LAB SAFETY https://www.youtube.com/watch?v=cr7roogzM8c
SAFETY IN THE SCIENCE LABORATORY Miss Syiem Chemistry
A short story https://www.youtube.com/watch?v=cr7roogzM8c Ultimate Lab Safety A short story https://www.youtube.com/watch?v=cr7roogzM8c https://www.youtube.com/watch?v=cr7roogzM8c
General Guidelines Conduct yourself in a responsible manner;
Read instructions before starting experiments Follow all instructions carefully
Goggles must be worn AT ALL TIMES when directed NO YES
Perform only those experiments authorized by the instructor
Dress properly during a lab Tie long hair back No dangling jewelry No loose, baggy clothing
No sandals (shoes should completely cover top of foot) Wear lab aprons No sandals (shoes should completely cover top of foot)
Never handle broken glass with your bare hands Use a dust pan and brush Place broken glass in glass disposal container
Absolutely no horseplay in the lab!
What should you do before starting an experiment? READ instructions
When should you wear goggles? At ALL times during an experiment
Equipment
Keep work areas clean and tidy; Keep aisles clear
Know the locations and operating procedures of all safety equipment Safety Shower
Eyewash station
Fire blanket
Fire extinguisher
Dispose of all chemical waste properly, according to instructions; Clean equipment and work area after use; Return all materials to proper location
Never use chipped, cracked or dirty glassware; Never leave a lit burner unattended; When heating a substance in a test tube, never point the mouth of the test tube at yourself or others;
Never look down into a container that is being heated; Be careful – hot glass doesn’t look hot!
Where should you store your books and backpacks? In the cubbies next to your chairs
What type of shoes are appropriate during a lab? Close-toed ONLY
Name 2 pieces of safety equipment in the classroom Emergency eyewash Emergency shower Fire blanket Fire extinguisher
CHEMICALS
Do not eat food,drink beverages or chew gum in the lab
Keep hands away from face, eyes and mouth while using chemicals Wash hands thoroughly before leaving lab
If a chemical splashes on your skin, immediately flush with running water and notify instructor
If you spill an acid, use a weak base to neutralize it If you spill a base, use a weak acid to neutralize it All flammable materials need to be stored in a metal container with a lid
When checking a chemical for odors, gently waft vapors towards nose YES
Double check labels on chemical bottles Never return unused chemicals to their original containers (stock bottles);
When finished with a lab, discard solids into the trash can and liquids in the sink or as directed
Report any accident or injury to the instructor immediately
Should you taste lab substances? NO Only when instructed
What should you do with extra lab substances? Discard them in the proper receptacles
ALWAYS CLEAN UP AFTER YOURSELF!!!!!
Let’s Review… If you answer the question correctly, you are excused from the homework Who will be the lucky people today?
When should you wear safety goggles? AT ALL TIMES when you are doing a lab From when you collect materials until you finish the lab
What is the proper way to smell substances during a lab? Fan the vapor toward yourself Do NOT put your face over the container
What can you use if there is a fire? Where is it located? Fire blanket or fire extinguisher Fire blanket – at the back of the room Fire extinguisher – near the entry door
Can you taste or smell lab materials? Only when directed to do so
Where should you discard solid lab materials? Liquids? Solids – into waste buckets or as directed by teacher; NEVER in sinks Liquids – emptied into sinks or special wate containers
THE END
Safety Contract Lab safety contract due FRIDAY You will NOT do any labs until it is signed and received
Lab Safety Posters With your shoulder partner, create a poster about lab safety rules Rewrite the rule in your OWN words Decorate with pictures and color Tbl 1: #1-3 Tbl 4: #10-12 Tbl 7: #3-5 Tbl 2: #4-6 Tbl 5: #13-15 Tbl 8: #6-8 Tbl 3: #7-9 Tbl 6: #1-3
Lab Safety Review! You will have 30 seconds to answer the question Write the answer on the whiteboard then keep it face down until time is up ALL whiteboards MUST be up IMMEDIATELY for you to get points for the question You may use notes/safety rules
Where should you store your books and backpacks? In the cubbies next to your chairs
If someone’s clothes catch on fire, what piece of safety equipment should you use? The fire blanket
What type of shoes are appropriate during a lab? Close-toed ONLY
When diluting an acid, should you pour acid into the water or water into the acid?
If a piece of equipment is not working right, what should you do? Tell the teacher
Name 2 pieces of safety equipment in the classroom Emergency eyewash Emergency shower Fire blanket Fire extinguisher
If you spill a BASE, what should you use to neutralize it? A weak acid (such as vinegar)
Where should towels with flammable liquids be stored? A metal or ceramic container with a lid
What should you do with loose clothes or jewelry during a lab? Remove jewelry Wear clothes that are not baggy
When should you wear safety goggles? When using glassware, heat or chemicals AT ALL TIMES when you are doing a lab From when you collect materials until you finish the lab
What is the proper way to smell substances during a lab? Fan the vapor toward yourself Do NOT put your face over the container
What can you use if there is a fire? Where is it located? Fire blanket or fire extinguisher Fire blanket – at the back of the room Fire extinguisher – near the entry door
Can you taste or smell lab materials? Only when directed to do so
Where should you discard solid lab materials? Liquids? Solids – into waste buckets or as directed by teacher; NEVER in sinks Liquids – emptied into sinks or special wate containers
Lab Safety Test Do NOT write on the test Use answer sheet When finished, do word search on the back
Grading Lab Safety Test Use a crayon from the box Put an X or slash if incorrect Write “Corrected by” and the bottom/side Write the number correct at the top Anybody miss more than 10? See me right now!