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Worksheets

from 1 Science unit 1 your science labo

Total questions: 204

Worksheet time: 2hrs 3mins

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

48.

Which of the following is not a lab safety rule?

a)

Do not eat or drink while in the laboratory

b)

Always wash your hands thoroughly before and after every practical lesson

c)

Run or play in the laboratory

d)

Do not place books or pieces of paper near a flame

49.

What should you do when you accidentally have a mild burn on your hand during a practical in the lab?

a)

Go to the canteen and eat ice cream

b)

Cool the affected area with running water for at least 5 minutes

c)

Rinse your eyes at the eye wash station

d)

Put a fire blanket on your hand

50.

What is the name of this hazard symbol?

a)

Explosive

b)

Danger

c)

Bomb

d)

Flammable

51.

What is the name of this hazard symbol?

a)

Toxic

b)

Treasure

c)

Irritant

d)

No entry

52.

What is the name of this hazard symbol?

a)

Toxic

b)

Melting

c)

Corrosive

d)

Washing hands

53.

Which hazard symbol has this definition: This substance emits harmful radiation

a)

Radioactive

b)

Biohazardous

c)

Explosive

d)

Sun

54.

Which hazard symbol has this definition: This substance catches fire easily

a)

Blanket

b)

Toxic

c)

Explosive

d)

Flammable

55.

Which hazard symbol has this definition: This substance is harmful in small doses

a)

Coffee

b)

Toxic

c)

Explosive

d)

Radioactive

56.

What is the name of this apparatus?

a)

Filter funnel

b)

Test tube

c)

Conical flask

d)

Tripod stand

57.

What is the function of this apparatus?

a)

For containing and mixing chemicals and liquids to produce gas when heating is not required

b)

For containing small amounts of chemicals

c)

To spread the heat of the flame

d)

To measure volumes of liquid

58.

What is the name of this apparatus?

a)

Beaker

b)

Cup

c)

Measuring cylinder

d)

Conical flask

59.

What is the function of this apparatus?

a)

For containing and mixing chemicals

b)

For separating solids from liquids by using filter paper

c)

For transferring liquids into containers with a small opening

d)

For collecting and holding liquids

60.

What is the name of this apparatus?

a)

Wire gauze

b)

Test tube

c)

Conical flask

d)

Evaporating dish

61.

What is the function of this apparatus?

a)

To measure volumes of liquids

b)

To stir chemicals in the laboratory

c)

For containing small amounts of chemicals

d)

To evaporate the liquid in a solution over a Bunsen burner

62.

What is the first step of lighting up a Bunsen burner?

a)

Make sure the air-hole is open

b)

Light a match

c)

Turn on the gas knob

d)

Make sure the air-hole is closed

63.

What is the name of the part labelled C

a)

Barrel

b)

Collar

c)

Air-hole

d)

Chimney

64.

Which of the following is true about Non-luminous flame

a)

It is Blue in colour

b)

To get non-luminous flame, you need to open the air-hole

c)

The flow of flame is steady

d)

It produces soot

e)

It is used for cooking

65.

Which of the following is true about Luminous flame

a)

It is Orange in colour

b)

To get luminous flame, you need to open the air-hole

c)

The flow of flame is steady

d)

It produces soot

e)

It is not hot

66.
a)

Mortar and Pestle

b)

Erlenmeyer Flask

c)

Beaker

d)

Graduated Cylinder

67.
a)

Thermodynamic Heating Unit (THU)

b)

Crucible with Cover

c)

Lidded Heating Container unit

d)

Porcelain Flask

68.
a)

Fish Scale

b)

Gravimetric Weighing Device

c)

Digital Balance

d)

Triple Beam Balance

69.
a)

Funnel cake

b)

Funnel

c)

Funnel of Terror

d)

Funnelizator

70.
a)

Glass Straw

b)

Sipping Tool

c)

Glass Pipette

d)

Graduated Cylinder

71.
a)

Gradual Cylinder

b)

Graduated Cylinder

c)

Underclassmen Cylinder

d)

Volumetric Cylinder

72.
a)

Eye dropper

b)

Pipette

c)

Manual Suction Device

d)

Water Delivery Device

73.
a)

Powder Manipulation Tool

b)

Spatula

c)

Scooper

d)

