Why is it important to know the names and appearance of lab equipment before doing laboratory work?
So you will score higher on the lab test.
So you can quickly obtain your laboratory supplies before lab.
So you can follow the lab instructions clearly.
So you can make sure everything has been cleaned before beginning the lab procedure.
What is the correct procedure to follow when smelling the odour of a chemical substance?
Fan your hand over the substance toward your nose which should be directly over the beaker.
Place your nose directly over the substance and take a big whiff.
Fan your hand over the substance toward your nose which should be several centimetres away from the substance.
Place your nose near the opening of the beaker and inhale.
Which of the following is NOT a safe lab practice?
Keep chemicals, glassware, and other equipment away from the edge of the lab table.
Report minor accidents to your lab supervisor and/or teacher.
After removing glassware from a heat source touch it right away to see if it is cool.
Heat chemicals in a flask without a stopper
Which of the following does NOT help explain why contact lenses should not be worn in lab?
It is difficult to remove lenses after a chemical splash
The lens is permeable to vapours, which cause irritation
Chemicals trapped under lens will cause severe damage
That boy or girl you are trying to get to see you cannot tell the colour of your eyes.
Which of the following is considered safety equipment in our classroom?
Eyewash station
First aid kit
Fire extinguisher
all of the above
What is the correct procedure for students to follow if a chemical is spilt?
Stand back and advise the teacher of the spill
Run madly about the room.
Splash large amounts of water onto the spill.
Tell everyone that your friend did it and that "Ooooh, they are in BIG trouble!".
I can perform an experiment of my own when:
When I am sure it is safe to do so.
Whenever I want to.
Only with permission from the teacher.
Never.
Keeping the work area neat and clean is important because:
My teacher is a neat-freak
I won't lose my supplies in the clutter.
It keeps the room from looking messy.
It helps prevent accident
If you are not sure what to do during a lab activity:
Guess.
Change lab partners.
Ask the teacher.
Just sit quietly and do nothing.
Goggle/ safety glasses and lab coats must be worn when using
Fire.
Glassware.
Chemicals.
All of the above.
None of the above.
I can eat in the classroom:
I want to.
You should tie back long hair remove loose clothes (scarves)or flammable jackets when:
Working near fire.
Using chemicals in the lab.
Trying to impress a friend.
A and B
A and B and C
You should make sure that equipment is clean:
Before you use it
After you use it
Cleanliness doesn't matter
Both A and B
A,B and C
A pipette is a slender tube attached to or incorporating a bulb, for transferring or measuring out small quantities of liquid, especially in a laboratory. Which of the following statements is correct about pipetting by mouth?
Always - it is a fast and efficient method for transferring liquids
Only when you can't find a pipette bulb or you think it might be dirty
Only when you are sure that the teacher, your lab partner or the principal aren't looking
Never - and if you thought yes to any other choice you should never be allowed in a lab
In the lab, sharp object should be carried:
With the point facing out in front
with the point down and away from the body
with the point covered up by your hand
so that the point will give your lab partner a pretty good jab
What should you do with any left over chemicals at the end of a lab session
Put them back in the jar it came from
pour it down the sink
check with the teacher
mix them all together
If you get chemicals in your eyes, you should flush them with water for:
Less than 10 minutes
10-15 minutes
about 15-20 minutes
more than 25 minutes
You should wash your hands after
Touching a plant in the classroom
handling one of the class pets
Working with chemicals
To put out a fire in a person's hair or clothes, use:
a fire blanket
a handy chemical
the wind from running around the room
a fire extinguisher
Helping to clean up the lab or classroom is the job of:
the older students
the lab tech
the teacher
each and every student
Disturbing other students in the laboratory or class with horseplay (mucking around) is:
helpful
poor manners
dangerous
the quickest way to do the job
The most important thing in laboratory experiments is:
getting it done first
getting the answer right
safety
penmenship
During the heating of a liquid in a test tube, you should
point the test tube towards others
point the test tube away from any person
place the test tube vertically up
place the test tube so that you can see its top
which is the correct sequence to light up a bunsen burner
light the match --> light the gas --> open air hole --> turn gas on --> close air hole
turn on gas --> light up gas --> close air hole --> light match --> open air hole
turn on gas --> close air hole --> light match --> open air hole --> light gas
close air hole --> light match --> turn on gas --> light gas --> open air hole
