Your life depends on it!!

Essential Questions How do you stay safe in a lab? Why is safety important?

 General Precautions:  Follow teacher’s/lab instructions  Never perform activities without approval and supervision of your teacher  No horseplay  Never eat or drink in the laboratory  Keep work areas clean and uncluttered Lab Safety

He decided to play with dry ice and didn’t listen to the teacher: you can see the where the cap of the bottle went.

 Dress Code  Wear safety goggles at all times  Wear lab apron when working with corrosive chemicals  Wear gloves when working with organisms or harmful chemicals  Tie back long hair  Let instructor know if you wear contacts.  Wear close-toed shoes  Remove or tie back clothing or jewelry that hangs down, roll up sleeves long sleeves Lab Safety

Acid Damage

Flying Glass

Acid burn

Lab Safety  First Aid:  Report all accidents, injuries or fires immediately to teacher.  Know location of first aid kit, fire extinguisher and eye wash station  If acid splashed on skin, wash with lots of water

 Heating and Fire Safety  Keep combustible materials away from flames  Point test tubes away from everyone when heating  Never heat a liquid in a closed container  Use an oven mitt to pick up a heated container  Do not leave a lit burner unattended Lab Safety

 Chemical Safety  Never put you face near mouth of chemical container  Never touch, taste or smell chemical unless approved by teacher.  Use only chemicals needed in activity  Keep all containers closed when chemicals not used  Dispose of chemicals as instructed by teacher. Never return unused chemicals to stock container  Never pour water into an acid Lab Safety

 Glassware Safety  If glassware is broken or chipped, tell teacher immediately  Never handle broken or chipped glass with bare hands  Never force glass tubing or thermometers into a rubber stopper or rubber tubing Lab Safety

 End-of-Experiment Rules  Unplug all electrical equipment  Clean up your work area  Dispose of waste materials as instructed by teacher.  Wash your hands after every experiment Lab Safety

Safety Symbols

Open flame Open flame may ignite flammable chemicals, loose clothing, or hair

Animal Safety This symbol appears when safety of animals and students must be ensured.

Clothing protection This symbol appears when substances could stain or burn clothing.

Eye safety Proper eye protection should be worn at all times by anyone performing or observing science activities

Toxic Substance may be poisonous if touched, inhaled, or swallowed

Chemical Chemicals that can react with and destroy tissue and other material

Irritant Substance that can irritate the skin or mucous membranes of the respiratory tract

Electrical Possible danger from electrical shock or burn

Fume Possible danger to respiratory tract from fumes

Sharp object Use of tool or glassware that can easily puncture or slice skin

Extreme Temperature Objects that can burn skin by being too hot or too cold

Biological Organisms or other biological materials that might be harmful to humans

Radioactivity This symbol appears when radioactive materials are used.

Disposal Special disposal procedures need to be followed

Lab Safety It’s everybody’s responsibility!