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Lab safety management
Transcript of Lab safety management
What potential hazards does your substance pose?
What type(s) of personal protective equipment (PPE) is/are recommended when handling your substance?
What basic first aid do you need to be aware of before using your substance in the lab?
How should your substance be disposed?
Note any words or acronyms used in the MSDS with which you are not familiar.
MSDS Guiding Questions
Science in Motion Safety Video Bloopers
A montage of four famous scientists’ notebooks is displayed on the next
What are the types of information recorded in these pages?
Record one idea per sticky note.
An art form consisting of putting together or assembling various smaller pictures to create a larger work.
- Reference: http://en.wiktionary.org/wiki/montage
Famous Scientists’ Notebooks Montage
Sign both copies of the contract.
Take one home for your parent to read, sign, and return.
Affix the second copy in your science notebook.
Be sure to include an entry in your Table of Contents.
Safety Contract Task
American electrical engineer
Invented many of the circuits used in radio, radar, and television
Inventor of modern frequency modulation (FM) radio
Edwin Howard Armstrong (1890-1954)
First famous woman scientist in the modern world
Received Nobel Prizes in both Chemistry and Physics
Coined the term radioactivity
Her notebooks are still so radioactive that they cannot be handled without special PPE.
Marie Curie (1867-1934)
Safety in the Chemistry Laboratory and Creating the Science Notebook
What to do with the stuff on your desk
1. The manila folder- write your name neatly! on the tab and take everything out of it. Then stack them on your table
2. The colored folder- write your name on it and keep it, its yours to keep your chemistry stuff in. You will put your paperwork in it today
3. safety contract - read it and sign it. Take it home and let a gaurdian sign it, then bring it back
4. My info. keep it in your folder
5. The notecard- write your name neatly at the top of the lined side. Then flip it over. You are going to make 36 boxes, so six rows and six columns that take up your whole card. When you have done this, stack all of the ones at your table by the manila folders.
6. 4th period has more stuff. I will explain this.
7. As the guardian email sheet is passed around, write a gaurdians email address. I will be using email so that I don't have to make them mad by calling.... If you don't know it, find out tonite. This and your paperwork are part of the supplies contest.
8. When your are done with this, get a postit and make a note for yourself of what you need for my class:
1. Let burners and hotplates cool down before touching them. Test to see if they are cool enough by bringing the back of your hand close to them.
2. Use tongs and/or protective gloves to handle hot objects.
3. Never reach across an open flame or burner.
Injury: Electrical shock
What To Do: Shut off the current at the source. Remove wire with rubber gloves. Alert the teacher immediately.
Injury: Spills on the skin
What To Do: Flush with large quantities of water. For acid spills, apply baking soda solution. For base spills, apply vinegar or boric acid.
To Do: Provide fresh air and have the person recline so that their head is lower than the rest of their body.
What To Do: Immediately flush with cold water until burning sensation is lessened.
4. Pour down a glass stirring rod to prevent liquids from splattering.
5. If a piece of glassware gets broken, do not try to clean it up by yourself. Notify the teacher.
6. When inserting glass tubing into a rubber stopper, apply a lubricant like glycerin to the glass and use a twisting motion.
1. Chipped or cracked glassware should not be used. Show it to the teacher.
2. Broken glassware should not be disposed of in a classroom trashcan. There is a special glass disposal container for it.
3. When pouring liquids into glassware, make sure the container you are pouring into is resting on a table at least a hands breadth from the edge.
1. Listen to or read instructions carefully before attempting to do anything.
2. Wear safety goggles to protect your eyes from chemicals, heated materials, or things that might be able to shatter.
3. Notify your teacher if any spills or accidents occur.
General Safety Rules
What To Do: Find out what substance was responsible for the poisoning and alert the teacher immediately.
What To Do: Flush eyes immediately with plenty of water for several minutes. If a foreign object is lodged in the eye, do not allow the eye to be rubbed.
Injury: Cuts, bruises
What To Do: Do not touch an open wound without safety gloves. Pressing directly on minor cuts will stop bleeding in a few minutes. Apply cold compress to bruises to reduce swelling.
9. When lighting a burner, wait until the striker is in place before you turn on the gas.
10. The amount of air can be adjusted by the air supply valve below the tube of the burner. This regulates the flame temperature and color.
