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Understand and follow essential safety measures to prevent accidents in the lab. Learn safety protocols for glassware, sharp instruments, fire and heat, animals, electricity, chemicals, eye and face protection, proper attire, and Material Safety Data Sheets (MSDS).
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Safety Procedures • Safety Procedures • Definition • Are set so you and others in the class are not hurt while performing an experiment
Quick and Simple Safety Procedures • Be sure to always read directions before beginning an experiment. • Be sure to wear proper clothing. Nothing that is loose or dangling should be worn. • Long Hair should be tied back. • Know where eye wash, shower, fire exit, and fire blanket are located. • Make sure you know what safety equipment is needed for the experiment (gloves, goggles) • If there is an accident, please tell the teacher ASAP.
Glassware Safety • Never use broken or chipped glassware. If it is broken please inform the teacher or place in the broken glass box. • Only heat glassware that is dry. • Never pick up hot glassware with bare hands. Use tongs. • If the glassware is hot, never run cold water over it. It will bust.
Sharp Instrument Safety • Always use single-edged razors • Handle with extreme care • Never cut materials toward you. Cut away from you, if you do cut yourself please inform the teacher. • Dispose of ruined equipment properly.
Fire and Heat Safety • Always wear safety goggles when working with flames • Never reach across a flame • Never heat anything unless instructed to by your teacher • Never heat anything in a closed container • Always use a clamp, tongs, or heat resistance gloves to handle hot objects • When heating a test tube move it in and out if the flames • Fire extinguishers are to be near labs and only used in an emergency by a person who has had proper training
Animal Safety • Do not cause pain, discomfort, or injury to a live animal • Follow teachers directions when handling animals • Wash hands after holding the animal or its cage.
Electrical Safety • If an extension cord is needed use the shortest one and make sure it is not damaged • Do not use socket multipliers to overload the outlet • Never touch anything electrical with wet hands • Always be sure to keep electrical cords away from standing water
Chemical Safety • Always wear safety clothing when handling chemical if it does come in contact with your skin rinse for at least 15min • Never smell a chemical directly always use a wafting motion • Always have proper ventilation in a lab • When not in use keep chemicals in a labeled container • Make sure that chemicals are properly disposed of as instructed by your teacher
Eye and Face Safety • Wear safety goggles when handling chemicals • When heating a test tube always point it away from your face • Chemicals can splash or boil out of heated test tubes • If a chemical comes in contact with your eye rinse immediately for at least 15mins
Proper Dress • When in a lab wear clothes that cover as much as skin as possible • Wear closed toed shoes • Tie back long hair • Remove dangly jewelry and loose clothing to prevent them from hurting you or getting damaged
MSDS • Material Safety Data Sheet • This contains a list of everything that is known about a substance. Such as chemical structure, chemical approaches, chemical properties, personal safety, storage, and disposial
White Board Review • How would you pick up a piece of hot glassware? A. With your bare hands B. With heat resistant gloves C. With the sleeve of your shirt D. With a spatula
White Board Review • How would you pick up a piece of hot glassware? A. With your bare hands B. With heat resistant gloves C. With the sleeve of your shirt D. With a spatula
White Board Review • How should you hold a test tube? A. Pointed away from your face B. Pointed at your eye C. Right up to your nose D. Very close to your partner’s face
White Board Review • How should you hold a test tube? A. Pointed away from your face B. Pointed at your eye C. Right up to your nose D. Very close to your partner’s face
White Board Review • You should report a cut in your skin, glass breakage or chemical spill • After the problem is handled • Never • Immediately • After you write down what happened.
White Board Review • You should report a cut in your skin, glass breakage or chemical spill • After the problem is handled • Never • Immediately • After you write down what happened.
White Board Review • Why shouldn’t you wear dangling jewelry and baggy clothing to the laboratory? • The baggier the clothes, the more chemical fumes are absorbed • The metal in the jewelry changes the expected reaction • Lab coats don’t fit over baggy clothing. • Jewelry and clothing could get caught on equipment and clothes can catch on fire.
White Board Review • Why shouldn’t you wear dangling jewelry and baggy clothing to the laboratory? • The baggier the clothes, the more chemical fumes are absorbed • The metal in the jewelry changes the expected reaction • Lab coats don’t fit over baggy clothing. • Jewelry and clothing could get caught on equipment and clothes can catch on fire.
White Board Review • When you are done with an experiment, how should you dispose of any chemicals used? • Mix them up in waste container and dump them in the trash • Pour all of them down the sink • Following the instructions given to properly dispose of the particular chemical • Mix the chemicals in the flask and heat the mixture until it evaporates into the air.
White Board Review • When you are done with an experiment, how should you dispose of any chemicals used? • Mix them up in waste container and dump them in the trash • Pour all of them down the sink • Following the instructions given to properly dispose of the particular chemical • Mix the chemicals in the flask and heat the mixture until it evaporates into the air.
White Board Review • Your microscope needs to be plugged into an electrical outlet. What is the best way to do this? • With a plug that has 2 bent prongs • With a plug that ahs straight prongs and a short power cord • With a plug that has straight prongs and a long extension cord • With a plug that has straight prongs and a frayed extension cord.
White Board Review • Your microscope needs to be plugged into an electrical outlet. What is the best way to do this? • With a plug that has 2 bent prongs • With a plug that ahs straight prongs and a short power cord • With a plug that has straight prongs and a long extension cord • With a plug that has straight prongs and a frayed extension cord.
Vocabulary for Flash Cards • Glassware Safety • Sharp instrument safety • Fire and heat safety • Animal safety • Electrical safety • Chemical safety • Eye and face wash safety