Scoop and Pinch Device

74.
a)

Clamp

b)

Test Tube Holder

c)

Spring-loaded Grabber

d)

Titanium Tong

75.
a)

Test Tube Rack

b)

Finger Diameter Tester

c)

Drying Rack

d)

Chemical Analysis Holder

76.
a)

Pipette

b)

Flask

c)

Test Tube

d)

Graduated Cylinder

77.
a)

Clamp

b)

Heat Transfer Coil

c)

Tongs

d)

EMS Distributor

78.
Identify the equipment shown here:
a)
crucible
b)
evaporating dish
c)
mortar and pestle
d)
bowl
79.
Identify the equipment shown here:
a)
wire gauze
b)
flame spreader
c)
sieve
d)
mesh
80.

Identify the lab apparatus

a)

measuring jar

b)

glass bottle

c)

transparent bottle

d)

conical flask

81.

Which laboratory apparatus is a measuring cylinder?

a)
b)
c)
d)
82.

The laboratory apparatus above are used to measure _____________ .

a)

mass

b)

length

c)

volume

d)

temperature

83.

The directions for a lab show the goggle symbol. What should you do?

a)

Wear your goggles the entire time

b)

Wear your goggle part of the time

c)

Use the goggles to pull back your hair

84.

When you spill a liquid you should first cover it with a chair so no slips and then tell your teacher.

a)

True

b)

False

85.

Which of the following is NOT something you do after a lab is completed?

a)

Wash your hands

b)

Dispose of trash

c)

Read the directions

d)

Clean your materials off the lab table

86.

A student is talking during the lab instructions and then complete the lab incoreectly. What major safety rule has he broken?

a)

Listen carefully

b)

Clean supplies

c)

Read directions

87.

If glass equipment is broken you should do what first?

a)

Pick up the glass so no one gets hurt

b)

Tell the custodian

c)

Tell your teacher

88.

Following apparatus are used for holding larger amount of chemical, EXCEPT?

a)
b)
c)
d)
89.

Name the equipment.

a)

Measuring cylinder

b)

Boiling tube

c)

Conical flask

d)

Beaker

90.

Which of these pieces of equipment is beaker?

a)
b)
c)
d)
91.

Has a narrow neck and is used to hold liquids. Choose the correct name for this apparatus.

a)

Flat-bottom flask

b)

Conical Flask

c)

Beaker

d)

Triangular Flask

92.

Name this apparatus.

a)

Beaker

b)

Conical flask

c)

Flat-bottom flask

d)

Round-bottom flask

93.

Choose the correct apparatus that can measure volume of liquid.

a)

Beaker

b)

Test tube

c)

Measuring cylinder

d)

Conical flask

94.

Which of this apparatus is used to measure volume of liquid accurately?

a)
b)
c)
95.

Which of the following apparatus is the best one to use for measuring a fixed volume of liquid accurately?

a)

Beaker

b)

Burette

c)

Measuring cylinder

d)

Pipette

96.

Choose the correct apparatus to measure temperature.

a)

Electronic balance

b)

Pipette

c)

Stopwatch

d)

Thermometer

97.

What is the function of this apparatus?

a)

To measure mass.

b)

To measure volume.

c)

To measure temperature.

d)

To measure time.

98.

Name this apparatus.

a)

Cup

b)

Crucible

c)

Evaporating dish

d)

Beaker

99.

What is the function of this apparatus?

a)

to contain liquid during heating

b)

to support apparatus when heating

c)

to evaporate liquid

d)

to contain solid when heating

100.

Choose the correct apparatus use to separate insoluble solids from mixture.

a)

Evaporating dish

b)

Filter funnel

c)

Wire gauze

d)

Glass rod

101.

Choose the correct name of this apparatus.

a)

Test tube

b)

Boiling tube

c)

Gas Jar

d)

Measuring cylinder

102.

It helps you to hold something hot. What is this?

a)

Tongs

b)

Scissors

c)

Clips

d)

Holder

103.

Name the apparatus shown.

a)

Test tube rack

b)

Test tube holder

c)

Shoe rack

d)

Retord stand

104.

What is the name of this apparatus?

a)

Pipe clay triangle

b)

Wire gauze

c)

Tripod stand

d)

Retort stand

105.

