1. Safety in the Science Lab
  Lab Safety: Everyone is Responsible!
Safety in the Science Lab
Rules and Symbols
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Lab Safety: Chapter 1-5

2. Safety First Lab Safety: Everyone is Responsible!
Scientists know that when working in the laboratory, it is very important to follow safety procedures. The most important safety rule is to always follow your teacher’s directions or the directions in your textbook exactly.
Make sure you have read each rule and direction carefully, making sure you understand each rule. If you do not understand a rule, ask your teacher to explain it.
Lab Safety: Everyone is Responsible!
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Lab Safety: Chapter 1-5

3. Rules and Symbols Lab Safety: Everyone is Responsible
Rules and Symbols Lab Safety: Everyone is Responsible! Look at your hand-out!
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Lab Safety: Chapter 1-5

4. What’s wrong with this picture?
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5. What’s Wrong With This Picture?
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6. What’s Wrong With This Picture?
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7. What’s Wrong With This Picture?
thermometer
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8. What’s Wrong With This Picture?
Reading the meniscus
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Lab Safety: Chapter 1-5

9. What’s Wrong With These Statements?
Peter says that his teacher is solely responsible for preventing laboratory accidents.
Keshia started the lab activity before reading it through completely
Ricardo decided to do a lab activity that he read in a library book before the teacher came into the classroom
Stephanie says that the lab aprons are unattractive and that the safety goggles mess up her hair. She refuses to wear them.
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Lab Safety: Chapter 1-5

10. Safety Devices Fire blanket Fire extinguisher First Aid Kit Fire Alarm
Eye Wash
Lab Safety: Everyone is Responsible!
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Lab Safety: Chapter 1-5

11. Only the science teacher is authorized to use the fire extinguisher.
The fire extinguisher is located on the back sink.
Only the science teacher is authorized to use the fire extinguisher.
A. Combustible: wood, clothes, paper, plastic, and rubber.
B. Flammable liquids: oil, grease and paint thinner.
C. Energized electrical equipment.
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12. P-A-S-S.
The average fire extinguisher only operates about 10 seconds. Don't waste it!
You must get close to the fire - as close as 5 or 6 feet!
To effectively operate an extinguisher, think P-A-S-S.
P -- pull the pin A -- aim the hose at the base of the
fire S -- squeeze the handle S -- sweep the hose back and forth
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13. Exiting from Room B-22
Quietly Get up and Remember to Push Your Chair Under the Table.
Move Towards the Classroom Door in an Orderly Fashion.
Exit Going Towards Your Right.
Continue Moving Down the Hall, Until You Get to the Double Door Exist.
Turn right towards the south field
When you reach the field find number 22 on the fence and make a line in front of it.
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14. NO HORSEPLAYING IS ALLOWED.
Safety Contract
Always obtain your teacher’s permission to begin a lab.
Study the Procedure.
Use safety equipment provided for you.
Never eat or drink in the lab.
Never inhale chemicals
Do not taste any substance or draw any material to your mouth.
Know the location and use of fire extinguisher, eye wash, fire blanket, first aid kit, and fire alarm
Keep all material away from open flames. (hair, loose clothing)
If fire should break out in lab or on clothing smother it. DO NOT RUN.
Report any accident or injury to teacher.
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15. Clean Up! Turn off water. Disconnect electrical devices.
Return materials to their places
Dispose of chemicals and other materials as directed by the teacher. Never discard materials in the sink.
Clean your work area
Wash your hands thoroughly after working in the laboratory.
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16. Safety Contract Sign and date the contract. Keep it in your journal.
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17. Be Safe! Lab Safety: Everyone is Responsible! 5/5/2019
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18. Laboratory Equipment Petri dish Beaker Flasks Test tube Funnel
Graduated cylinder
Test tube rack
Test-tube holder
Microscope
Microscope slide
Balance
Goggles
Scalpel
Forceps
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19. Pipette Thermometer Dropper Striker Hot plate Mortar and Pestle
Bunsen burner
Metal ring
Wire gauze
Watch glass
Ring stand
Rubber stopper
Dissecting probe
Test tube brush
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20. QUIZ TOMORROW!
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21. QUIZ True or False 1. If I burn myself I should add cold water
2. I should always smell everything during a lab
3. A glass slide is used to view things under the microscope
4. The safety symbol for irritant shows a gloved hand and one for corrosives is a spilled bottle
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22. 5. I don’t need to wear safety goggles if I wear glasses
6. Late homework is marked 10% off for everyday that it is late
7. I should always bring my journal and planner to class
Name the equipment:
8. _____________________
9. _____________________
10. _____________________
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