science/lab safety atwater high school agriculture department
TRANSCRIPT
Question of the DayQuestion of the DayHow many FFA activates are
required per quarter?
Students will be able to identify and explain critical lab safety symbols.
ObjectiveObjective
Ouch!
DUKE
Ray
Joe
1. List 3 unsafe activities shown in the illustration and explain why each is unsafe.
2. What should Bob do after the accident?
3. What should have Sue have done to avoid an accident?
4. What are three things shown in the lab that should not be there?
5. Between Luke and Duke who is following the rules?
Lab and Field SafetyLab and Field SafetyTake two minutes to read over the
top two paragraphs on the first page of the safety packet.
Accidents can be avoided◦Major causes of lab accidents are: Carelessness Lack of attention Inappropriate behavior
Safety GuidelinesSafety GuidelinesGeneral
◦Always get your teacher’s permission before attempting any laboratory or field investigation.
◦Read procedures carefully!!◦If an accident does occur, inform
your teacher immediately.
Safety EquipmentSafety EquipmentKnow the location of the nearest fire
alarm and other safety equipment.
Neatness• Keep work area free of all unnecessary books
and papers.
• Tie back long hair and secure loose sleeves or other loose articles of clothing.
• Never eat, drink or apply cosmetics in a lab setting.
CleanupCleanupClean up your work areaPut away all equipment and
suppliesDispose of all chemicals as
directed by your teacher.Make sure water, gas, burners, and
electric hot plates are turned off.Wash your hands with soap and
water after working in a laboratory situation.
General ConductGeneral ConductDon’t touch face, mouth or eyes
when working with plants, rocks, soil or chemicals.
Don’t look directly into the sunDo wear safety goggles to
protect eyes and face from danger.
ChemicalsChemicals
Wear safety gogglesLabel bottles and test tubes accuratelyImmediately flush chemical-exposed
eyes, skin, or clothing with large amounts of water.
Never ◦ taste or inhale chemicals◦ Transfer chemicals with a mouth pipet◦ Pour water into acid◦ Stir chemicals with fingers
ElectricityElectricityKeep work area dryBe sure all electrical equipment
is groundedNever touch electrical equipment
with wet handsNever overload circuits
GasGasDo not inhale fumes directlyDo not breathe pure gases such
as:◦Hydrogen◦Argon◦Helium◦Nitrogen◦High concentrations of carbon
dioxide
GlasswareGlassware
Wrap glass tubing in a towel when inserting or removing it from a rubber stopper.
Sweep up broken glassware immediately and dispose properly.
Pipettes and glass stirring rods should be dried by toweling.
FireFireWear safety gogglesTie back long hair Turn off all hot plates, burners and
other flames when not in use.Not to use an open flames around
volatile liquids, such as ether and alcohol.
Do not reach across an open flame.Always heat rocks in a water bath,
never over a flame.
Jig-Saw GroupsJig-Saw GroupsEach Group will get 5 – 6 rules.Please read the rules and create
a small poster that simplifies those rules.
EXAMPLE EXAMPLE Rules 1 - 4Rules 1 - 4Dress Code:Always wear safety glasses and
an apron when working with chemicals
Tie back long hairDon’t wear loose clothing or
open-toed shoes
Tables & Rule NumbersTables & Rule NumbersTable 1: 5 – 10 Table 8:
43-49Table 2: 11 – 14 Table 9: 50-52Table 3: 15-18Table 4: 19-26Table 5: 27-33Table 6: 34-39Table 7: 40-42