1 Name: _________________________________ Date: __________________________________ REVIEW OF TERMS AND CONCEPTS WORKSHEETS HHPS AND WHMIS SYMBOLS ALL MIXED UP 1. You need to KNOW ALL 20 SAFETY SYMBOLS. Identify whether each symbol is a HHPS or a WHMIS symbol, then write the name of each symbol below it. 2 IDENTIFY THE SAFETY SYMBOLS ON THE PRODUCT 2. Using the information provided in each Safety Scenario, determine if the product involved should have a WHMIS or HHPS warning, and sketch the correct symbol that should be on the label. Safety Scenario a) You are cleaning out the garage at home and you look at some of the empty bottles of antifreeze left over from the winter. The symbol states it is highly dangerous and poisonous. b) In the school office, you notice one of your teachers changing the toner in the photocopying machine. The new toner cartridge has a warning symbol suggesting that the material is poisonous and has immediate toxic effects. c) At a local hospital you see a truck deliver new oxygen tanks. These industrial sized tanks have large warning symbols on them suggesting that the gas inside is under high pressure. d) Wet weather is approaching and you decide it is time to protect your shoes with spray-on protectant. You look at the label and see a symbol suggesting you to be mildly cautious when you use the spray can as it could explode if put under the incorrect conditions. e) Your mother asks you to clean the bathtub and you look under the sink for the proper cleaner. The product you find tells you that you should wear rubber gloves if you have sensitive skin. f) You are walking on the beach and see that some garbage has washed onto the shore. You take a closer look and you see the bag is full of disposable syringes, needles and discarded latex gloves. The bag containing this waste has a large warning symbol on it. g) You are going camping for the weekend and decide to take along a small stove. On the way you stop at Canadian Tire and purchase a small bottle of propane. You are warned by the symbol on its label that it is very dangerous and may be flammable if put under the improper conditions. h) You enter a chemistry lab and you notice that the teacher has several chemical bottles our on the desk for a demonstration. One jar contains the element calcium. Your teacher tells you during the demonstration that the calcium will cause burns to body tissues if it comes into contact with them. As well, it also catches fire easily. WHMIS or HHPS? Sketch the correct safety symbol that should be on the container of the Product. 3 IDENTIFYING LAB SAFETY HAZARDS 3. The illustration below demonstrates many broken lab safety rules. Identify at least 20 of these hazards. Number the safety hazard directly on the diagram and then give a brief description of the hazard below. 1. 11. 2. 12. 3. 13. 4. 14. 5. 15. 6. 16. 7. 17. 8. 18. 9. 19. 10. 20. 4 REVIEW YOUR SAFETY RULES 4. Fill in the blanks with the correct term(s) in order to complete each statement about lab safety. a) b) c) d) e) f) g) h) i) j) k) l) m) n) o) p) q) r) s) t) u) v) w) x) All injuries or broken equipment should be reported to your _________________ . If you have __________________________ you should tie it back before starting the lab. Make sure you understand the ___________________ for each substance before you use it. _________________ are worn to protect your eyes from particles and objects that could enter during an experiment, even if you already have corrective eyeglasses on. If you need to wear corrective eyewear, you should always wear _________________ and never _________________ because chemicals can get underneath these. Broken or cracked _________________ should always be reported to the _________________ and then placed in the proper waste container. Ensure that equipment and glassware is NOT placed near the _________________ of your lab bench. During a lab, the type of footwear that should NOT be worn are ___________________________________ . You lab station should always be kept _________________ . Before you start your lab, the _________________ should be moved to the side of the room because you will be _________________ during your lab. Your lab bench should only contain your equipment, chemicals, instruction sheets and writing implements. Your _________________ should be moved to the side of the room. When using a scoopula to gather chemical #1, the same scoopula ____________________________ to gather chemical #2. If your teacher says that it is okay to smell a chemical, the ____________________ method should be used. Why is this method used? ____________________________________________________________ Though you may be allowed to smell SOME chemicals, you must never _________________ any chemicals. If a chemical splashes into your eyes, the _________________ station should be used for at least ___ minutes. Burns should be held immediately