WorksheetsLab Safety, Equipment Use
Total questions: 79
Worksheet time: 39mins
Which piece of equipment would be used to measure our 30 mL of water?
graduated cylinder
triple beam balance
test tube
pipette
Which piece of lab equipment is used to spread the heat of a flame so that substances heat evenly in a beaker or flask?
flint striker
ring stand
iron ring
wire gauze
Which piece of lab equipment is use to point out small structures during a dissection?
probe
t-pins
scalpel
pipette
Which piece of lab equipment is used to grind up plant parts?
tongs
erlenmeyer flask
mortar and pestle
wire gauze
Which piece of lab equipment would be used to pick up small chemical pellets that should not come in contact with the skin?
forceps
pipette
probe
tongs
Which piece of equipment is shown in the picture?
tongs
test tube clamp
pipette
flint striker
Which piece of lab equipment is shown in the picture?
graduated cylinder
test tube
beaker
pipette
Which of the following should be done when heating something over an open flame?
The container should be sealed.
Long hair should be tied back.
You should look into the container to monitor activity.
Which of the following is the proper way to attempt to determine the identity of an unknown substance?
Put the substance close to your nose and sniff it.
Taste a very small amount of it.
Put a small amount on your skin and see if it burns.
Waft it toward your nose.
In which scenario would you see this symbol?
When using a hot plate to heat a flask of water
When using chemical that could stain your skin or clothing
When using a corrosive chemical that could burn the skin
When working with a highly flammable substance, such as acetone
Which piece of lab equipment is shown in the picture?
beakers
flasks
test tubes
graduated cylinders
Approved eye protection devices (such as goggles) are worn in the laboratory
to avoid eye strain
to improve your vision
only if you don't have corrective glasses
any time chemicals, heat, or glassware is used
Flammable materials, like alcohol, should never be dispensed or used near
an open door
an open flame
another student
a sink
If you do not understand a direction or part of a lab procedure, you should
figure it out as you do the lab
try several methods until something works
ask the instructor before proceeding
skip it and go on to the next part
You are heating a piece of glass and now want to pick it up. You should
use a rag or paper towels
pick up the end that looks cooler
use tongs
pour cold water onit
You have been injured in the laboratory (cut, burn, etc.). First you should
visit the school nurse after class
see the doctor after school
tell the science instructor at once
apply first aid yourself
Personal eyeglasses provide as much protection a
a face shield
safety glasses
splashproof chemical goggles
none of the above
The following footwear is the best in the laboratory
sandals
open-toed shoes
closed-toe shoes
shoes appropriate for the weather
Horseplay or practical jokes in the laboratory are
always against the rules
okay
not dangerous
okay if you are working alone
If a piece of equipment is not working properly, stop, turn it off, and tell
the custodian
your lab partner
your best friend in the class
the science instructor
When you finish working with chemicals, biological specimens, and other lab substances, always
treat your hands with skin lotion
wash your hands thoroughly with soap and water
wipe your hands on a towel
wipe your hands on your clothes
True or False: Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
True
False
True or False: Never remove chemicals or other equipment from the laboratory.
True
False
True or False: Read all procedures thoroughly before entering the laboratory
True
False
True or False: It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
True
False
True or False: Work areas should be kept clean and tidy.
True
False
True or False: Chipped or cracked glassware is okay to use.
True
False
When removing the plug from a socket,
after washing your hands, unplug the cord.
grab the cord and jerk it out of the wall
grasp the plug
After you finish heating glass,
place it on the desk.
rinse the glass to cool it off.
place it on an insulation pad.
When it comes to glassware...
don't use it if it's chipped/cracked
don't pick it up if it breaks (let the teacher do it)
dispose of it in the correct container
all of the above
Never work without...
good music
a buddy
adult supervision
a snack
During lab, what do you do first?
read all directions
wash your hands
gather your materials
get the fire extinguisher
Eating, drinking, or chewing gum in the experimental work area is...
okay, as long as you share
allowed once you've cleaned up
encouraged
forbidden
Should make-up be applied during lab?
No, the goggles cover your eyes anyway
No, you should keep things away from your face, eyes, and mouth when using chemicals/specimens in lab
Yes, when you look good, you feel good
Yes, it's another barrier to protect you from chemicals
When preparing for lab, you should...
tie back long hair
not wear baggy clothes
wear closed-toe shoes
watch the Marvel movies so you know what superpowers to expect if you mess anything up
When observing chemicals...
never taste them
waft odors toward you
directly inhale them
lick them
When it comes to sharp objects...
carry them with the sharp edge down
toss them to your lab partner
do not try to catch them if they fall
carry them in your mouth
Never leave ___ unattended.
a dissected pig
a test tube
an active heat source
a freshman
Never take ___ out of the lab without the knowledge AND consent of your science teacher.
chemicals
supplies
equipment
lab reports
Lab waste materials can only poured down the drain, if
you use a lot of water to wash them down.
It is never ok to pour stuff down the drain.
the teacher gives you permission to do so.
they are clear liquids.
Lab is the place where
horses play.
horseplay is not allowed.
horseplay is sometimes allowed.
horseplay is required to pass the class.
Before starting an experiment,
we read the instructions carefully, so we know what we are supposed to do.
we jump right in to get it over with.
we quickly skim the instructions to not waste any time.
Mrs. Ingram is going to read the instructions to us.
When I come into the classroom and see lab materials set up on the table,
I will go ahead and get started, so we can get done with the lab more quickly.
I will prank everyone and switch stuff around between tables.
I will not touch anything until I am told to do so.
I will clean them up, because Mrs. Ingram probably just forgot to do it.
If a lab experiment is not completed, you should
discuss options with your instructor
keep working after the bell to finish up
sneak in after school and work alone
come in during lunch and work while finishing your lunch
You are heating a substance in a test tube. Always point the open end of the tube
toward yourself
toward your lab partner
toward another classmate
away from all people
Horseplay or practical jokes in the laboratory are
always against the rules
OK
Acceptable if you are working alone
Not a big problem as long as there are no injuries
If an acid is splashed on your skin, wash at once with
soap
oil
another, weaker acid
plenty of water
When you finish working with chemicals, biological specimens, and other lab substances, always
treat your hands with lotion
wash your hands with soap and water
wipe your hands with a cleansing wipe
dry your hands with a paper towel
You are allowed to enter the chemical storage area any time you need to get an item
true
false
When pouring chemicals between containers you should hold the containers over
the floor
a water fountain
a student's desk
over a lab sink or lab table
What is the volume of the liquid?
45 mL
36 mL
30.5 mL
35 mL
What is the length of the object?
5 in.
50 cm
5 cm
5.5 cm
Identify the piece of lab equipment seen in the image.
Flask
Graduated Cylinder
Beaker
Test Tube
