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1.2 Your science laboratory (science Kssm f1 DLP)

Total questions: 47

Worksheet time: 35mins

Name
Class
Date
1.
What is the hazard shown in this hazard sign?
a)
Fireworks
b)
Broken Glass
c)
Explosive
d)
Corrosive
2.

Where do you dispose broken glassware?

a)

Normal waste bin

b)

Chemical waste container

c)

Waste bin located on the student's bench

d)

Broken glassware bin

3.

Why is it important to know the names and appearances of lab equipment before doing laboratory work?

a)

So you will score higher on the lab test

b)

So you will quickly obtain your lab supplied before lab lesson starts

c)

So you can follow the lab instructions clearly

d)

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

4.

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

a)

Use your cupped hand, waft over the substance towards your nose which should be directly over the beaker.

b)

Place your nose directly and take a big whiff.

c)

Use your cupped hand, waft over the substance towards your nose which should be several centimetres away.

5.

What is the correct procedure for students to follow if a chemical is spilled?

a)

Stand back and inform the teacher of the spill.

b)

Run madly around the lab.

c)

Splash large amounts of water onto the spill.

d)

Tell everyone that your friend did it, and then 'Oooh, they are in BIG trouble!'

6.

Keeping the work area neat and clean is important because

a)

The teachers are neat-freak.

b)

I will not lose my chemicals and apparatus in the clutter.

c)

It keeps the room from looking messy.

d)

It helps to prevent accidents.

7.

Safety goggles must be worn when

a)

heating is involved in the experiment

b)

using glassware apparatus

c)

using chemicals

d)

all of the above

8.

If you get chemicals in your eyes, you should flush them with water for at least

a)

less than 15 minutes

b)

10 to 15 minutes

c)

about 15 to 20 minutes

d)

more than 25 minutes

9.

You should wash your hands after

a)

every lab practical lesson

b)

you accidentally spill chemical onto your hand

c)

there is no need for washing of hands

d)

both option 1 and 2

10.

Ensuring the science lab is in clean and tidy state is the duty of

a)

my lab partner

b)

my seniors

c)

the teacher and the cleaners

d)

each and everyone of us

11.
________ means dangerous.
a)
Corrosive
b)
Hazardous
c)
Toxic
12.
__________ means capable of eating away materials and destroying living tissue when contact occurs. Examples include drain cleaners, oven cleaners and lye.
a)
Corrosive
b)
Irritant
c)
Toxic
13.
__________ capable of burning or causing fire. Examples: paint thinners, solvents, adhesives.
a)
Flammable
b)
Hazardous
c)
Toxic
14.
_______________ means poisonous. Examples: brake fluids, insecticides, etc.
a)
Corrosive
b)
Irritant
c)
Toxic
15.
___________ means being affected by something or experiencing something.
a)
Exposure
b)
Inhalation
c)
Dermal
16.
Identify the equipment shown here:
a)
beakers
b)
flasks
c)
decanters
d)
measuring cylinders
17.
Identify the equipment shown here:
a)
crucible
b)
evaporating dish
c)
mortar and pestle
d)
bowl
18.

Test tubes are made of

a)

glass

b)

pyrex glass

c)

none

19.

Test tube holder are used to

a)

hold test tube

b)

hold test tubes while they are heated up

c)

none

20.
What is this?
a)
Beaker
b)
Test tube
c)
Cylinder
d)
Dropper
21.
What is the name of this piece of science equipment?
a)
Plastic spout
b)
Funnel
c)
Y-Spout
d)
Water spout
22.
What is used to measure the volume of liquids very precisely?
a)
beaker
b)
graduated cylinder
c)
Erlenmeyer flask
d)
test tube
23.
When equipment is broken or not working properly, what should you do?
a)
Quickly repair the equipment.
b)
Let your classmates know you shouldn't use the equipment.
c)
Tell your teacher immediately about the problem.
d)
Clean up the mess made from the broken equipment.
24.

Which of these pieces of equipment is beaker?

a)
b)
c)
d)
25.

What is the name of this piece of equipment?

a)

Beaker

b)

Conical flask

c)

Measuring cylinder

d)

Evaporating Basin

26.

Which piece of equipment should you use to measure out liquids?

a)
b)
c)
d)
27.

What is the name of this piece of equipment?

a)

Heat proof mat

b)

Beaker stand

c)

Gauze

d)

Tripod

28.

Which of these should be used for stirring a solution?

a)
b)
c)
d)
e)

Any of these

29.

What is this piece of equipment called?

a)

Retort stand

b)

Parallel stand

c)

Test tube stand

d)

Chemistry stand

30.
What is the name of this piece of science equipment?
a)
Pipettes
b)
Bulbous pipettes
c)
Plastic droppers
d)
Eye droppers
31.
Name the science equipment.
a)
Ruler
b)
Bunsen Burner
c)
Triple Beam Balance
d)
Beaker
32.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
33.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
34.
When in the lab you should wear...
a)
open-toed shoes.
b)
sandals.
c)
closed-toes shoes.
d)
no shoes.
35.
When should you look over the experiment instructions? 
a)
After starting the lab
b)
When your teacher tells you to
c)
Before starting the lab
d)
It doesn't really matter.  Instructions are silly!
36.
Which of the following are examples of dressing appropriately in the lab?
a)
Pulling long hair back
b)
Leaving long hair down to get in the chemicals. 
c)
Wearing sandals
37.

Horseplay, practical jokes, or pranks in the classroom are

a)

not dangerous.

b)

okay if you are working alone.

c)

always against the rules.

d)

okay.

38.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
39.
What safety symbol is this?
a)
Flammable 
b)
Oxidizing Agent
c)
No Open Flame
d)
Explosion
40.
What safety Symbol is this?
a)
Flamable
b)
Oxidizing Agent
c)
No Open Flame
d)
Explosion
41.
The following symbol is for ...
a)
oxidizing material
b)
flammable material
c)
materials causing other toxic effects
d)
corrosive material
42.
The following symbol would be found on household products that are poisonous.
a)
True
b)
False
43.
The following WHMIS symbol represents ...
a)
corrosive material
b)
biohazardous infectious materal
c)
flammable & combustable material
d)
dangerously reactive material
44.
This symbol is used to describe poisonous and infectious material causing immediate & serious toxic effects.
a)
True
b)
False
45.
A student sniffed some bleach to see if it had a strong smell.  
a)
Safe
b)
Unsafe
46.

What Hazard Symbol is this?

a)

Irritant

b)

Railroad Crossing

c)

Electrical

d)

Toxic

47.

What Hazard Symbol is this?

a)

Electrical

b)

Explosive

c)

Irritant

d)

Lightning

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