What is the name of this apparatus?

a)

Bunsen burner

b)

Wire gauze

c)

Cotton gauze

d)

Filter paper

106.

Name this apparatus

a)

Spirit lamp

b)

Candle

c)

Bunsen burner

d)

Lighter

107.

This symbol indicates

a)

corrosive chemicals

b)

poisonous chemicals

c)

irritant chemicals

d)

explosive chemicals

108.

Examples of chemical with this symbol is all except

a)

Mercury

b)

Uranium

c)

Plutonium

109.

What is the name of this hazard symbol?

a)

Toxic

b)

Explosive

c)

Corrosive

d)

Washing hands

110.

Choose the correct hazard symbol for the chemical shown above.

a)
b)
c)
d)
111.

Identify the symbol shown.

a)

Poison/Toxic

b)

Flammable

c)

Radioactive

d)

Corrosive

112.

What is the name of this hazard symbol?

a)

Explosive

b)

Danger

c)

Bomb

d)

Flammable

113.

Which of the following is an explosive chemical?

a)

Petrol

b)

Mercury

c)

Sodium

d)

Ammonia

114.

Identify the Image

a)

Radioactive

b)

Flammable

c)

Fire

d)

Toxic

115.

Petrol or kerosene should be labelled with the following symbol...

a)
b)
c)
d)
116.

Eating in the laboratory

a)

Is permitted if its healthy

b)

Is not permitted

c)

Is permitted if chemicals are not being used

d)

Is permitted after the lab activity is complete

117.
If a chemical is splashed in your eyes, you should ..
a)
rub your eyes with your hands
b)
wipe your eyes with a paper towel
c)
flush your eyes with running water
d)

close your eyes tight until you feel better

118.

Students are using heat, chemicals and glassware in a laboratory experiment. Which of these is the best method of eye protection?

a)

Safety Goggles

b)

Contact Lenses

c)

Spectacles

d)

Eye Protection is not needed

119.

A fire starts in a laboratory. What should the student do?

a)

Open the Windows

b)

Throw water on the fire

c)

The student notifies the science teacher

d)

Run for the fire extinguisher

120.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
121.

Ali would like to heat a test-tube containing chemical X over a Bunsen burner. How should Ali carry out the heating?

a)

Holding the test tube with his bare hands

b)

Holding the test tube with a piece of cloth

c)

Holding the test tube using a test tube holder

d)

Holding the test tube with tongs

122.

A student working in a laboratory accidentally spilled concentrated hydrochloric acid on his hand. The most practical thing to do is __________.

a)

To go to the hospital immediately

b)

To rub the hand with a wet towel

c)

To rub the hand with a dry towel

d)

To wash the hand quickly under running water

123.

Which of the following apparatus can hold larger amount of chemicals?

Antara berikut, yang manakah dapat mengisi bahan kimia dalam kuantiti yang besar?

a)

test tube / tabung uji

b)

measuring cylinder / silinder penyukat

c)

burette / buret

d)

beaker / bikar

124.

___________ helps to spread heat evenly during heating.

___________membantu menyebarkan haba dengan sekata semasa pemanasan.

a)

Gas jar / Balang gas

b)

Wire gauze / Kasa dawai

c)

Tripod stand / Tungku kaki tiga

d)

Measuring cylinder / Silinder penyukat

125.

What is the function of retort stand with clamp?

Apakah fungsi bagi kaki retort?

a)

To heat small amount of chemicals.

Untuk memanaskan bahan kimia dalam kunantiti yang kecil.

b)

To support apparatus during heating.

Untuk menyokong radas semasa pemanasan.

c)

To hold or support apparatus.

Untuk memegang atau menyokong radas.

d)

To hold small amount of chemicals

Untuk mengisi bahan kimia dalam kuantiti yang kecil.

126.

Name the apparatus shown above.

Namakan radas yang ditunjukkan di bawah.

a)

Test tube rack / Rak tabung uji

b)

Test tube holder / Pemegang tabung uji

c)

Burette holder / Pemegang buret

d)

Forceps / Forsep

127.

What is the meaning of the hazard symbol shown above?

Apakah maksud bagi simbol amaran yang ditunjukkan di atas?

a)

Poisonous / Beracun

b)

Flammable / Mudah terbakar

c)

Corrosive / Mengakis

d)

Irritant / Merengsa

128.

