safety test

1.

1 point

Pipets are used to measure and dispense small
amounts of liquids. You should draw the liquid
into the pipet using your mouth

True

False

2.

1 point

Never remove chemicals or other equipment
from the laboratory

True

False

3.

1 point

Approved eye protection devices (such as goggles) are
worn in the laboratory

only if you don't have glasses

to improve your vision

any time chemicals, glassware, or heat is used

to avoid eye strain

4.

1 point

You are heating a piece of glass and now want to pick it
up. You should

use tongs

pick up the end that looks cooler.

pour cold water on it

use a rag or paper towels

5.

1 point

Horseplay or practical jokes in the laboratory are

always against the rules

cool

ok if alone

not dangerous

6.

1 point

The following footwear is
best
in the laboratory.

flip flops

crocks

closed toed shoes

sandels

7.

1 point

Personal eyeglasses provide as much protection as

a face shield

safety glasses

splashproof chemical goggles

none of the above

8.

1 point

Laboratory work can be started immediately
upon entering the laboratory even if the
instructor is not yet present.

True

False

9.

1 point

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

apply first aid yourself

tell the science instructor at once.

see a doctor after school

visit the school nurse after class

10.

1 point

Read all procedures thoroughly before entering
the laboratory

True

False

11.

1 point

You want to place a piece of glass tubing into a rubber
stopper after the tubing has been fire polished and
cooled. This is best done by

lubricating the tubing with water or glycerin

using a towel or cotton gloves for protection

twisting the tubing and stopper carefully

all of the above

12.

1 point

If an acid is splashed on your skin, wash at once with

lots of water

mud

soap

a weak base

13.

1 point

If a lab experiment is not completed, you should

discuss the issue with your instructor.

come in during lunch and finish while eating lunch

sneak in after school and work alone.

make up some results

14.

1 point

All unauthorized experiments are prohibited.

True

False

15.

1 point

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

figure it out as you do the lab

ask the instructor before proceeding.

try several methods until something works

skip it and go on to the next part

16.

1 point

It’s okay to pick up broken glass with your bare
hands as long as the glass is placed in the trash.

True

False

17.

1 point

When you finish working with chemicals, biological
specimens, and other lab substances, always

wipe your hands on a towel

treat your hands with skin lotion

wash your hands thoroughly with soap and water

wipe your hands on your clothes

18.

1 point

If you wear contact lenses in the school laboratory,

take them out before starting the lab.

keep the information to yourself

advise your science instructor that you wear contact lenses

you do not have to wear protective goggles

19.

1 point

You are allowed to enter the chemical
preparation/storage area any time you need to
get an item.

True

False

20.

1 point

In a laboratory, the following should not be worn

loose clothing

dangling jewelry

sandals

none of the above

21.

1 point

Never leave a lit burner unattended

True

False

22.

1 point

Work areas should be kept clean and tidy.

True

False

23.

1 point

Return all unused chemicals to their original
containers.

True

False

24.

1 point

Laboratory aprons should be worn during all
lab activities

True

False

25.

1 point

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.

26.

1 point

2. If a laboratory fire erupts, immediately

run for the fire extinguisher

notify your instructor

open the window

throw water on fire

27.

1 point

Long hair in the laboratory must be

cut

tied back or kept entirely out of the way with a hair band, hairpins, or other confining device

held away from the experiment with one hand

always neatly groomed

28.

1 point

All chemicals in the lab are to be considered
dangerous.

True

False

29.

1 point

After completing an experiment, all chemical wastes
should be

taken home

left at your lab station for the next class.

disposed of according to your instructor’s directions

dumped in the sink

30.

1 point

When gathering glassware and equipment for an
experiment, you should

read all directions carefully to know what equipment is necessary.

examine all glassware to check for chips or cracks

clean any glassware that appears dirty

all of the above

31.

1 point

Hot glass looks the same as cold glass

True

False

32.

1 point

Chipped or cracked glassware is okay to use

True

False

33.

1 point

1. Flammable materials, like alcohol, should never be
dispensed or used near

an open flame

an open door

another student

a sink

34.

1 point

You are heating a substance in a test tube. Always point
the open end of the tube

toward another classmate

away from all people

toward yourself

toward your lab partner