WorksheetsLab Safety
Total questions: 9
Worksheet time: 5mins
During which lab activities is it important to wear gloves?
When performing a flame test
When mixing chemicals
When writing data in a table
All of these activities require gloves
Which of the following is true about wearing gloves/?
Wearing gloves protects your hands from chemicals
Gloves need to changed in between activities
Wearing gloves could melt to your skin when using hot equipment
All of these are true
Goggles are required when ...
using equipment that gets hot
mixing chemicals
cutting or crushing materials
all of these activities require goggles
Which of the following is the MOST important reason to keep equipment & chemicals organized on the lab bench while using a Bunsen burner?
So you know that you have everything you need
So you don't have to reach across the lab bench while the flame is lit
So you don't cross contaminate the chemicals
All of these choices are equally important
When it is time to turn the Bunsen burner off, you should ...
turn it off from the gas valve
blow the flame out like a candle
use the adjuster on the bottom to turn off the flow of air
All of these are acceptable methods to turn off a Bunsen burner
Which of the following is a good practice when working with different chemicals?
Changing gloves in between activities
Keeping the materials neatly organized on the lab bench
Observe the reactions from a safe distance
All of these are good practices
Which sense(s) is/are safe to use when observing chemical reactions?
Sight
Smell
Taste
Touch
A chemical has a particularly strong and unusual odor, so you should ...
bring it under your nose to get a better smell
ask your friend to smell it
keep your face away from the chemical and alert the teacher
All of these are good options
The instructions for a lab activity indicate that a few drops of a solution should be used. You decide it would be better house the whole bottle. Was this a good idea? Why?
Yes, because you'll get a bigger reaction that can't be missed
No, because the reaction could be so big that it might be hazardous
No, because you are wasting chemicals
No, because you need to follow directions