Choose the correct hazard symbol for the chemical shown above.

Pilih simbol amaran yang betul bagi bahan kimia yang ditunjukkan di atas.

a)
b)
c)
d)
129.

_________ and _________ must be kept in paraffin oil.

_________ dan _________ mesti disimpan dalam minyak parafin

a)

Potassium / Kalium

b)

Calcium / Kalsium

c)

Magnesium / Magnesium

d)

Lithium / Litium

130.

Which of the following is an explosive chemical?

Antara berikut, yang manakah merupakan bahan kimia yang mudah meletup?

a)

Petrol / Petrol

b)

Mercury / Merkuri

c)

Hydrogen gas / Gas hidrogen

d)

Ammonia / Ammonia

131.

___________ and ____________are radioactive materials.

___________ dan ____________ merupakan bahan beradioaktif.

a)

Sodium / Natrium

b)

Uranium / Uranium

c)

Plutonium / Plutonium

d)

Potassium / Kalium

132.

Which of the following is not the correct safety measure when using chemicals and apparatus?

Antara berikut, yang manakah bukan langkah-langkah keselamatan ketika menggunakan bahan kimia dan radas?

a)

Do not taste or smell anything unless allowed by the teacher.

Jangan merasa atau menghidu bau kecuali dibenarkan oleh guru.

b)

Always point the mouth of the test tube at your face or at other people.

Selalu menghalakan hujung tabung uji ke arah sendiri atau orang lain.

c)

Keep highly flammable chemicals away from any heat sources.

Jauhkan bahan kimia yang mudah terbakar dari sebarang sumber api.

d)

Use safety goggles when mixing or heating chemicals.

Gunakan cermin pelindung mata ketika mencampurkan atau memanaskan bahan kimia.

133.

Students complete a laboratory investigation. Who is responsible for returning the materials to their proper place?

a)

Students who did the investigation

b)

Students entering the laboratory

c)

Custodian

d)

The science teacher

134.

Students are using heat, chemicals and glassware in a laboratory experiment. Which of these is the best method of eye protection?

a)

Safety Goggles

b)

Contact Lenses

c)

Prescription glasses

d)

Eye Protection is not needed

135.

A fire starts in a laboratory. What should the student do?

a)

Open the Windows

b)

Throw water on the fire

c)

The student notifies the science teacher

d)

Run for the fire extinguisher

136.

Which of the following should not be close to flammable materials?

a)

A sink

b)

And open door

c)

Another student

d)

A burning match

137.

A students hand is cut during a laboratory experiment. What should the student do immediately?

a)

See a doctor

b)

Report the accident to the teacher

c)

Ask to see the school nurse

d)

Wrap the hand in a paper towel

138.

A student spills a chemical in the laboratory. What should he/she do first?

a)

Clean it up

b)

Let it evaporate

c)

Tell the teacher

d)

Pour water on it

139.

Where should a student discard solid chemical waste?

a)

Sink

b)

Trash Can

c)

Container identified by the teacher

d)

Card Board Box

140.

Before beginning a lab, students with long hair should

a)

Comb their hair so the follicles don't contaminate the experiment

b)

Tie their hair back

c)

Ask the teacher what to do

d)

Ask their partner to do the lab

141.

What should you bring to your work area ( lab table) ?

a)

Back pack

b)

Lab instructions, worksheets, writing tools

c)

Nutrition snacks

d)

Binder and jacket

142.

Taking supplies from the science laboratory is

a)

Not permitted

b)

Permitted if its not acid

c)

Permitted if its not glassware

d)

Permitted if the material is not dangerous

143.

A student is finished working with chemicals or biologic specimens. Which of these is best for the student to do before leaving the laboratory?

a)

Wipe your hands on your uniform

b)

Rinse hands with water

c)

Wash hands with soap and water

d)

Use lotion to protect your hands

144.

Eating in the laboratory

a)

Is permitted if its healthy

b)

Is not permitted

c)

Is permitted if chemicals are not being used

d)

Is permitted after the lab activity is complete

145.

Chemicals used in the science lab should be considered

a)

dangerous

b)

safe

c)

sometimes dangerous

d)

so safe you can taste them

146.

Queue up before entering the science laboratory.

a)

True

b)

False

147.

