Earth Science Textbook Appendix A

Appendix A Laboratory Safety Safety Symbols These symbols warn of dangers in the and remind you to carefully . Safety West ! safety goggles to protect your eyes in any involving chemicals . or heating . or glassware . Lab Apron Wear apron to UlL ' your skin and clothing from . Breakage . such as . with care . Do not touch . Gloves use an oven mitt or other hand when hut such as hot plates or hot , Plastic Gloves Wear plastic when with organisms and chemicals . your away from your face . and of the gloves according to your teacher instructions . Heating Use clamp or lungs to up A hot Do not touch hot objects with your bare hands . Flames Before you work with . tit back ' hair and clothing . Follow instructions from your teacher about lighting . malt there an . and extinguishing flames . spirits , or other . Corrosive Chemical Avoid getting acid or chemicals on your skin or clothing or in your eyes . Do nut inhale the vapors . Wash your hands after the ) Poison Do not In any poisonous into contact with your . and do not its vapors , hands when are with the activity . No Flames When using 5340 Fumes Work in a ventilated am when ful vapors bi . Avoid inhaling directly . Only its ! an odor when in do so by your . us motion to direct the vapor your time . Slurp Object Scissors . needles . pins . and tack tan cut your Always ' at sharp or point army from and others . Animal Safety live or or animal parts with care to harming or yourself . Wash your when you are with the activity . Safety Handle plants only as by your teacher . imn arr Allergic to certain plants . teacher do not do an activity involving those plants . Avoid touching harmful plants such as poison ' your hands when you are finished with the ' Electric Shock To electric shock . use elect equipment around water , or when is your arr wet . and can not trip . Unplug not in use . Physical Safety an experiment involves activity . avoid injuring others . your teacher if there is any you should not participate . Disposal of chemicals and other safely . Follow the from your teacher . Hand Washing your hands ' when with the . Use strap and warm welL General Safety Awareness When this appears . follow the . When vim are asked to your own in a lab . haw your teacher approve your plan you go further .

Science Safety Rules General Precautions Follow all ( li ( perform ( a the approval and ) teacher . Do not engage in . Never at or drink in the laboratory . work areas clean and uncluttered . Dress code Wear safety goggles yuu with . heat ) such as burners . or any that might get into yuur eyes . you wear contact , your teacher . Wear a lab apron or coat you work with or that ran stain . Tie long hair . or tie hack Am oi or jewelry that can hang down and touch . ur equipment . Rull up long . near open shoes or sandals . First Aid all accidents . injuries . or your teacher . no how minor . Be of the location ofthe kit . emergency equipment such as the fire extinguisher and blanket . and the nearest Know whom to contact in an ( Heating and Fire Safety all away from . when heating at substance in a tube . make sure that the mouth of the tube is not pointed at or else , Never heat liquid in . Use an oven min in pick up a that has hem . Using Chemicals Safely Never put your fan near the mouth 01 ' a container that holds chemicals . Never touch . taste . or smell a unless your teacher you to . UM only those chemicals needed in the activity . Keep all containers closed when are not used . Pour all ( lIt over the sink or a container , not Met work . Dispose ( as by your teacher He extra when with acids or bases . When mixing an acid and water . pour the water into the container and then add the acid the water . pour . into an acid . Wash spills and splashes with plenty of water . Using Glassware Safely II is broken or . notify yuur . Newt handle ih or chipped glass with bare hands . Never glass tubing or rubber stopper or rubber tubing . your teacher insert the glam if required luv an . Using Sharp Instruments sharp ' with ext care . Never cut material rut away from ?

Animal and Plant Safety Never perform experiments that cause pain . or to animals . Only handle if . it that you arc allergic to certain plants . mold ) or animals . tell your an in which the ' are used . Wash mur alter any animals . animal parts . plants . plant parts . or soil . During , wear long pants , lung , socks , and dated shoes . Amid plants and fungi as well at plants with . Rules Unplug all electrical equipment . Clean up area . of waste instructed by your Wash your hands after wry experiment . Appendix A 535