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Lab Safety - Rules and Symbols
The document outlines safety rules and symbols for a science lab. It emphasizes that safety is the top priority and everyone is responsible for following the rules. General safety guidelines include being responsible, following instructions, no food/drink, and notifying the teacher of any accidents. A signed safety contract is required. Safety symbols depict proper eye, skin, clothing protection and safety procedures for hazards like flames, chemicals, broken glass and more. Students are quizzed on safety and what to do in an emergency.
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Lab Safety - Rules and Symbols
- 1. Safety In theScience Lab Rules and Symbols Lab Safety: Everyone Is Responsible!
- 2. Safety First • Scienceis a hands-on laboratory class. • You will be doing many laboratory activities, some of which may 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, we are going to go over General Safety Guidelines. • These rules must be followed at all times. • A signed lab safety contract is required to participate in labs.
- 3. 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 in the science classroom. Lab Safety: Everyone Is Responsible!
- 4. General Safety Guidelines •Keep the science room clean and organized. Lab Safety: Everyone Is Responsible! • Notify the teacher immediately of any accidents or unsafe conditions in the science classroom! • Wash your hands with soap and water after experiments.
- 5. Safety Symbol 1 EyeSafety • Wear safety goggles when working with chemicals, flames, or heating devices. • If a chemical gets in your eye, notify the teacher and they will help you flush it in water for 15 minutes.
- 6. Safety Symbol 2 ClothingProtection • Wear a laboratory apron to protect your skin and clothes.
- 7. Safety Symbol 3 SkinProtection • Wear disposable gloves to protect yourself from chemicals or organisms that could be harmful. • Keep your hands away from your face.
- 8. Safety Symbol 4 BrokenGlass • Handle glassware with care. • Do not touch broken glassware.
- 9. Safety Symbol 5 OpenFlames • Tie back hair and loose clothes when working with open flames. • Never look into a container as you are heating it. • Point test tube away from you and others while heating, they can boil suddenly and spurt hot liquid. • Never leave a heat source unattended.
- 10. Safety Symbol 6 FlammableSubstances • Make sure no sparks, flames, or exposed heat sources are present.
- 11. Safety Symbol 7 CorrosiveSubstances and Poison • Avoid getting corrosive chemicals on your skin or clothing, or in your eyes. • Do not sniff jars or inhale vapors. • Wash your hands when you are finished with the lab.
- 12. Safety Symbol 8 Fumes •Work in a ventilated area. • Do not inhale vapors. • Only test an odor if directed to do so and then only by wafting.
- 13. Safety Symbol 9 ThermalBurn • Use hand protection (gloves) when handling hot materials.
- 14. Safety Symbol 10 ElectricalEquipment • Do not place a cord where someone can trip over it. • Never use electricity around water. • Unplug all equipment before leaving the room.
- 15. Safety Symbol 11 SharpObject • When using knives or other sharp objects always walk with the points facing down. • Cut away from fingers and body.
- 16. Safety Symbol 12 Disposal •Chemicals must be safely disposed of – the lab technicians are trained for this. • Follow the instructions of your teacher.
- 17. Safety Symbol 13 HandWashing • Wash hands with soap and water.
- 18. What’s Wrong WithThis Picture?
- 19. What’s Wrong WithThis Picture?
- 20. What’s Wrong WithThis Picture?
- 21. What’s Wrong WithThese Statements? • Mohammed says that his teacher is solely responsible for preventing laboratory accidents. • Olivia started the lab activity before reading it through completely. • Mansoor decided to do a lab activity that he read about in a library book before the teacher came into the classroom. • Kayoon 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.
- 22. What’s wrong? Identify6 different safety concerns shown in the picture below
- 23. The answers are… Don’t eat or drink while in the lab. Don’t fool around during a lab. Always wear safety goggles when doing an experiment. Always point test tubes and other items away from yourself and others when heating. Keep hair and other flammable objects away from flames. Don’t leave a flame unattended.
- 24. Safety Equipment • FireBlanket – Located in back of classroom in the red container • Fire Extinguisher – Located in outside classroom door and in the computer lab 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. REMEMBER: Stop, Drop, & RollOn Fire?
- 25. What To DoIn An Emergency If there is a fire or fire alarm • Quietly get up and push in your chair, bring your phone. • Walk toward the outside classroom door. • Walk to the basketball court. • Quickly line up in alphabetical order by last name. • Remain in line until the drill is over. • Remain silent throughout the entire alarm so that all people can hear important directions. Lab Safety: Everyone Is Responsible!
- 26. Any Questions? REMEMBER: • Carefullyread through the entire safety contract and sign. • Have your parents read and sign your safety contract. • Study for the safety quiz later this week!
- 27.
- 28. Lab Safety Video •Lab Safety Video