11. Never leave a burner or hotplate unattended.
4. Unplug cords by pulling the plug and not the cord.
5. Unplug all electrical equipment at the end of the lab period. Unless told otherwise
6. Follow the instructions of your teacher when disposing of all chemicals. Do not assume it goes down the sink
7. Wash your hands after handling hazardous chemicals.
7. Do not place hot glassware in water. Rapid cooling may make it shatter.
10. It is suggested that you wear glasses rather than contact lenses.
11. Never put anything into your mouth during a lab experiment. This includes water
12. Clean up your lab area at the conclusion of the laboratory period.
13. Never “horse around” or play practical jokes in the laboratory.
General Safety Rules
7. Roll up loose sleeves.
8. Know the location of the fire extinguisher, fire blanket, eyewash station, and first aid kit.
9. Keep your work area uncluttered. Take to the lab station only what is necessary. All purses, bags, jackets, etc are to be kept on the back counter.
General Safety Rules
7. Only glassware that is thoroughly dry should be heated.
8. Heat glassware by placing it on a wire gauze platform on a ring stand. Do not hold it in your hand.
4. The only type of glassware that may safely be heated is either Kimax or Pyrex.
5. Always point the top ends of test tubes that are being heated away from people.
6. When heating a test tube, move it around slowly over the flame to distribute the heat evenly.
1. Lay electrical cords where no one can trip on them or get caught in them.
2. Be sure your hands and your lab area are dry before using electrical equipment.
Never poke anything into electrical outlets or gas
4. If you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.
5. Never pour water into a concentrated acid. Acid should be poured slowly into water.
1. Wear protective goggles and a lab apron whenever heating or pouring hazardous chemicals.
2. Never mix chemicals together unless you are told to do so (and then only in the manner specified).
3. Never taste any chemicals (you should never taste anything in the lab).
4. After handling chemicals, always wash your hands with soap and water.
5. During lab work, keep your hands away from your face.
6. Tie back long hair.
General Safety Rules
Common lab safety symbols
and their meanings.
lAB SAFETY WORKSHEET
You will need to get your journal and a bellringer. Complete the bellringer and stack on your table
Answer these on the
back of your worksheet in comple sentances.
You are going to look over the MSDS paperwork with your group and answer the questions on the worksheet. The following slide will have the additional questions
A MSDS (Material Safety Data Sheet) is used to provide
information a person may need when working with a chemical. They are required in all labs and work areas where chemicals are used.
Turn in your lab safety contracts on the front lab table
If you have money or class supply, get it out and I will come by to get it.
get a piece of paper and write down every lab SAFETY item you can find in the room.
you will be in groups
each group gets multiple notecards and one poster
Do not write on the notecards
the topics are in section d of the discipline supplement
The first group needs to make sure they write all topics on their poster
you may do drawings, words, ideas, questions..... do NOT write word for word from the book
pass to the right at time, even if you are mid drawing or sentence
make it colorful and interesting
when you get a new poster, add to their ideas, NOT YOUR NOTECARD TOPICS
When told to do so, get out your phones. If you are caught on any site or place on your phone other than the ones instructed, you will not be allowed to have your phone for any reason for the rest of the six weeks, and your phone will be taken to the house principals' office.
You need to go to your app store and download the free edmodo app
after downloading, open the app and create an account.
after the account is created, log in and go to join groups. You will be asked for a code.....
We are going to set up your edmodo accounts.
If you don't have a phone, take notes, and you
can set up an account online by going to the edmodo
website. Make sure you write down the code for your class
Lab notebook set up:
Write this in pen, pencil, or map color, NOT MARKER
open your lab notebook to the first page.
do not write anything on this page
turn to the next page
If your notebook is open, you will use the page on the right
On the top line, neatly write "table of contents"
turn the page again and write a small 1 on the bottom corner of the right side page. This is page one. You will number your pages every time you use them, but do not do this ahead. sometimes a page may be ripped out or messed up.
I will show you where your spirals should be kept. They are to stay there, no where else. It should almost never go home with you. You are responsible for having it everyday.
