Lab safety

At Harold Peterson Safety is paramount

Look around

• Point to the fire exit .• Locate the eye wash.• Is there a fire extinguisher?• Where are the functioning sinks ? • Do the gas taps work ? • Do the sinks at your station work ? • Where are the electrical outlets ? • Where can you store your books ? • Where are the garbage cans? • Where are beakers, test tubes, and supplies located? Can

students enter ?

Labs with Mrs. Guilfoyle

• Always wait outside the door, until the teacher arrives.

• We don’t have lab coats, but covered shoes and long hair tied back are recommended.

• Safety goggles will be provided when lab work has heat or chemicals.

Turn to page 492 in text

• Read over the symbols for safety.

• Look around the room. Are any present ?

Quiz time number your page 1 to 10, name on. Write a, b, c , d on loose leaf to indicate your answers

• 1) Why is it important to know the names and appearance of lab equipment before doing laboratory work?

• A. So you will score higher on the lab test.

•

• B. So you can quickly obtain your laboratory supplies before lab.

• C. So you can follow the lab instructions clearly.

• D. So you can make sure everything has been cleaned before beginning the lab procedure.

• 2) What is the correct procedure to follow when smelling the odor of a chemical substance?

• A. Fan your hand over the substance toward your nose which should be directly over the beaker.

• B. Place your nose directly over the substance and take a big whiff.

• C. Fan your hand over the substance toward your nose which should be several centimeters away from the substance.

• D. Place your nose near the opening of the beaker and inhale

Quiz time• 3)Which of the following is

considered safety equipment in our classroom?

• A. Eyewash station

• B. First aid kit

• C. Fire extinguisher

• D. All of the above

• E. A and B only

• 4) What is the correct procedure for students to follow if a chemical is spilled:

• A. Stand back and advise the teacher of the spill.

• B. Run madly about the room.

• C. Splash large amounts of water onto the spill.

• D. Immediately ask to go to the restroom.

• E. Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!".

Quiz time• 5) I can perform an experiment

of my own when:

• A. When I am sure it is safe to do so.

• B. Whenever I want to.

• C. Only with permission from the teacher.

• D. Never.

• 6) Keeping the work area neat and clean is important because:

• A. Mrs. G is a neat-freak

• B. I won't lose my supplies in the clutter.

• C. It keeps the room from looking messy.

• D. It helps prevent accidents

Quiz• 7) Disturbing other students in

the laboratory with horseplay in the lab is:

• A. Helpful.

• B. Poor manners.

• C. Dangerous.

• D. The quickest way to do a job.

• 8) The most important thing in laboratory experiments is

• A. Getting done first.

• B. Getting the answer right.

• C. Safety.

• D. Penmanship.

Quiz last two questions

• 9) A spill can cause an accident. Clean up a spill:

• A. When you have time.

• B. After the teacher has told you 3 or more times.

• C. At the end of the lab.

• D. Immediately.

• 10)if you break glass such as a test tube…

• A) leave it and tell the teacher at the end of the lab.

• B) be responsible and clean it up yourself.

• C) blame the group next to you.

• D) don’t’ touch it and tell the teacher immediately.

What’s wrong?

What’s wrong with this picture ?

What’s wrong with these statements ?

• Hal says that his teacher is solely responsible for preventing laboratory accidents.

• Keshia started the lab activity before reading it through completely.

• Ricardo decided to do a lab activity that he read about in a library book before the teacher came into the classroom.

• Stephanie says that the safety goggles mess up her hair and give her raccoon eyes. She refuses to wear them.

• Barbie and Ken accidentally break a beaker full of some chemical. Instead of risking getting in trouble they quickly clean up the mess with paper towel and throw it in the garbage.

Time left ?

• Work with a partner to create a lab safety poster.

• Be colourful, neat, few words, simple pictures• Put your names on the poster ! • This will be due next class.