Madison Sanford
Quiz by , created more than 1 year ago

Grade 9 Science Quiz on Saftey Quiz (Science), created by Madison Sanford on 11/09/2021.

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Madison Sanford
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Saftey Quiz (Science)

Question 1 of 40

1

In the science lab how do you gain knowledge?

Select one of the following:

  • reading books

  • discussing theories

  • doing things

  • watching the teacher

Explanation

Question 2 of 40

1

what must you do if you have an accident?

Select one of the following:

  • don't tell anyone

  • notify the teacher

  • scream and run away

  • clean it up yourself

Explanation

Question 3 of 40

1

to be safe in the science classroom you must

Select one of the following:

  • pay attention

  • follow the rules

  • use common sense

  • all of these

Explanation

Question 4 of 40

1

Rules in the lab are designed to protect your

Select one of the following:

  • friendships

  • privacy

  • skin and eyes

  • all of these

Explanation

Question 5 of 40

1

Always use this size container when you are pouring chemicals:

Select one of the following:

  • large

  • small

  • medium

  • doesn't matter

Explanation

Question 6 of 40

1

When you are reading the chemical bottles you must note the following information:

Select one of the following:

  • name

  • concentration

  • hazard warnings

  • all of these

Explanation

Question 7 of 40

1

The proper method for mixing acid and water is to

Select one of the following:

  • acid to water

  • water to acid

  • it doesn't matter

Explanation

Question 8 of 40

1

What is the safest way to smell a chemical

Select one of the following:

  • 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

Explanation

Question 9 of 40

1

When pouring chemicals:

Select one of the following:

  • use a work tray

  • keep your hand on the label area

  • immediately stopper chemicals

  • all of these

Explanation

Question 10 of 40

1

Harmful volatile chemicals which release fumes should be stored in:

Select one of the following:

  • on the lab table

  • a fume hood

  • in a closed area

  • none of these

Explanation

Question 11 of 40

1

When using chemicals

Select one of the following:

  • recycle unused chemicals

  • use clean glassware

  • only pour out, never in

  • all of these

Explanation

Question 12 of 40

1

At the end of every lab activity you must first

Select one of the following:

  • relax

  • write up the lab

  • clean equipment and hands

  • remove your safety glasses

Explanation

Question 13 of 40

1

Never heat the following using an open flame

Select one of the following:

  • acids

  • volatile chemicals

  • water

  • metals

Explanation

Question 14 of 40

1

What controls the flow of gas on the Bunsen Burner?

Select one of the following:

  • air inlets

  • wing tip spreader

  • rubber tubing

  • valve

Explanation

Question 15 of 40

1

when lighting a Bunsen Burner with a match or lighter

Select one of the following:

  • light the match first and then turn on the gas

  • turn on the gas before you light the match

Explanation

Question 16 of 40

1

What controls the amount of oxygen flow into the Bunsen Burner

Select one of the following:

  • air inlets

  • wing tip spreader

  • valve

  • rubber tubing

Explanation

Question 17 of 40

1

What colour would an ideal flame have

Select one of the following:

  • transparent

  • blue

  • orange-red

  • yellow

Explanation

Question 18 of 40

1

If the flame sputters or goes out, you should first

Select one of the following:

  • relight it immediately

  • turn off the gas

  • notify the teacher

Explanation

Question 19 of 40

1

We check all glassware before heating it for cracks or stars to prevent it from

Select one of the following:

  • leaking

  • bursting or exploding

  • glowing

Explanation

Question 20 of 40

1

Why is it not safe to heat a sealed container?

Select one of the following:

  • the cork could blow out

  • the container could burst/explode

  • it could burst into flames

  • none of these

Explanation

Question 21 of 40

1

Which method can be used to heat a test tube?

Select one of the following:

  • in a water bath

  • never heat a test tube

  • moving it back and forth through a flame

  • both a) and c)

Explanation

Question 22 of 40

1

What two substances look the same whether they are hot or cold?

Select one of the following:

  • metals and glassware

  • liquids and chemicals

  • metals and gases

  • liquids and glassware

Explanation

Question 23 of 40

1

The two types of thermometers used in a science classroom are:

Select one of the following:

  • mercury and bromine

  • alcohol and mercury

  • alcohol and bromine

  • alcohol and water

Explanation

Question 24 of 40

1

which rule is true for thermometer use?

Select one of the following:

  • 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

Explanation

Question 25 of 40

1

The most common causes of injury in a science classroom are

Select one of the following:

  • burns

  • cuts from glass

  • inhalation of fumes

Explanation

Question 26 of 40

1

you must never attempt to

Select one of the following:

  • 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

Explanation

Question 27 of 40

1

Centrifuges separate

Select one of the following:

  • solids from gases

  • solids from liquids

  • liquids from gases

Explanation

Question 28 of 40

1

what can happen if a centrifuge is not evenly balanced?

Select one of the following:

  • explodes

  • short circuits

  • vibrates violently

  • spins faster

Explanation

Question 29 of 40

1

which of the following must be worn in a science classroom?

Select one of the following:

  • lab coat

  • school uniform

  • loose sleeves

  • closed leather shoes

  • both a) and d)

Explanation

Question 30 of 40

1

what should you do with long hair?

Select one of the following:

  • wear a cap

  • tie it up

  • nothing

Explanation

Question 31 of 40

1

why is it important to remove rings, watches and contact lenses if you are going to work with chemicals?

Select one of the following:

  • chemicals may become trapped against the skin

  • they can become damaged

  • they can react with the chemicals you are using

  • all of the above

Explanation

Question 32 of 40

1

How should you protect your eyes from chemicals and glass shards?

Select one of the following:

  • blink often

  • open the windows

  • wear safety goggles

  • be careful

Explanation

Question 33 of 40

1

how should you protect your hands when pouring chemicals? Use:

Select one of the following:

  • hot mitts

  • safety goggles

  • gloves

  • tongs

Explanation

Question 34 of 40

1

The first and most important rule is:

Select one of the following:

  • put yourself first

  • no fooling around in the science classroom

  • read your procedure once the lab has started

  • run to get your chemicals

Explanation

Question 35 of 40

1

where should personal belongings be kept during a lab activity?

Select one of the following:

  • in the hallway

  • in your desk or cupboards

  • on lab table

  • in the aisles

Explanation

Question 36 of 40

1

When measuring a substance in a burette or graduated cylinder, your eyes should be

Select one of the following:

  • below the meniscus level

  • the same level as the meniscus

  • above the meniscus level

Explanation

Question 37 of 40

1

Why is it important that you never bring in food, drinks or makeup into the science classroom?

Select one of the following:

  • 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

Explanation

Question 38 of 40

1

If a chemical gets in your eyes you must

Select one of the following:

  • 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

Explanation

Question 39 of 40

1

if a fire starts in a small container you should

Select one of the following:

  • use a fire extinguisher

  • cover it

  • evacuate from the building

Explanation

Question 40 of 40

1

If a person's clothing catches fire they should

Select one of the following:

  • get the safety blanket

  • run around to get help

  • stop, drop and roll

  • go to the eye wash fountain

Explanation

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