Inform your teacher if anything breaks or spills.

a)

True

b)

False

148.

Handle animals with care and respect.

a)

True

b)

False

149.

Do not clean your desk after experiments.

a)

True

b)

False

150.

Never touch equipment until you have permission.

a)

True

b)

False

151.
Which of the following would be safe to do during a lab activity?
a)
Running in the classroom
b)
Leaving a water spill on the floor
c)
Touching hot surfaces
d)
Following lab rules
152.

Students mixed a spoonful of vinegar with a small amount of baking soda in a bowl. They wrote a description of what they observed. Which of these should the students avoid while doing this activity?

a)

Using a metal teaspoon

b)

Using a plastic bowl

c)

Stirring the vinegar

d)

Tasting the mixture

153.
Which of the following items is necessary in a laboratory for safety purposes?
a)
Triple-beam balance
b)
Metric ruler
c)
Computer Monitor
d)
Fire extinguisher
154.
If a chemical is splashed in your eyes, you should ..
a)
rub your eyes with your hands
b)
wipe your eyes with a paper towel
c)
flush your eyes with running water
d)
close your eyes tight until the feel better
155.

Which of the following instruments cannot hold hot solids?

a)
b)
c)
d)
156.

Which of the following instruments can be used for measuring and holding liquids?

a)
b)
c)
d)
157.

Which of the following pieces of chemistry lab equipment produces a flame from gas that is used for heating substances?

a)

Bunsen burner

b)

induction cooker

c)

crucible

d)

stove

158.

It supports containers being heated.

a)

wire gauze

b)

platform balance with a set of weights

c)

tripod

d)

clinical thermometer

159.

These tools are used for containing, mixing and reacting chemicals, and sometimes for measuring liquids.

a)

flasks and beakers

b)

graduated cylinder

c)

test tube holders and tongs

d)

lamp and burner

160.

It spreads the frame evenly from a lamp or burner.

a)

tripod

b)

wire gauze

c)

test tube holders and tongs

d)

lamp and burner

161.

It holds small samples and is used in performing small-scale reaction.

a)

graduated cylinder

b)

wire gauze

c)

weather thermometer

d)

test tube

162.

It measures body temperature.

a)

laboratory thermometer

b)

clinical thermometer

c)

weather thermometer

d)

