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Saftey Quiz (Science)

Description

Grade 9 Science Quiz on Saftey Quiz (Science), created by Madison Sanford on 11/09/2021.
Madison Sanford
Quiz by Madison Sanford, updated more than 1 year ago
Madison Sanford
Created by Madison Sanford over 2 years ago
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Resource summary

Question 1

Question
In the science lab how do you gain knowledge?
Answer
  • reading books
  • discussing theories
  • doing things
  • watching the teacher

Question 2

Question
what must you do if you have an accident?
Answer
  • don't tell anyone
  • notify the teacher
  • scream and run away
  • clean it up yourself

Question 3

Question
to be safe in the science classroom you must
Answer
  • pay attention
  • follow the rules
  • use common sense
  • all of these

Question 4

Question
Rules in the lab are designed to protect your
Answer
  • friendships
  • privacy
  • skin and eyes
  • all of these

Question 5

Question
Always use this size container when you are pouring chemicals:
Answer
  • large
  • small
  • medium
  • doesn't matter

Question 6

Question
When you are reading the chemical bottles you must note the following information:
Answer
  • name
  • concentration
  • hazard warnings
  • all of these

Question 7

Question
The proper method for mixing acid and water is to
Answer
  • acid to water
  • water to acid
  • it doesn't matter

Question 8

Question
What is the safest way to smell a chemical
Answer
  • smell it directly by putting your nose over it
  • inhale deeply to determine what it is
  • waft the smell to your nose using your hand
  • all of these

Question 9

Question
When pouring chemicals:
Answer
  • use a work tray
  • keep your hand on the label area
  • immediately stopper chemicals
  • all of these

Question 10

Question
Harmful volatile chemicals which release fumes should be stored in:
Answer
  • on the lab table
  • a fume hood
  • in a closed area
  • none of these

Question 11

Question
When using chemicals
Answer
  • recycle unused chemicals
  • use clean glassware
  • only pour out, never in
  • all of these

Question 12

Question
At the end of every lab activity you must first
Answer
  • relax
  • write up the lab
  • clean equipment and hands
  • remove your safety glasses

Question 13

Question
Never heat the following using an open flame
Answer
  • acids
  • volatile chemicals
  • water
  • metals

Question 14

Question
What controls the flow of gas on the Bunsen Burner?
Answer
  • air inlets
  • wing tip spreader
  • rubber tubing
  • valve

Question 15

Question
when lighting a Bunsen Burner with a match or lighter
Answer
  • light the match first and then turn on the gas
  • turn on the gas before you light the match

Question 16

Question
What controls the amount of oxygen flow into the Bunsen Burner
Answer
  • air inlets
  • wing tip spreader
  • valve
  • rubber tubing

Question 17

Question
What colour would an ideal flame have
Answer
  • transparent
  • blue
  • orange-red
  • yellow

Question 18

Question
If the flame sputters or goes out, you should first
Answer
  • relight it immediately
  • turn off the gas
  • notify the teacher

Question 19

Question
We check all glassware before heating it for cracks or stars to prevent it from
Answer
  • leaking
  • bursting or exploding
  • glowing

Question 20

Question
Why is it not safe to heat a sealed container?
Answer
  • the cork could blow out
  • the container could burst/explode
  • it could burst into flames
  • none of these

Question 21

Question
Which method can be used to heat a test tube?
Answer
  • in a water bath
  • never heat a test tube
  • moving it back and forth through a flame
  • both a) and c)

Question 22

Question
What two substances look the same whether they are hot or cold?
Answer
  • metals and glassware
  • liquids and chemicals
  • metals and gases
  • liquids and glassware

Question 23

Question
The two types of thermometers used in a science classroom are:
Answer
  • mercury and bromine
  • alcohol and mercury
  • alcohol and bromine
  • alcohol and water

Question 24

Question
which rule is true for thermometer use?
Answer
  • shake it down to get a good reading
  • you may clean up a broken thermometer
  • keep it on a wire screen when not in use
  • leave it on the edge of the table for quick use

Question 25

Question
The most common causes of injury in a science classroom are
Answer
  • burns
  • cuts from glass
  • inhalation of fumes

Question 26

Question
you must never attempt to
Answer
  • snap a glass tube in half
  • insert one end into a hole of a rubber stopper
  • seal one end by melting the glass
  • all of the above

Question 27

Question
Centrifuges separate
Answer
  • solids from gases
  • solids from liquids
  • liquids from gases

Question 28

Question
what can happen if a centrifuge is not evenly balanced?
Answer
  • explodes
  • short circuits
  • vibrates violently
  • spins faster

Question 29

Question
which of the following must be worn in a science classroom?
Answer
  • lab coat
  • school uniform
  • loose sleeves
  • closed leather shoes
  • both a) and d)

Question 30

Question
what should you do with long hair?
Answer
  • wear a cap
  • tie it up
  • nothing

Question 31

Question
why is it important to remove rings, watches and contact lenses if you are going to work with chemicals?
Answer
  • chemicals may become trapped against the skin
  • they can become damaged
  • they can react with the chemicals you are using
  • all of the above

Question 32

Question
How should you protect your eyes from chemicals and glass shards?
Answer
  • blink often
  • open the windows
  • wear safety goggles
  • be careful

Question 33

Question
how should you protect your hands when pouring chemicals? Use:
Answer
  • hot mitts
  • safety goggles
  • gloves
  • tongs

Question 34

Question
The first and most important rule is:
Answer
  • put yourself first
  • no fooling around in the science classroom
  • read your procedure once the lab has started
  • run to get your chemicals

Question 35

Question
where should personal belongings be kept during a lab activity?
Answer
  • in the hallway
  • in your desk or cupboards
  • on lab table
  • in the aisles

Question 36

Question
When measuring a substance in a burette or graduated cylinder, your eyes should be
Answer
  • below the meniscus level
  • the same level as the meniscus
  • above the meniscus level

Question 37

Question
Why is it important that you never bring in food, drinks or makeup into the science classroom?
Answer
  • your skin, eyes or mouth could develop a rash or burn
  • chemicals may become trapped against the skin
  • some chemicals are poisonous or cancer causing
  • all of these

Question 38

Question
If a chemical gets in your eyes you must
Answer
  • ignore it, your tears will remove it
  • wash it out for 5 minutes
  • wash it out for15 minutes
  • spray a chemical to neutralize the reaction

Question 39

Question
if a fire starts in a small container you should
Answer
  • use a fire extinguisher
  • cover it
  • evacuate from the building

Question 40

Question
If a person's clothing catches fire they should
Answer
  • get the safety blanket
  • run around to get help
  • stop, drop and roll
  • go to the eye wash fountain
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