Science/Lab Safety Atwater High School Agriculture Department.

Science/Lab SafetyScience/Lab SafetyAtwater High SchoolAgriculture Department

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

You have 15 minutes.

You’re being timed

GO!

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

ReviewReview

Glassware

Clothing

Caustic

Electrical

Chemical

Fire

Eye

Explosion

Gas

Hand

Heating Safety

Proper Waste

water