under cool water for ___ minutes. Never start an experiment without the _________________ of the teacher. When collecting chemicals, never take _________________ than what you need. Remember to share. When you need to create a solution that contains a chemical plus water, always add the _________________ first before adding the _________________. This prevents the chemical from _________________ up into your face. Some chemicals when added to water also produce a lot of _________________. Adding the water first allows the water to absorb the _________________ . During the lab, avoid bad habits like putting your _________________ in your eyes or mouth because these may be contaminated with chemicals. You should never take any chemicals _________________ . At the end of the lab, all used equipment must be _________________, then _________________ then put in _________________ . The hotplates must be _________________ and all clean equipment must be put _________________ . Goggles have to be placed _________________ in the goggles storage area. When disposing of chemicals, never pour any down the _________________ . Always put the chemicals in the appropriately labelled waste containers. At the very end, the lab benches must be _________________ . You will do this using the cleaning fluid in the _________________ and wiping with _________________ which you will put in the _________________, not in the _________________ . When finished with a lab you must always _________________ your hands. 5 ANSWER KEY Name: _________________________________ Date: __________________________________ REVIEW OF TERMS AND CONCEPTS WORKSHEETS HHPS AND WHMIS SYMBOLS ALL MIXED UP 1. You need to KNOW ALL 20 SAFETY SYMBOLS. Identify whether each symbol is a HHPS or a WHMIS symbol, then write the name of each symbol below it. compressed gas HHPS caution poisonous HHPS danger corrosive corrosive material HHPS caution corrosive HHPS danger explosive WHMIS poisonous: other effects HHPS caution explosive oxidizing agent HHPS warning explosive HHPS danger poison biohazardous and infectious HHPS warning flammable HHPS caution flammable flammable and combustible HHPS warning poisonous dangerously reactive WHMIS HHPS danger flammable WHMIS WHMIS WHMIS WHMIS poisonous: immediate toxic effects WHMIS WHMIS HHPS warning corrosive 6 IDENTIFY THE SAFETY SYMBOLS ON THE PRODUCT 2. Using the information provided in each Safety Scenario, determine if the product involved should have a WHMIS or HHPS warning, and sketch the correct symbol that should be on the label. Safety Scenario WHMIS or HHPS? Sketch the correct safety symbol that should be on the container of the Product. a) You are cleaning out the garage at home and you look at some of the empty bottles of antifreeze left over from the winter. The symbol states it is highly dangerous and poisonous. HHPS b) In the school office, you notice one of your teachers changing the toner in the photocopying machine. The new toner cartridge has a warning symbol suggesting that the material is poisonous and has immediate toxic effects. WHMIS c) At a local hospital you see a truck deliver new oxygen tanks. These industrial sized tanks have large warning symbols on them suggesting that the gas inside is under high pressure. WHMIS d) Wet weather is approaching and you decide it is time to protect your shoes with spray-on protectant. You look at the label and see a symbol suggesting you to be mildly cautious when you use the spray can as it could explode if put under the incorrect conditions. HHPS e) Your mother asks you to clean the bathtub and you look under the sink for the proper cleaner. The product you find tells you that you should wear rubber gloves if you have sensitive skin. f) You are walking on the beach and see that some garbage has washed onto the shore. You take a closer look and you see the bag is full of disposable syringes, needles and discarded latex gloves. The bag containing this waste has a large warning symbol on it. HHPS or WHMIS g) You are going camping for the weekend and decide to take along a small stove. On the way you stop at Canadian Tire and purchase a small bottle of propane. You are warned by the symbol on its label that it is very dangerous and may be flammable if put under the improper conditions. HHPS h) You enter a chemistry lab and you notice that the teacher has several chemical bottles our on the desk for a demonstration. One jar contains the element calcium. Your teacher tells you during the demonstration that the calcium will cause burns to body tissues if it comes into contact with them. As well, it also catches fire easily. WHMIS and 7 IDENTIFYING LAB SAFETY HAZARDS 3. The illustration below demonstrates many broken lab safety rules. Identify at least 20 of these hazards. Number the safety hazard directly on the diagram and then give a brief description of the hazard below. 