lab rules
What is one thing that should never be done in the lab?
Eating
Horseplay
Not listening to instructions
*Other acceptable answers*
Name two pieces of glassware used to hold or mix liquids.
Beakers and Erlenmeyer flasks
Why should you never pour leftover chemicals back into their original containers?
It can contaminate the entire supply
Report all accidents and spills to whom?
Teacher immediately
3 reasons not to eat or drink in the lab?
accidental ingestion of chemicals
-causes a distraction
-could cause equipment damage (eg spills and crumbs)
-allergy risk
Which lab tool measures liquid volume most accurately
Graduated cylinder
Name two items of Personal Protective Equipment (PPE) used in a science lab.
Goggles, lab coats/aprons, or gloves
What should you do if chemicals get in your eye?
Wash them at least 15 minutes with laboratory wash
Dispose of materials properly, what does that mean?
Ask the teacher how to dispose of each item
What piece of safety equipment protects your eyes from chemical splashes?
Safety Goggles
What should you do with long hair and loose clothing before starting an experiment?
Tie back long hair and secure/roll up loose clothing
True or False most lab accidents are avoidable
True
Research shows that roughly 70% to 90% of laboratory accidents are caused by preventable human factors, such as improper PPE usage, failure to follow protocols, or rushed execution.
What should you always do before leaving the laboratory after completing an experiment?
Clean your work station, turn off all gas/power sources, and wash your hands thoroughly with soap and water.
What tool is used to pick up hot objects like beakers or test tubes?
Tongs or test tube holders
How can you safely smell a chemical in the lab?
Waft the air above the container toward your nose with your hand)
What should you do if chemicals spill on the lab bench or floor?
Tell the teacher immediately so they can clean it up safely based on the chemical
Where do water bottles go during lab?
Away from our tables
Why is it important to return equipment to its proper, designated spot instead of leaving it at your lab table?
To prevent clutter, avoid damage/breakage, and ensure the next class can find items easily and safely
What should you do if you notice a cracked beaker, and why?
Do not use the beaker and notify the teacher. Cracked glass is likely to become damaged further, and could release chemicals
______ comes before speed.
Safety!!