboratory or bothering another person is always...
Against the rules.
Alcohol, acetone, and other volatile materials that can burn easily should never be used near...
An open flame.
To prevent accidents during laboratory activities with chemicals and equipment, you should...
Follow your teacher's direction.
When you work with laboratory chemicals, equipment, or burners, you must wear...
Goggles.
To be able to put out a fire quickly and safely you should know...
How to use a fire extinguisher, where the extinguishers are located, and which extinguisher is used for each class of fire.
When you use laboratory equipment or chemicals, you should give the procedure all of your...
Interest, attention, and effort.
All the floors, aisles, and passageways should be kept clear of...
Laboratory equipment and chemicals.
To insert glass tubing into a rubber stopper, you should (after fire polishing and cooling)...
Lubricate with water or glycerine, use a towel for protection, and twist carefully.
When heating substances in a test tube, be sure the open end of the tube points toward...
No one.
All chemicals should be stored in...
Properly labeled containers.
Laboratory aprons, when provided, are for the...
Protection of you and your clothes.
To remove an electrical plug from its socket, you should...
Pull on the plug itself.
Small quantities of spilled acids can be made safe with...
Sodium bicarbonate solution (baking soda).
If you are hurt (cut, burned, and so on), tell the...
Teacher at once.
If flammable liquids, such as alcohol, are spilled you should first...
Tell the teacher.
If you think there is something wrong with a piece of equipment you are using, stop, turn it off, and...
Tell the teacher.
When preparing dilute solutions of an acid, carefully pour...
The acid into water.
To put out a fire in a person's clothing, use...
The fire blanket.
