Laboratory Laboratory ProceduresProcedures

Pre-AP BiologyPre-AP Biology

Ms. HautMs. Haut

Using the Lab StationsUsing the Lab Stations

• Lab groups are based on classroom Lab groups are based on classroom seatingseating– Students are group by color—look at the Students are group by color—look at the

color of your desk numbercolor of your desk number

• When told, group members go straight to When told, group members go straight to their assigned lab bench and wait for their assigned lab bench and wait for directionsdirections

• ALL members must participate equally ALL members must participate equally during the lab—assign jobs during the lab—assign jobs

• Follow directions of the lab activityFollow directions of the lab activity

Using the Lab StationsUsing the Lab Stations

• Clean UpClean Up– Carefully wash all glassware—use soap and Carefully wash all glassware—use soap and

scrub brush and rinse at least 3 times with scrub brush and rinse at least 3 times with waterwater

– Put lab kits back the way you found them—Put lab kits back the way you found them—replacing any needed materials replacing any needed materials

– Raise your hand to have me check your lab Raise your hand to have me check your lab stationstation

– I will dismiss you back to your desksI will dismiss you back to your desks– Make sure stools are returned to under the Make sure stools are returned to under the

benchbench

Lab Safety: Everyone is Lab Safety: Everyone is Responsible!Responsible!

• "I didn't mean to""I didn't mean to" and and "It wasn't my fault""It wasn't my fault" are two are two statements that have no place in the lab. If someone is statements that have no place in the lab. If someone is hurt or equipment is broken, these statements cannot hurt or equipment is broken, these statements cannot undo the harm.undo the harm.

• Horse-play will not be tolerated.Horse-play will not be tolerated. If it occurs, those If it occurs, those involved will be disqualified from the lab and given a involved will be disqualified from the lab and given a zero for the assignment. zero for the assignment.

• Lack of pre-lab preparationLack of pre-lab preparation is the main threat to is the main threat to safety in our lab. If you and your group are safety in our lab. If you and your group are unprepared, you will be unsure of yourself, waist time, unprepared, you will be unsure of yourself, waist time, and have a good chance of making a mistake that and have a good chance of making a mistake that leads to a problem. leads to a problem.

• At the beginning of each lab periodAt the beginning of each lab period, you will be , you will be given a chance to ask questions. If you are unsure of given a chance to ask questions. If you are unsure of some procedure, now is the time to ask. Always pay some procedure, now is the time to ask. Always pay close attention to any verbal instructions given at this close attention to any verbal instructions given at this time. time.

Lab Safety: Everyone is Lab Safety: Everyone is Responsible!Responsible!

• Safety GlassesSafety Glasses Must Be WornMust Be Worn in the in the lab area.lab area. – Other protective clothing, such as gloves Other protective clothing, such as gloves

and aprons are at your option, unless and aprons are at your option, unless otherwise noted. otherwise noted.

• Long hair and bulky clothing are Long hair and bulky clothing are dangerous in the lab. dangerous in the lab. – Tie back long hair. Leave bulky Tie back long hair. Leave bulky

coats/sweaters at your deskcoats/sweaters at your desk– There is a danger of being drawn through There is a danger of being drawn through

chemicals and/or knocking things over. chemicals and/or knocking things over. – Wear appropriate clothing. –no open-toed Wear appropriate clothing. –no open-toed

or open-backed shoes allowed!or open-backed shoes allowed!

Lab Safety: Everyone is Lab Safety: Everyone is Responsible!Responsible!

• Accidents can happenAccidents can happen– Remain calm! A minor problem Remain calm! A minor problem

quickly becomes a major one if you quickly becomes a major one if you don't. don't.

– Report all accidents immediately, Report all accidents immediately, no matter how small.no matter how small.

• Broken glassBroken glass• Spilled chemicalsSpilled chemicals• Cuts or scrapesCuts or scrapes

Lab Safety: Everyone is Lab Safety: Everyone is Responsible!Responsible!

• Lab Safety EquipmentLab Safety Equipment– EyewashEyewash– Fire extinguisher and fire safety blanketFire extinguisher and fire safety blanket

Professor Glickman, the lab practical joker, deftly places a single drop of hydrochloric acid on the back of Professor Bingham's neck.--Gary Larson, the Far Side