Science Safety

Why Do We Start With Safety?  The Right to Know Act

Fire Safety Three things needed to sustain a fire 1.Oxygen 2.Fuel 3.Heat

Four Classes of Fire Class A = common combustibles (paper, clothing, wood) How to Battle: Smother it Douse with water Use fire extinguisher

Class B Fires Flammable Liquids (grease, oil, acetone) How to Battle: Never use water! Instead….smother it with:  Sand  Pan lid  Fire extinguisher

Class C Fires Electrical Fires How to Battle:  Never use water!  Cut off power source  Treat as A or B fire

Class D Fires Flammable Metals (sodium, potassium) How to Battle:  Never use water!  Smother with sand  Use Class D fire extinguisher

Battling Fires Small, contained fire:  Smother it: place a lid, lab apron or even a book over the beaker or tube.  Alert your teacher

Battling Fires Large, uncontained fire:  Make sure all gas is off  Exit the building  Pull fire alarm on the way out

Battling Fires Clothing Fire  Wrap yourself/lab partner in fire blanket  Alert your teacher  Evacuate the building

MSDS  Material Safety Data Sheets Chemical name Health hazards Precautions for use First aid Disposal

Lab Rules  Follow directions and stay focused  Use lab equipment only with permission  Wear proper safety protection  No eating or drinking in the lab  Report all accidents to the teacher immediately