Science/Lab Safety Agriculture Department

Created by: Atwater HS

D U K E

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 Safety � Take 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 Guidelines

� General ◦ 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 Equipment � Know 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.

Cleanup � Clean up your work area � Put away all equipment and supplies � Dispose 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 Conduct

� Don’t touch face, mouth or eyes when working with plants, rocks, soil or chemicals.

� Don’t look directly into the sun � Do wear safety goggles to protect eyes

and face from danger.

Chemicals

�  Wear safety goggles �  Label bottles and test tubes accurately �  Immediately 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

Electricity

� Keep work area dry � Be sure all electrical equipment is

grounded � Never touch electrical equipment with

wet hands � Never overload circuits

Gas

� Do not inhale fumes directly � Do not breathe pure gases such as: ◦ Hydrogen ◦ Argon ◦ Helium ◦ Nitrogen ◦ High concentrations of carbon dioxide

Glassware

� 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.

Fire �  Wear safety goggles �  Tie 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.

Review

Glassware

Clothing

Caustic

Electrical

Chemical

Fire

Eye

Explosion

Gas

Hand

Heating Safety

Proper Waste

water