Lab Safety 2017 Semester 2 Agenda 19 HW

Lab Safety 2017 Semester 2

Agenda 1/9 HW: Quiz tomorrow on lab safety. Must pass with 70% or higher in order in be allowed into lab.

Lab Safety: Everyone Is Responsible! Safety In the Science Lab Rules and Symbols

Safety First • Science is a hands-on laboratory class. • You will be doing many laboratory activities, which require the use of hazardous chemicals and expensive lab equipment. • Safety in the science classroom is the #1 priority. • To ensure a safe science classroom, a list of rules has been developed and provided to you in your student safety contract. • These rules must be followed at all times. • A signed lab safety contract is required to participate in labs as well as a PASSED safety quiz.

General Safety Guidelines • Be Responsible at All Times. No horseplay, practical jokes, pranks, etc. • Follow all instructions carefully. • Do not “play” with lab equipment until instructed to do so. • Food, drink, and gum are not allowed past the brown line Lab Safety: Everyone Is Responsible!

General Safety Guidelines • Keep the lab clean and organized. Only take the necessary items with you to the lab area. • Notify the teacher immediately of any accidents or unsafe conditions in the classroom! • Wash your hands with soap and water after experiments. Lab Safety: Everyone Is Responsible!

Safety Symbols Eye Protection • Wear safety goggles when working with chemicals, flames, or heating devices. • If a chemical gets in your eye, flush in water for 15 minutes and notify the teacher. Electrical Safety • Do not place a cord where someone can trip over it. • Never use electricity around water. • Unplug all equipment before leaving the room.

Safety Symbols Chemical Safety • Read all labels twice before removing a chemical from the container. • Never touch, taste, or smell a chemical unless instructed by the teacher. • Transfer chemicals carefully! • All chemical containers must be closed tightly when done using them Heating Safety • Tie back hair and loose clothes when working with open flames. • Never look into a container as you are heating it. • Heated metal and glass looks cool, use tongs or gloves before handling. • Never leave a heat source unattended.

Safety Symbols Hand Safety • If a chemical spills on your skin, notify the teacher and rinse with water for 15 minutes. • Carry glassware carefully. Personal Safety • • Handle all equipment carefully Stay at YOUR station Read and follow all directions Place all equipment from lab drawer back into lab drawer • Place all equipment from center table back on table • Wipe down lab table • Push all stools in out of the way

Safety Equipment • Know the locations of: – – – fire extinguisher fire blanket body shower eyewash station first aid kit To operate the fire extinguisher remember P-A-S-S P- Pull the Pin A-Aim the hose at the base of the fire from 5 -6 feet away. S-Squeeze the handle. S-Sweep the hose back and forth across the fire. On Fire? REMEMBER: Stop, Drop, & Roll

Activities • Get out a separate sheet of paper, your name needs to go on this paper because you will to turn this in at the end of the period for points.

What’s Wrong With This Picture?

You Should Never… • Engage in…. – practical jokes – horse play – rough house

On lab day • Do not enter lab without teacher approval • Wear closed-toed SHOES!!!! • Bring some old tennis shoes to keep here • Tie back long hair • Wear safety goggles!!!!!!!!!!!!!!

During Lab • • • Stay focused and on task Work with only your group Follow all directions (READ) Ask questions if you are unsure about lab If you see something unsafe, TELL US!!!!

• Do not breathe vapors or put anything close to your nose to smell unless instructed. – When smelling, do not hold the object below your nose, make a pass from one side to the other. What is this action called? Copyright © 2010 Ryan P. Murphy

Please check glassware for cracks or chips prior to use. – If glassware is broken please contact teacher. – Please be safe with glassware to avoid dropping and breaking. Clean immediately. – If you break it you buy it! Copyright © 2010 Ryan P. Murphy

Handling Chemicals… • If you ever take too much of a chemical from the stock bottle, do NOT pour it back into the container!

Please do not eat food or drink past the brown line – No gum.

Keep flammable solutions away from flame. Copyright © 2010 Ryan P. Murphy

If you have long hair then please arrange it so that it will not

Know where the eyewash station is and how to use it. Where is the station? – If you get something in your eye • Get it out now! • Hold eyelid open. • Gently run water over your eyes. • Go to school nurse immediately. Copyright © 2010 Ryan P. Murphy

Keep electrical equipment away from water and vice versa. Copyright © 2010 Ryan P.

Use proper safety protection. – Goggles covering eyes. Copyright © 2010 Ryan P. Murphy

• Which of the students is being unsafe in the lab and will requiring talking too?

Answer! These students are not wearing their goggles properly and they’re not wearing gloves.

• Clean glassware before and after use to avoid harmful residue. Copyright ©

• Be precise in your measuring of reagents and chemicals. Copyright © 2010

What’s Wrong With These Statements? • Hal says that his teacher is solely responsible for preventing laboratory accidents. • Keshia started the lab activity before reading it through completely. • Ricardo decided to do a lab activity that he read about in a library book before the teacher came into the classroom. • Stephanie says that the safety goggles mess up her hair and give her raccoon eyes. She refuses to wear them. • Barbie and Ken accidentally break a beaker full of some chemical. Instead of risking getting in trouble they quickly clean up the mess with paper towel and throw it in the garbage.

Assign Lab Groups These will be your lab groups for every lab we perform this semester. So remember these groups and the table for the future!