Objectives: 1. To know and understand the different laboratory safety rules 2. Develop a sense of responsibility to oneself and others. Safe Laboratory Practices: 1. The science laboratory is used for serious work only. No horseplay is allowed inside the laboratory. 2. Do not perform unauthorized experiments. Always ask for your teacher’s permission before doing any experiments. 3. Study your laboratory activity carefully. If you are in doubt about a procedure, ask your teacher. 4. Follow directions precisely and completely. The directions have been carefully designed to avoid accidents. Your instructor will point out hazards before the experiment begin so it is strongly advised to listen attentively. 5. Students must wear proper clothing in the laboratory. Sandals and shorts should not be worn inside the laboratory. Long hair should be tied up. 6. Smoking and eating inside the laboratory is not allowed to avoid incidents. 7. Chemical wastes should be disposed properly. Some chemicals cannot be disposed on the sing but on appropriate containers. Make sure you read the labels on waste containers before disposing. 8. Dispose of broken glass in the boxes provided in the laboratory. Do not place the broken glass into the trash can. Use dustpan and broom in cleaning up broken glass. Do not use hands to pick up the glass. 9. Know the location and the use of the first aid kit, fire extinguisher, emergency shower, and the eye wash in case of emergencies. 10. Never inhale chemicals. When attempting to detect chemical odors, sniff gently. 11. Do not throw paper or other solid material into the sink. 12. Always wash your hands before leaving the laboratory. You may have been exposed or may have touched some chemicals that are hazardous to your health. Wash hands with soap and water. 13. In the event of a lab accident, notify your teacher immediately and do not panic. 14. Always remember that safety comes first and clean as you go. Activity: 1. List at least five additional laboratory safety rules that were not mentioned in the “Safe Laboratory Practices.” 2. List the steps on how to properly use a fire extinguisher. 3. In case of accidents, what are the first aid treatment for the following: a. Cuts b. Burns c. Ingestion of toxic substance d. Inhalation of toxic substance e. Skin contact of toxic chemicals f. Infection g. Injury from explosion h. Choking 5. Why is it important to wash your hands regularly or before leaving the laboratory? Conclusion:
Objectives:
1. To know and understand the different laboratory safety rules
2. Develop a sense of responsibility to oneself and others.
Safe Laboratory Practices:
1. The science laboratory is used for serious work only. No horseplay is allowed inside the laboratory.
2. Do not perform unauthorized experiments. Always ask for your teacher’s permission before doing any experiments.
3. Study your laboratory activity carefully. If you are in doubt about a procedure, ask your teacher.
4. Follow directions precisely and completely. The directions have been carefully designed to avoid accidents. Your instructor will point out hazards before the experiment begin so it is strongly advised to listen attentively.
5. Students must wear proper clothing in the laboratory. Sandals and shorts should not be worn inside the laboratory. Long hair should be tied up.
6. Smoking and eating inside the laboratory is not allowed to avoid incidents.
7. Chemical wastes should be disposed properly. Some chemicals cannot be disposed on the sing but on appropriate containers. Make sure you read the labels on waste containers before disposing.
8. Dispose of broken glass in the boxes provided in the laboratory. Do not place the broken glass into the trash can. Use dustpan and broom in cleaning up broken glass. Do not use hands to pick up the glass.
9. Know the location and the use of the first aid kit, fire extinguisher, emergency shower, and the eye wash in case of emergencies.
10. Never inhale chemicals. When attempting to detect chemical odors, sniff gently.
11. Do not throw paper or other solid material into the sink.
12. Always wash your hands before leaving the laboratory. You may have been exposed or may have touched some chemicals that are hazardous to your health. Wash hands with soap and water.
13. In the event of a lab accident, notify your teacher immediately and do not panic.
14. Always remember that safety comes first and clean as you go.
Activity:
1. List at least five additional laboratory safety rules that were not mentioned in the “Safe Laboratory Practices.”
2. List the steps on how to properly use a fire extinguisher.
3. In case of accidents, what are the first aid treatment for the following:
a. Cuts
b. Burns
c. Ingestion of toxic substance
d. Inhalation of toxic substance
e. Skin contact of toxic chemicals
f. Infection
g. Injury from explosion
h. Choking
5. Why is it important to wash your hands regularly or before leaving the laboratory?
Conclusion:
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