Laboratory Safety REVIEW What things should you remember

Laboratory Safety REVIEW

What things should you remember when using heat?

• 1. only heat open containers • 2. Point the mouth of a container or test tube away from yourself and others • 3. Use clamps or tongs to hold glass

• What is the last thing you should do before leaving the science lab?

• WASH YOUR HANDS

• What is the thing you should do when conducting a lab experiment? st 1

• READ AND UNDERSTAND LAB INSTRUCTIONS!

• You should never work ______ when doing lab experiments.

• ALONE

• What is the proper way to smell an unknown chemical?

• Hold container an arm’s length away and wave hand across top, cautiously sniffing

• How should you rinse your eye if you get acid in it?

• From the inner corner to the outer corner

• If you are using flammable materials like alcohol, you should never dispense them if you are near a __________.

• Near an open flame

• How can you tell the difference between hot glass items and cool ones?

• Bring the back of your hand close to it BEFORE touching

• When lighting a Bunsen Burner, you should first do what?

• Strike your match BEFORE turning on the gas

• If a laboratory fire erupts, you should first ______.

• Notify teacher

• Matches should be struck (towards, away from) your body.

• Away from

• Safety goggles should be worn anytime _____, _____ or _____ is used.

• Chemicals, heat or glassware

• How should an electrical cord be removed from the wall?

• Pull the plug, NOT THE CORD

• Can you taste a chemical if your teacher gives permission?

• YES

• Is it okay to drink water out of a clean beaker?

• After completing an experiment, where should your chemical wastes go?

• In appropriate waste container as instructed by your teacher

• What should you do if you fail to compete a lab experiment?

• Discuss issue with your teacher then, not the next day.

• If you break a test tube or spill a chemical on your lab table, what should you do?

• Caution lab partners and inform teacher

• If you have been injured in the laboratory, you should _________.

• Notify teacher at once

• If you have long hair, what is the appropriate procedure when in the lab?

• Tie it back

• When getting glassware for an experiment, what 3 things should you do?

• 1. Check for cracks or stars • 2. Make sure its clean, if not wash it • 3. Read directions so you know what you need.

• You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished, . The best way to do this is ______.

Lubricate the glass with glycerin or water, put on gloves or use a towel, then twist the tube and stopper carefully

• What should you do if a piece of your equipment is not working properly?

• Stop what you are doing and turn it off, raise your hand when called on, inform teacher of the issue.

• When finished using a bunsen burner, you should _______.

• Turn off the gas.

• If your clothing catches on fire in the lab, what should you do?

• Smother it with a safety blanket.

When is the appropriate time to eat or drink in the lab?

• NEVER

• Why is it not okay to drink out of clean beakers or other lab glassware?

• Because food and drinks don’t belong in the lab and lab glassware is not for use with foods or drinks.

• Suppose you break a mercury thermometer. You know that mercury is poisonous, so how should you handle the situation?

• Notify your teacher, do not pick mercury up with bare hands.

• Suppose a fire or tornado drill occurs during the middle of an experiment. What should you do?

• Turn everything off, close all containers, exit lab in an orderly and quiet manner.

• If you take too much chemical from a stock bottle, what should be done with the extra?

• Place in the appropriate container as specified by your teacher. NEVER return it to stock bottle because many chemicals look just alike.

• Who is responsible for returning all laboratory materials to correct place and cleaning all dirty glassware, picking up trash, etc.

• Students who did the lab

• If you break a piece of glassware in the lab, what should you do?

Notify the teacher.

• When is it appropriate for a student to enter the chemical preparation or storage area?

• NEVER

• In Ms. Bramlett’s lab, how many people may be at the sink at any time?

• No more than three

• If you don’t understand the lab instructions, what should you do?

• Ask Ms. Bramlett for help by raising your hand. Do not turn around ask other students for assistance.

• Are all chemicals in the lab considered to be dangerous?

• YES, although not all chemicals are dangerous, you should consider them all to be dangerous.

• What is the best way to clean up broken glass?

• Do not pick up with your bare hands, instead use a broom and dustpan.