11 17 10 12 14 16 15 1 7 6 9 18 20 13 2 5 3 8 19 4 1. Acid spill. 11. Placing heavy chemicals on high shelf. 2. Broken glass. 12. Unattended Bunsen burner. 3. Food. 13. Equipment on the floor. 4. Chemical spill. 14. Fire extinguisher not in proper place. 5. Unsafe use of Bunsen burner – goggles not on. 15. Loose sleeve. 6. Long hair not tied back. 16. Goggles not in use. 7. Food. 17. Untidy and cluttered work surface. 8. Goggles not worn. 18. Sitting during the lab. 9. Alcohol spill. 19. Clutter on chair which should be moved out of the way. 10. Improper transfer and goggles not worn. 20. Standing on stool in the lab. 8 REVIEW YOUR SAFETY RULES 4. Fill in the blanks with the correct term(s) in order to complete each statement about lab safety. teacher All injuries or broken equipment should be reported to your _________________ . long hair If you have __________________________ you should tie it back before starting the lab. hazards Make sure you understand the ___________________ for each substance before you use it. Goggles _________________ are worn to protect your eyes from particles and objects that could enter during an experiment, even if you already have corrective eyeglasses on. glasses e) If you need to wear corrective eyewear, you should always wear _________________ and never contacts _________________ because chemicals can get underneath these. glassware teacher f) Broken or cracked _________________ should always be reported to the _________________ and then placed in the proper waste container. edge g) Ensure that equipment and glassware is NOT placed near the _________________ of your lab bench. open-toed shoes h) During a lab, the type of footwear that should NOT be worn are ___________________________________ . tidy/neat i) You lab station should always be kept _________________ . chairs j) Before you start your lab, the _________________ should be moved to the side of the room because you standing will be _________________ during your lab. k) Your lab bench should only contain your equipment, chemicals, instruction sheets and writing implements. bags and books should be moved to the side of the room. Your _________________ should not be used l) When using a scoopula to gather chemical #1, the same scoopula ____________________________ to gather chemical #2. hand-waving/wafting method should be used. m) If your teacher says that it is okay to smell a chemical, the ____________________ To avoid inhaling too much of the substance which may be toxic irritating. Why is this method used? ____________________________________________________________ taste n) Though you may be allowed to smell SOME chemicals, you must never _________________ any chemicals. eye wash o) If a chemical splashes into your eyes, the _________________ station should be used for at least 10 ___ minutes. Burns should be held immediately under cool water for 5-10 ___ minutes. permission p) Never start an experiment without the _________________ of the teacher. more q) When collecting chemicals, never take _________________ than what you need. Remember to share. r) When you need to create a solution that contains a chemical plus water, always add the water chemical _________________ first before adding the _________________. This prevents the chemical from splashing _________________ up into your face. Some chemicals when added to water also produce a lot of heat heat _________________. Adding the water first allows the water to absorb the _________________ . hands s) During the lab, avoid bad habits like putting your _________________ in your eyes or mouth because these may be contaminated with chemicals. of the lab . t) You should never take any chemicals home/out _________________ washed rinsed u) At the end of the lab, all used equipment must be _________________, then _________________ then put drying rack unplugged in _________________ . The hotplates must be _________________ and all clean equipment must be put back in the proper place. Goggles have to be placed _________________ neatly _________________ in the goggles storage area. sink/drain v) When disposing of chemicals, never pour any down the _________________ . Always put the chemicals in the appropriately labelled waste containers. cleaned w) At the very end, the lab benches must be _________________ . You will do this using the cleaning fluid in paper towel spray bottle the _________________ and wiping with _________________ which you will put in the garbage recycling _________________, not in the _________________ . wash x) When finished with a lab you must always _________________ your hands. a) b) c) d) 9 Created by Anh-Thi Tang – Tangstar Science Copyright © May 2013 Anh-Thi Tang (a.k.a. Tangstar Science) All rights reserved by author. This document is for your personal classroom use only. This entire document, or any parts within, may not be electronically distributed or posted to any website.
