Laboratory ActivitiesLaboratory ActivitiesSafety, write-upsSafety, write-ups

Safety RulesSafety Rules Wear Wear GOGGLESGOGGLES at at ALLALL times times Wear closed shoes, avoid bulky Wear closed shoes, avoid bulky

clothing or dangling jewelryclothing or dangling jewelry Perform the only the assigned Perform the only the assigned

experiments experiments DO NOT WORK WITHOUT DO NOT WORK WITHOUT

TEACHER PRESENTTEACHER PRESENT

Safety RulesSafety Rules

Make sure you know where the Make sure you know where the safety equipment is (eyewash safety equipment is (eyewash station, fire blanket, etc.)station, fire blanket, etc.)

NO eating in the lab, NO eating in the lab, DO NOTDO NOT taste taste any chemicalsany chemicals

Keep your hands away from your Keep your hands away from your face when working with chemicalsface when working with chemicals

Safety RulesSafety Rules Wash hands with soap after each Wash hands with soap after each

lablab Read all instructions carefully Read all instructions carefully

before doing the lab (then read before doing the lab (then read them again, just to be sure)them again, just to be sure)

Notify teacher if any chemicals Notify teacher if any chemicals are spilledare spilled

Report ALL accidents to the Report ALL accidents to the teacher – no matter how smallteacher – no matter how small

Safety RulesSafety Rules Pin or tie back long hair and roll up Pin or tie back long hair and roll up

sleeves when working with open sleeves when working with open flamesflames

DO NOT leave a lighted burner DO NOT leave a lighted burner unattendedunattended

DO NOT use a burner with flammable DO NOT use a burner with flammable liquids – use a hotplateliquids – use a hotplate

READ the labels on chemical bottles READ the labels on chemical bottles before use, make sure you are using before use, make sure you are using the correct chemical for the the correct chemical for the procedure procedure

Safety RulesSafety Rules DO NOTDO NOT use chipped or broken use chipped or broken

glassware – bring it to the teacherglassware – bring it to the teacher When diluting an acid When diluting an acid ALWAYS add ALWAYS add

the acid to the waterthe acid to the water with stirring – with stirring – NEVER ADD WATER TO A CONC. ACIDNEVER ADD WATER TO A CONC. ACID

When heating a test tube, always When heating a test tube, always face the mouth of the tube away face the mouth of the tube away from yourself and othersfrom yourself and others

Heat test tubes Heat test tubes GENTLYGENTLY

Safety RulesSafety Rules Clean up spills and broken glass Clean up spills and broken glass

immediatelyimmediately Leave your station clean at the Leave your station clean at the

end of the laboratory periodend of the laboratory period

ANYONE BREAKING THE SAFETY ANYONE BREAKING THE SAFETY RULES WILL BE ASSIGNED ECO RULES WILL BE ASSIGNED ECO IMMEDIATELYIMMEDIATELY

Laboratory HazardsLaboratory Hazards There are five main categories of There are five main categories of

laboratory hazard – can you name them?laboratory hazard – can you name them? Thermal BurnsThermal Burns Chemical BurnsChemical Burns Glass cutsGlass cuts FireFire PoisoningPoisoning

Thermal BurnsThermal Burns Prevention:Prevention:

• Be aware that some items may be hot Be aware that some items may be hot (hotplates, burners), even if they are off(hotplates, burners), even if they are off

• Hold your hand near the item to feel if it is Hold your hand near the item to feel if it is hot before you touch ithot before you touch it

TreatmentTreatment• Run cold water over the burn areaRun cold water over the burn area• Call for the teacherCall for the teacher

Chemical BurnsChemical Burns CorrosiveCorrosive IrritantIrritant PreventionPrevention

• ALWAYS wear gogglesALWAYS wear goggles• Wear gloves if required especially if using Wear gloves if required especially if using

corrosive or irritant chemicalscorrosive or irritant chemicals TreatmentTreatment

• Eyes: Remove contact lenses IMMEDIATELY Eyes: Remove contact lenses IMMEDIATELY and flush with water for 20 minutesand flush with water for 20 minutes

• Skin : Wash skin with running water for 20 Skin : Wash skin with running water for 20 minutesminutes

C

I

Glass cutsGlass cuts

PreventionPrevention• Use care when using glass or rubber Use care when using glass or rubber

stoppers, NEVER force a stopper into or stoppers, NEVER force a stopper into or out of a glass vesselout of a glass vessel

• Never use chipped or broken glasswareNever use chipped or broken glassware TreatmentTreatment

• Allow minor cuts to bleed for a short Allow minor cuts to bleed for a short while, run water over cut, NOTIFY while, run water over cut, NOTIFY TEACHERTEACHER

• For major cuts, medical assistance will For major cuts, medical assistance will be required, NOTIFY TEACHERbe required, NOTIFY TEACHER

PoisoningPoisoning PreventionPrevention

• 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 DO not sniff vapors/gases resulting from

chemical reactionschemical reactions TreatmentTreatment

• Note what substance was responsibleNote what substance was responsible• Notify teacherNotify teacher

SymbolsSymbolsFLAMMABLE

TOXIC/POISON

PYROPHORIC

RADIOACTIVE

OXIDIZING AGENT

IRRITANT

CORROSIVE

CARCINOGEN

BIOHAZARD

Lab Write-upLab Write-up All lab write-ups MUST be in a hard backed All lab write-ups MUST be in a hard backed

note book (composition notebook) with a note book (composition notebook) with a few pages blank at the beginning for the few pages blank at the beginning for the indexindex

All procedures must be HAND WRITTEN – All procedures must be HAND WRITTEN – word processed, typewritten or ‘bits of word processed, typewritten or ‘bits of paper I have found with all the stuff on it paper I have found with all the stuff on it and just thought I’d stick it in’ will not be and just thought I’d stick it in’ will not be graded graded

Graphs must be hand drawn, unless told Graphs must be hand drawn, unless told otherwiseotherwise