If you obtain too much of a chemical, you should

follow the teachers instructions of where to dispose waste

Which is FALSE about Mr. Switzer's class?

Late homework is always 50% off

What is the purpose of a graduated cylinder?

to measure the volume of a liquid

When heating an open test tube

point it away from yourself and others

Which IS NOT a lab safety rule?

Smell chemicals in order to identify them.

You have been injured in the laboratory (cut, burn, etc.). First you should

tell the science instructor at once.

What is TRUE about Mr. Switzer's class?

this is considered a "college prep" class

If you do not understand a direction or part of a lab procedure, you should

ask the instructor before proceeding.

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Lab Safety and first Days of Schools HChem

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Lab Safety Review

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Questions 36

Answers

1
If you obtain too much of a chemical, you should
put it in the garbage
always return it to the original container
pour it on the lab table
follow the teachers instructions of where to dispose waste
2
What percentage of your grade is homework?
10%
90%
25%
5%
3
Why did the fire in the bottle stop even though fuel remained in the bottom?
evaporation
the fire ran out of oxygen
water was produced
the bottle was cracked
4
Name the lab equipment:
weigh station
triple beam balance
weigh boat
digital balance
5
Which is FALSE about Mr. Switzer's class?
Late homework is always 50% off
100%, 50%, and 0% are the only 3 scores you can get for HW
You will have 4 major tests every semester
You need to have you iPad everyday
6
What is the purpose of a graduated cylinder?
to make the water look pretty
to measure the volume of a liquid
to make water boil evenly
a piece of equipment that will help me graduate
7
When heating an open test tube
put a stopper in the top of the test tube
hold it in your hand
point it away from yourself and others
place it in the flame in the coolest portion
8
What happened to the liquid that was poured into the bottle?
it boiled
it condensed
it evaporated
it became humid
9
What is something that can help you get a high grade in chemistry?
all of these
homework recovery options
test retakes
come to after school study sessions
10
You should never leave this item unattended
the hood
a digital balance
a light source
a Bunsen burner
11
Which IS NOT a lab safety rule?
Make sure long hair is pulled back.
Make sure chairs are pushed in during lab.
Goggles must be worn whenever glassware is used.
Smell chemicals in order to identify them.
12
Where is the fire safety blanket?
In the back corner of the room by the drying rack
Under the flag
next to the pencil sharpener
to the left of the teacher's desk
13
Name the lab equipment:
watch glass
funnel
microplate
pipette
14
Before using a chemical
look at the color
read the label
research its use
check for an odor
15
Horseplay or practical jokes in the laboratory are
okay.
okay if you are working alone.
always against the rules.
not dangerous
16
Name the equipment in the picture.
Thermometer
Beaker
Erlenmeyer flask
Crucible
17
If a piece of equipment is not working properly, stop, turn it off, and tell
the custodian
the instructor
your lab partner
your best friend
18
If an acid is splashed on your skin, wash at once with
water
soap
weak base
oil
19
When entering the lab, the first thing you should put on is/are your
apron
shoes
gloves
goggles
20
Eating is
allowed during most lab activities.
acceptable in the lab.
never acceptable in the lab.
acceptable as long as the teacher does not see.
21
Name the lab equipment:
ring stand
crucible tongs
test tube holder
beaker tongs
22
You have been injured in the laboratory (cut, burn, etc.). First you should
tell the science instructor at once.
visit the school nurse after class
see a doctor after school.
apply first aid yourself.
23
What is TRUE about Mr. Switzer's class?
all of these
You need to bring a calculator everyday
this is considered a "college prep" class
You will do a lab activity every couple weeks
24
When gathering glassware and equipment for an experiment, you should
read all directions carefully know what equipment is needed
all of these
clean any glassware that appears dirty.
examine all glassware to check for chips or cracks.
25
Name the lab equipment:
flask
beaker
crucible
graduated cylinder
26
Hot glass looks the same as cold glass.
True
False
27
If you do not understand a direction or part of a lab procedure, you should
skip it and go on to the next part.
figure it out as you do the lab.
try several methods until something works
ask the instructor before proceeding.
28
Name the lab equipment:
motar and pestle
crucible and cover
evaporating dish
test tube
29
Which IS NOT a topic we will study this year?
genetics
stoichiometry
types of matter
gas laws
30
You are allowed to enter the chemical preparation/storage area any time to get an item.
False
True
31
Before pumping gas an adult should always....
all of these
put out his/her cigarette
turn off the ignition
turn off their cell phone
32
What do we know about the liquid poured into the bottle?
it is flammable
it will condense
60 mL
it has static electricity
33
When are test retakes?
in class a week or so after the test
depends on the student
during your lunch or study
after school
34
It’s okay to pick up broken glass with your bare hands as long as it is placed in the trash.
False
True
35
Name the lab equipment:
reaction plates
utility clamp
ring stand
watch glass
36
What was put at the bottom of the bottle?
water
carbon dioxide
an unknown fuel-substitute
gasoline

Lab Safety and first Days of Schools HChem Flashcards | StudBud