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WorksheetsScience, Safety and Symbols Quiz
Total questions: 25
Worksheet time: 13mins
What is the universal purpose of lab safety symbols?
Decorations for the lab walls
To communicate vital information, alert to hazards, and guide interaction
To signify the lab's specific research area
To help organize chemicals by color
If you see a symbol with a unique triple curved design, what does it warn you about?
Flammable materials
Corrosive substances
Substances posing a threat to living organisms, carrying a risk of infection
Radioactive materials
Which symbol is often depicted as a fire icon and signifies materials that can quickly ignite (flammable)?
According to the sources, what kind of footwear is never acceptable in a lab?
Long-sleeved shirts
Closed-toed shoes
Sandals
Long pants
What is the recommended method for smelling chemicals in a lab?
Sticking your face directly into the container
Tasting a small amount
Wafting the fumes towards your nose
Relying on others to describe the smell
The blue section of the HazMat diamond indicates what type of hazard?
Flammability
Chemical reactivity
Health hazard
Radioactivity
Before touching any chemical, what comprehensive document should always be consulted?
The lab experiment handout
The Material Safety Data Sheet (MSDS)
A textbook
A peer's notes
What is the primary function of a fume hood?
To store chemicals at controlled temperatures
To provide a clean workspace free of dust
To suck noxious fumes out of the air
To perform experiments requiring high pressure
If you spill a significant amount of a hazardous substance on your clothes, what is the immediate action recommended?
Try to wipe it off with a paper towel
Continue working and report it at the end of the lab
Remove the contaminated clothing and use a safety shower
Ask a classmate for advice first
What is the fundamental basis of science?
Intuition and personal beliefs
Observation
Historical narratives
Philosophical debates
Which of the following is always required when working with chemicals in the lab to protect your eyes, identified as your most vulnerable organ?
Long-sleeved shirt
Eye protection (goggles/safety glasses)
An apron
Closed-toed shoes
What is the recommended practice for long hair in the lab to prevent accidents?
Leaving it down for comfort
Only tying it back if it's very long
Always securing it up or back
Covering it with a cap only when working with flames
What is the "rule of thumb" regarding chemical disposal in the lab?
All chemicals can be dumped down the sink with water.
Dispose of chemicals after you've finished the entire experiment.
Always know the right way to dispose of something before you even start to use it.
Ask a classmate how to dispose of it.
The radioactive symbol is a universal caution sign for the presence of radioactive materials or _________?
ionizing radiation
ultraviolet light
magnetic fields
water
In a lab, it is crucial to recognize the corrosive symbol as it alerts users about substances that can cause severe damage to our skin, eyes, and other _________?
body parts
colors
machines
clothes
Long hair in the lab should always be ________ to prevent it from catching fire, knocking things over, or falling into flasks.
up or secured
washed
colored
left loose
The yellow section of the HazMat diamond represents ________ hazard.
chemical reactivity
flammability
health
radioactivity
A rating of 4 in the red section of the HazMat diamond means the material is both very ________ and gaseous.
flammable
toxic
corrosive
radioactive
If something happens to you in the lab and you are unsure if it was serious or minor, you should always tell your ________ or ________.
instructor or teacher
classmate or friend
janitor or security guard
parent or sibling
Broken glass should be cleaned up with a broom and dustpan and deposited into a bin specifically for ________ or ________.
sharp stuff or broken glass
paper or plastic
food waste or compost
recyclables or cans
The goals of science are to answer questions through ________ and ________.
research or experimentation and evidence
guesswork and luck
imagination and opinion
tradition and authority
Things that cannot be observed and cannot be supported by ________ should not be considered scientific.
scientific evidence
personal beliefs
mythology
speculation
If you spill more than just a bit of anything super bad on your pants, you should ________ and then use a safety shower.
take them off
wait for them to dry
cover them with a towel
ignore it
To prevent serious hand injury when inserting glass rods or thermometers into stoppers, use a bit of ________ or ________ and hold the rod close to the stopper, ensuring your hand is not on the other side.
water or lubricant
oil or sand
alcohol or salt
grease or wax
This safety equipment is used to protect you and your clothes in case you're working with something hazardous like concentrated acids and is easy to get off if something is spilled on it. What is the name of this safety equipment?
Apron
Goggles
Gloves
Face mask
