LE Lab Safety Homework
Laboratory Safety
Safety in the laboratory important to both student and teacher. At the beginning of most laboratories, the teacher will engage in a pre-lab discussion. Many safety procedures will be discussed during these discussions. It is important to listen attentively and follow the safety procedures given by the teacher.
Some General Lab Safety Rules
1. Keep all flammable materials away from open flames or
dangerous chemicals.
2. Tie back long hair when you are working with an open flame.
Pipe cleaners, rubber bands, and string are useful for this purpose.
3. Do NOT mix chemicals or perform unscheduled
experiments without your teacher's approval
4. Never use chemicals from an unlabeled container. Do not
taste, smell, or touch chemicals unless specifically instructed
by your teacher to do so.
5. Wear safety goggles during experiments involving
dissection, heating, hammering or while using acids/bases or
other chemicals. If you do not have goggles on, stay away
from students that are experimenting.
6. Point the open end of a test tube or flask away from yourself
and others while heating it. Never heat a closed container.
7. Use liquid squeeze bottles only for their intended purpose.
8. Keep the lab clean and discard materials in containers designated
for this.
9. Be careful picking up hot materials, especially glassware. Hot
glass and cold glass appear the same.
10. Do not force glass tubing into a stopper. Use glycerine or
water to lubricate the glass before doing this.
11. Do not eat in the lab or place pencils, pens, or other materials
in your mouth.
12. Never return excess chemicals back to their container.
13. Know where all laboratory safety equipment is located in the
lab and how to use it..
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