Laboratory Activities Safety, write-ups

Safety Rules Wear GOGGLES at ALL times Wear closed shoes, avoid bulky clothing or dangling jewelry Perform the only the assigned experiments DO NOT WORK WITHOUT TEACHER PRESENT

Make sure you know where the safety equipment is (eyewash station, fire blanket, etc.) Make sure you know where the safety equipment is (eyewash station, fire blanket, etc.) NO eating in the lab, DO NOT taste any chemicals NO eating in the lab, DO NOT taste any chemicals Keep your hands away from your face when working with chemicals Keep your hands away from your face when working with chemicals

Safety Rules Wash hands with soap after each lab Wash hands with soap after each lab Read all instructions carefully before doing the lab (then read them again, just to be sure) Read all instructions carefully before doing the lab (then read them again, just to be sure) Notify teacher if any chemicals are spilled Notify teacher if any chemicals are spilled Report ALL accidents to the teacher – no matter how small Report ALL accidents to the teacher – no matter how small

Safety Rules Pin or tie back long hair and roll up sleeves when working with open flames Pin or tie back long hair and roll up sleeves when working with open flames DO NOT leave a lighted burner unattended DO NOT leave a lighted burner unattended DO NOT use a burner with flammable liquids – use a hotplate DO NOT use a burner with flammable liquids – use a hotplate READ the labels on chemical bottles before use, make sure you are using the correct chemical for the procedure READ the labels on chemical bottles before use, make sure you are using the correct chemical for the procedure

Safety Rules DO NOT use chipped or broken glassware – bring it to the teacher DO NOT use chipped or broken glassware – bring it to the teacher When diluting an acid ALWAYS add the acid to the water with stirring – NEVER ADD WATER TO A CONC. ACID When diluting an acid ALWAYS add the acid to the water with stirring – NEVER ADD WATER TO A CONC. ACID When heating a test tube, always face the mouth of the tube away from yourself and others When heating a test tube, always face the mouth of the tube away from yourself and others Heat test tubes GENTLY Heat test tubes GENTLY

Safety Rules Clean up spills and broken glass immediately Clean up spills and broken glass immediately Leave your station clean at the end of the laboratory period Leave your station clean at the end of the laboratory period ANYONE BREAKING THE SAFETY RULES WILL BE ASSIGNED ECO IMMEDIATELY ANYONE BREAKING THE SAFETY RULES WILL BE ASSIGNED ECO IMMEDIATELY

Laboratory Hazards There are five main categories of laboratory hazard – can you name them? There are five main categories of laboratory hazard – can you name them? Thermal Burns Thermal Burns Chemical Burns Chemical Burns Glass cuts Glass cuts Fire Fire Poisoning Poisoning

Thermal Burns Prevention: Prevention: Be aware that some items may be hot (hotplates, burners), even if they are offBe aware that some items may be hot (hotplates, burners), even if they are off Hold your hand near the item to feel if it is hot before you touch itHold your hand near the item to feel if it is hot before you touch it Treatment Treatment Run cold water over the burn areaRun cold water over the burn area Call for the teacherCall for the teacher

Chemical Burns Corrosive Corrosive Irritant Irritant Prevention Prevention ALWAYS wear gogglesALWAYS wear goggles Wear gloves if required especially if using corrosive or irritant chemicalsWear gloves if required especially if using corrosive or irritant chemicals Treatment Treatment Eyes: Remove contact lenses IMMEDIATELY and flush with water for 20 minutesEyes: Remove contact lenses IMMEDIATELY and flush with water for 20 minutes Skin : Wash skin with running water for 20 minutesSkin : Wash skin with running water for 20 minutes C I

Glass cuts Prevention Prevention Use care when using glass or rubber stoppers, NEVER force a stopper into or out of a glass vesselUse care when using glass or rubber stoppers, NEVER force a stopper into or out of a glass vessel Never use chipped or broken glasswareNever use chipped or broken glassware Treatment Treatment Allow minor cuts to bleed for a short while, run water over cut, NOTIFY TEACHERAllow minor cuts to bleed for a short while, run water over cut, NOTIFY TEACHER For major cuts, medical assistance will be required, NOTIFY TEACHERFor major cuts, medical assistance will be required, NOTIFY TEACHER

Poisoning Prevention Prevention Treat ALL chemicals as toxicTreat ALL chemicals as toxic No eating/chewing in the labNo eating/chewing in the lab Clean up all spillsClean up all spills DO NOT touch chemicals directlyDO NOT touch chemicals directly Keep you hands away from your faceKeep you hands away from your face DO not sniff vapors/gases resulting from chemical reactionsDO not sniff vapors/gases resulting from chemical reactions Treatment Treatment Note what substance was responsibleNote what substance was responsible Notify teacherNotify teacher

Symbols FLAMMABLE TOXIC/POISON PYROPHORIC RADIOACTIVE OXIDIZING AGENT IRRITANT CORROSIVE CARCINOGEN BIOHAZARD

Lab Write-up All lab write-ups MUST be in a hard backed note book (composition notebook) with a few pages blank at the beginning for the index All lab write-ups MUST be in a hard backed note book (composition notebook) with a few pages blank at the beginning for the index All procedures must be HAND WRITTEN – word processed, typewritten or ‘bits of paper I have found with all the stuff on it and just thought I’d stick it in’ will not be graded All procedures must be HAND WRITTEN – word processed, typewritten or ‘bits of paper I have found with all the stuff on it and just thought I’d stick it in’ will not be graded Graphs must be hand drawn, unless told otherwise Graphs must be hand drawn, unless told otherwise