graduated cylinder

163.
 The following footwear is best in the laboratory. 
a)
shoes appropriate for the weather
b)
open-toed shoes
c)
closed-toed shoes
d)
sandals
164.
What does this tool measure?
a)
weight
b)
mass
c)
density
d)
volume
165.
Which of the following items is necessary in a laboratory for safety purposes?
a)
Triple-beam balance
b)
Metric ruler
c)
Computer Monitor
d)
Fire extinguisher
166.
What is this science tool?
a)
thermometer
b)
hand lens
c)
graduated cylinder
d)
beaker
167.
The most important reasons for keeping your workspace neat is to ...
a)
make the teacher happy
b)
prevent accidents or unsafe situations
c)
lose materials in the lab
d)
prevent the room from looking messy
168.
I may get the science supplies I need for an experiment..
a)
when I think it is safe
b)
when the teacher gives me permission
c)
when the supplies are out and ready to use
d)
whenever I want
169.
When may a student perform an experiment in the science lab without teacher supervision?
a)
When the student has read the complete experiment
b)
When the student has the necessary supplies
c)
When another teacher gives permission
d)
Never
170.
What does this graduated cylinder measure?
a)
mass
b)
volume
c)
weight
d)
length
171.
You may eat or drink in the science laboratory...
a)
after you have washed your hands.
b)
on the days you are not doing a lab.
c)
only from the beakers.
d)
at no time unless given teacher approval.
172.
What should you do if a glass breakage occurs?
a)
Touch it to see if it is safe?
b)
Run out of the classroom
c)
Immediately tell your teacher
d)
Leave without telling anyone
173.
Veronica is working with an open flame.  What does she need to do before starting the lab? 
a)
Tie her hair back.
b)
Be aware of where the flame is.
c)
Remove all jewelry.
d)
All of the choices.
174.
Which is most likely the length of a student’s textbook?
a)
30 centimeters
b)
30 millimeters
c)
30 hectometers
d)
30 meters
175.
Cam performs an experiment using the lab equipment shown.  What 2 properties is Cam MOST LIKELY measuring?
a)
mass and volume
b)
volume and temperature
c)
mass and temperature
d)
length and mass
176.
Which lists metric units, in order, from smallest to largest?
a)
milligram, centigram, gram
b)
kilogram, gram, centigram
c)
decagram, hectogram, milligram
d)
kilogram, hectogram, decagram
177.
What is the SI base unit for volume?
a)
gram
b)
meter
c)
liter
d)
foot
178.
What is the SI unit for temperature?
a)
Celsius
b)
Fahrenheit
c)
liter
d)
thermometer
179.
How many millimeters are in a centimeter?
a)
10
b)
100
c)
1000
d)
0.001
180.
2.0 milligrams is
a)
2.0 x 10-3 grams
b)
2.0 x 10-6 grams
c)
2.0 x 10-2 grams
d)
2.0 x 10-9 grams
181.
3.0 microliters is
a)
3.0 x 10-3 liters
b)
3.0 x 10-6 liters
c)
2.0 x 10-2 liters
d)
2.0 x 10-9 grams
182.
True or false  1,000 milligrams in a gram
a)
TRUE
b)
FALSE
183.
How many   Meters are in a kilometer 
a)
1 meter
b)
10 meters
c)
100 meters
d)
1,000 meters
184.
Convert 10000g to Kg.
a)
10
b)
100
c)
1000
d)
10000
185.
The prefix "centi" means: ____________________
a)
1 x 10-2
b)
1 x 102
c)
1 x 10-1
d)
1 x 103
186.
The prefix "mega" means: ____________________
a)
1 x 109
b)
1 x 106
c)
1 x 103
d)
1 x 102
187.
Which is most appropriate for the following value:
10,000 meters
a)
1 km
b)
10 km
c)
100 km
d)
1 Mm
188.
Which is most appropriate for the following value:
193,748,904 Liters
a)
Mega
b)
Kilo
c)
milli
d)
micro
189.
Which is most appropriate for the following value:
4543 Liters
a)
454.3 kiloLiters
b)
45.43 kiloLiters
c)
4.543 kiloLiters
d)
454.3 milliLiters
190.
possible explanation for an observation that can be tested by scientific investigations
a)
hypothesis
b)
inference
c)
observation
d)
prediction
191.
act of using one or more of your senses to gather information and taking note of what occurs
a)
physical
b)
technology
c)
scientific theory
d)
observation
192.
investigation and exploration of natural events and of the new information that results from these investigations
a)
scientific law
b)
scientific theory
c)
science
d)
technology
193.
an interpretation of observations
a)
explanation
b)
description
c)
hypothesis
d)
conclusion
194.
the internationally accepted system for measurement
a)
English
b)
International System of Units
c)
Qualitative
d)
Quantitative
195.
comparing what you already know with the information you are given in order to decide whether you agree with it
a)
observation
b)
inference
c)
critical thinking
d)
explanation
196.
factor that you want to test that is changed by the investigator to observe how it affects a dependent variable.
a)
science
b)
variable
c)
independent variable
d)
technology
197.
factor that you want to observe or measure during an experiment.
a)
dependent variable
b)
variable
c)
critical thinking
d)
explanation
198.
A scientist who studies fish would fall under which branch of science?
a)
Life Science 
b)
Earth and Space
c)
Physical Science 
d)
fish science 
199.
The study of volcanoes would fall under which branch of science? 
a)
Life Science 
b)
Earth and Space Science 
c)
Physical Science 
d)
Volcanoe Science 
200.
What is the volume of liquid in the graduated cylinder?
a)
43 mL
b)
45mL
c)
44 mL
d)
I give up
201.
What is the mass of the unknown object?
a)
273 g
b)
272 g
c)
272.5 g
d)
2270 g
202.
Examine the data shown in the graph below.
What conclusion can be reached by the data shown in the graph?
a)
During the months of May, June , and July, the rate of photosynthesis increases and decreases greatly during the winter months.
b)
During the winter months, photosynthesis increases and during the summer months, photosynthesis decreases.
203.
What is the independent variable?
a)
Subject
b)
Students
204.
What is the dependent variable?
a)
Grade
b)
Number of Students

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