9-4: do the following IN ORDER
Get the three papers by the door
get your journal
complete the multiple choice paper and turn in (there is a time limit on this after which it will be late work and points taken off)
Fill in the hot paper with ALL FOUR of the questions....not answers
Cut out the metric graph and cut one strip of the sig fig rules paper on your table
throw your trash away
lab safety quiz
we are going to look at lab equipment. Take note of anything I tell you about it. You are responsible for any information as well as recognizing the equipment. Your test over this will be practical ( I will hold up the equipment and you will write the name. If you want to take notes in your lab notebook, you may, just remember to log the page in the table of contents as "lab equipment notes
I will be grading the lab journal at many points throughout the year. We will use the lab journal for some warmups, notes, charts, vocabulary, and lab reports. Each item will have its own rules, but some rules go for almost every activity.... The following will be written on page 1 in your journal. Make sure to log it it your table of contents as basic rules. We may add to these rules later. On the top line of page one write "Basic Rules"
Write in complete sentences
The question should be clear when reading the answer unless the question is with it.
Use correct grammar... capitalize, use punctuation, paragraphs when needed etc
Write as neatly as possible, if it can't be read, it can't be graded
If it is given to you in a certain form, use that form. Organization is important
We are going to do a short review of the metric system significant figures.
First, cut the two journal pages so that both will fit in your journal on the same page.
Turn to page 2 and write the two at the bottom.
For the title write metrics/sigfig rules.
Go to the table of contents and add your title.
Turn back to page two and, using very little glue, attach both of your cut sheets.
Label page 3, and write "metrics and sigfig examples" on the title line. Be sure to add page 3 to your table of contents. We are going to work some problems together. You need to write everything I write on this page. If you need to go on to the next page, do so and label that page four. The title for that page will be "Metrics and sigfig continued". you will NOT need to log that in your table of contents
Get out your notebooks and get the papers by the door.
turn to the next available page and label it "Murder" and record the page in the table of contents
Turn in your to the lab from Friday so that I can come check. If it is not ready for me to see when I come by, it is a zero
Copy all 5 hot questions off the board
check your grades. You will have until wednesday at the beginning of class to fix any zeros. I will then send home parent letters and red catch up will be assigned for Next Monday. the asteriks must be fixed by Next wednesday or red catch up will be assigned.
begin catching up your journal if you are behind
if not, begin reading the poll and lab information
TURN IN YOUR POLL SHEET RIGHT NOW!!!
Get your journal and your lab papers out
get your supplies ready for your lab
Label the next page in your journal "Vocabulary" (put in table of contents too)
Copy the following terms in your lab journal, underline the term:
Accuracy: How close your results are to the correct answer or known
Precision: How close your results are to each other
Draw and label this
under your definitions
- uses numbers
write three examples of qualitative and quantitative
- the variable
that is manipulated in an experiment
(the cause) It is what you change and there should only be one
- The variable that
the independent variable changes (the effect)
- the variable that is held constant for comparison with the independent variable.
Turn in your lab reports NOW. I will take up the folder soon
Get your journal, your poll questions, and two colored pieces of paper
open your journal to the next available page and title it "charts and graphs"
go to the table of contents and add the charts and graphs page, leave your table of contents open where I can see it and make sure it is up to date
dont forget to sign up for my teens make a difference team!
don't forget HOT due tomorrow. I will take of 10 points for each incomplete sentance!
Write the following in your lab book on the charts and graphs page as we go through the information.
How to make a bar graph:
1. Use the data from the table to choose the right scale. All scales start at 0.
2. Draw and label the scale on the vertical axis. (Vertical means "up and down.")
3. Draw and label the horizontal axis. (Horizontal means "across.")
4. List the name of each item.
5. Draw vertical bars to represent each number.
6. Title the graph.
To go from a bar graph to a pie chart:
First you have to change the numbers to percentages
Step 1: How many total people completed the survey? (50)
Step 2: How many students picked choice 1? (10)
Step 3: Write the result as a fraction? (10/50)
Step 4: Solve the fraction using a calculator. (.02)
Step 5: Change the fraction to a percent. (.02 x 100 = 20%)
If it is a fraction, round. Your total should be 100 percent
make a circle and draw pie pieces that represent the percentages you got.
inside each pie piece, put the percentage and the category that piece represents
to the side of the circle, draw a legend that tells what category each pie piece represents. It should be color coded
Title your paper
you will now turn your poll questions from yesterday into a bar graph and pie chart.
one graph on each piece of colored paper.
they must be large and colorful and neatness counts!
Both must be titled and have your name and period on the front
make sure you include all of the correct numbers and labels.
remember to convert to percent for the pie chart
they are due during class and will be counted late after
when you turn them in, I need the two charts and the poll data paper all stapled together