Identify these lab safety signs

1. Identify these lab safety signs

2. Lab SafetyAugust 25, 2010 This is not a complete listing of safety rules for the science lab but these are the main ones you will need for our science classes.

3. Safety in the Lab-What’s Wrong?

4. Safety Rules for Lab • When you enter the science room, do not touch anything already set up until instructed to do so • Follow teacher’s instructions at all times • Read directions before beginning • No horseplay!

5. Safety Rules for Lab • Do not eat, drink, or chew gum in the lab • Keep work area clean and clear at all times • Report any accidents, injuries, spills, or breakage to teacher

6. Safety Rules for Lab • Contact lens should not be worn in lab • Safety goggles should be worn • No open toe shoes – shoes should cover feet • Long hair must be pulled back, no dangling jewelry, no baggy clothes

7. Safety Rules for Lab • Examine all glassware for cracks or damage before using them • Never handle broken glass with bare hand • Do not put hot glassware in cold water • Never taste or directly smell anything in the lab – use wafting motion to smell

8. Safety Rules for Lab • Never pour chemicals down the sink drain – check with teacher • Do not put hands in face around mouth, eyes, or nose when handling chemicals • Always wash hands with soap and water when finished • Never pour unused chemicals back into the original container • Never point open end of test tube or container towards anyone

9. Quiz • All waste chemicals can be safely poured down the drain if diluted 100:1. True False

10. Quiz • Eating, drinking, chewing gum and putting on makeup/cosmetics are permitted in the laboratory. True False

11. Quiz • Whom should you call in case of an emergency in the lab? A) Instructor B) Nobody C) A friend D) Anybody

12. Quiz • What should be worn in a laboratory at all times to decrease the likelihood of eye injury? A) Corrective lenses B) Safety Glasses C) A mask D) Nothing

13. Quiz • Why is it not advisable to wear contact lenses in the lab? A) Lenses could inadvertently fall out of the eye B) Chemical vapor could become trapped between the lenses and the eye C) Chemical vapor could literally react with the lenses D) All of the above

14. Quiz • What type of footwear is required in the lab? A) Shoes are optional B) Hard-soled, covered shoes C) Sandals D) Something in a low heel

15. Quiz • Describe the procedure for smelling a chemical. A) Stick your nose close to the vessel and breath deeply B) Point vessel away from face while gently fanning vapors toward nose C) Never smell a chemical D) Smell chemical as you would anything else

16. Images Cited • http://mjksciteachingideas.com/safety.html • http://www.proprofs.com/quiz-school/upload/yuiupload/1011487234.jpg • http://www.williamsclass.com/images/JPGImages/LabSafetyGlasses.jpg • http://ehs.iupui.edu/ehs/labnotesSpring2009/img/NoFood.jpg • http://www.marcomltd.com/marcomUI/images/TitleIcons/lss/LSS_SafeHandlingOfLabGlass.gif • http://www.thedailygreen.com/cm/thedailygreen/images/LO/clogged-drain-hm-lg.jpg