Lab Safety Review Word Scramble
E A L S F
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| Question | Answer |
| Odors are best detected by placing your nose directly over the opening of a chemical container. | False |
| Always shake down your thermometer to zero degrees celsius before using it. | False |
| Place the unknown on which side of the balance? | the left side |
| It is acceptable to use the same spatula to transfer different chemicals | False - you will contaminate them |
| Safetly glasses may be worn when working with chemicals that may splash in your eye. | False |
| Before you leave the lab make sure your equipment is clean and put away and your lab station is clean and dry. | True |
| Where are the chemical spill kits located? | Along the side near the front of the room |
| Safety goggles or glasses must be worn at all times while doing experiments in the lab. | True |
| Only materials and equipment for experiments authorized by your teacher should be used in the lab. | True |
| It is OK to occasionally taste substances in the laboratory to determine their identity. | False |
| It is usually safe to mix chemicals to see what will happen. | False |
| All liquids from experiments can be poured down the sink. | False |
| List the 5 steps to lighting the bunsen burner | (1)Close both air and gas valves (2)Open gas 1 turn and air ¼ of the way (3)Turn gas on (handle aligned with nozzle) (4)Light with flint striker close to top of burner (5)Adjust oxygen valve to get blue flame |
| Where is the container for broken glass located? | back of the room |
| How do your correctly read a volume from a graduated cylinder | Get down on eye level with the liquid level and read from the bottom of the meniscus. |
| When you are transferring liquids , _______ to _______ is the safest technique to use for most liquids | lip to lip |
| Chemicals can be measured out directly onto the pan of the balance. | False |
| Long hair should be tied back whenever using the bunsen burners or other flames. | true |
| Where is the first aid kit located? | Along the side near the front of the room |
| Acid spills can be cleaned up with a chemical spill pad or sand. | True |
| A teacher should always be present whenever you are working in the lab. | True |
| To test if liquid is water, taste it. | False |
| Your lab table should always be kept clear of all materials except what it is needed for the experiment. | True |
| What are the two things you must do to the balance to zero it? | 1) setting all the sliding weights to 0 2) adjusting the knob on the end |
| How do you safetly transfer a liquid from one container to another. | Pour it lip to lip. If it is an acid, pour it down a stirring rod. |
| If you see someone else being unsafe in the lab, don't worry about it. | False |
| When a test tube is being heated, its mouth should be pointed away from everyone. | True |
| If glassware is broken by accident, report it to your teacher then throw it away in the broken glass bucket | True |
| It safe and proper procedure to shake down a lab thermometer to lower the temp before you use it again. | False |
| DO NOT put anything under the sink nozzle before you turn it on | True |
| The teacher should be notified of all chemical spills or breakage of equipment, unless they are very minor. | False |
| If a student burns her hand, she should call to the teacher and immediately put it under cold running water. | True |
| The yellow flame is the best for heating with the bunsen burner. Adjust the air until you get this. | False |
| Where is the emergency gas shutoff located? | front of the room |
| You should always clean up your lab area and wash your hands before leaving class. | True |
| Always carring a balance by the measuring arm. | False |
| Never leave a lit bunsen burner unattended. | True |
| Drinks and food are permitted at the lab tables as long as you have finished your experiment and cleaned up. | False |
| What is the broken glass container used for? | Holding broken glass so it is not put into the trash where it could cut someone. |
| Where are the fire blankets located? | in the front and along the side near the back of the room |
| Report any spill or breakage to your teacher right away....before you try to clean it up! | True |
| Electronic equipment should only be used if the lab tables are clean and dry. | True |
| How do you know when to use goggles and when to use glasses? | Goggles must be used with chemicals or liquids which could splash into your eyes. |
| What is the safety fire blanket used for? | To smother out flames on a person. |
| You should notify your teacher immediately in the event of an injury to yourself or others, even if it is just a little scrape or cut. | true |
| What is the fire extinguisher used for? | To put out fires that are not on a person. |
| Keep all electrical cords away from the edge of the table b/c they can get caught on people passing by. | True |
| Always use tongs or heat resistant gloves when you are handling hot equipment in lab | True |
| When the gas valve is at a 90 degree angle to the gas nozzle, the gas is on and your bunsen burner may be lit. | False |
| The emergency shower and eye wash station are located where? | along the side near the back of the room |
| What is the emergency shower used for? | To rinse chemicals off of a person. |
| First aid for chemicals in the eye is to rinse using the eyewash station. | True |
| Playing with the eyewash or shower safety equipment is permitted when your teacher leaves the room. | False |
| If your clothes catch on fire; stop, drop, and roll. | True |
| Where is the hottest part of the bunsen burner flame | At the tip of the inner blue flame |
| When transferring acids you should pour the acid down a ___________- into the container | stirring rod |
| How do you safely smell something in the lab | Waft it! Use your hand to draw a little of the smell towards your nose. |
| Always pour Acids into Water | True |
| What is the emergency eye wash used for? | To rinse chemicals out of a persons eyes (which should never happen with goggles!!!) |
Created by:
katiesmith
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