Printable Lab Safety Sign Quiz

Lab Safety Sign Quiz - Question #1

The skull and crossbones is a classic warning sign, but can you name the type of danger?

• (a) general danger from chemicals
• (b) flammable materials
• (c) toxic or poisonous materials
• (d) dangerous to eat/drink, but otherwise safe
• (e) this symbol isn't officially used (pirate ships don't count)

Lab Safety Sign Quiz - Question #2

Isn't this a great sign? You may not ever see this warning symbol, but if you do it would be in your best interest to know what it means.

• (a) ionizing radiation
• (b) get out while you still can, it's radioactive here
• (c) dangerous high-powered ventilation
• (d) toxic vapors
• (e) potentially lethal levels of radiation

Lab Safety Sign Quiz - Question #3

This symbol commonly is found in chemistry labs and on trucks carrying hazardous materials. What does it mean?

• (a) acid, touching it will lead to what you see in the picture
• (b) harmful to living tissue, touching it is a bad plan
• (c) dangerous liquid, don't touch
• (d) cut or burn hazard, both living and non-living material
• (e) corrosive, both living and non-living material

Lab Safety Sign Quiz - Question #4

Hint: don't store your lunch in a refrigerator which displays this sign. It signifies:

• (a) biohazard
• (b) radiation hazard
• (c) radioactive biological hazard
• (d) nothing necessarily dangerous, just the presence of biological samples​

Lab Safety Sign Quiz - Question #5

It looks like a pretty snowflake, but that yellow background is cautionary. What type of hazard does this symbol indicate?

• (a) dangerous when frozen
• (b) icy conditions
• (c) low temperature or cryogenic hazard
• (d) cold storage required (freezing point of water or below)

Lab Safety Sign Quiz - Question #6

It's just a big X. What does that mean?

• (a) don't store chemicals here
• (b) potentially harmful chemical, usually, an irritant
• (c) do not enter
• (d) just don't. a general warning sign to be used to indicate a no-no or 'I know what you're thinking, don't do it.

Lab Safety Sign Quiz - Question #7

There might be a few reasonable interpretations for this sign, but only one is correct. What does this symbol indicate?

• (a) breakfast bar, serving bacon and pancakes
• (b) noxious vapors
• (c) hot surface
• (d) high vapor pressure

Lab Safety Sign Quiz - Question #8

This symbol is often confused with a similar-looking symbol. What does it mean?

• (a) flammable, keep away from heat or flame
• (b) oxidizer
• (c) heat-sensitive explosive
• (d) fire/flame hazard
• (e) no open flames

Lab Safety Sign Quiz - Question #9

This symbol means:

• (a) you shouldn't drink the water
• (b) you shouldn't use the faucet
• (c) you shouldn't bring in drinks
• (d) don't clean your glassware here

Lab Safety Sign Quiz - Question #10

Unless you have been living in a hole for the past 50 years, you have seen this symbol. Actually, if you were in a hole the past 50 years, the hazard indicated by this symbol might have had something to do with it. This sign indicates:

• (a) unguarded fan blades
• (b) radioactivity
• (c) biohazard
• (d) toxic chemicals
• (e) it isn't a real sign

Answers

1. c
2. a
3. e
4. a
5. c
6. b
7. c
8. b
9. a
10. b