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Safety in the Science Lab

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by

BAILEY HEMMERT

on 29 August 2014

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Transcript of Safety in the Science Lab

The type of safety goggles that you wear in the lab doesn't necessarily depend on what you are experimenting with.
True or False?
Across the country, at least 150 students have been seriously injured in school lab accidents in the past four years.
True or False?
Aprons, gloves and other personal protective equipment should only be worn when dealing with life-threatening chemicals.
True or False?
KNOW when protective eyewear should be worn!
When chemicals, glassware, or a heating source is being used.
When working with solid materials or equipment under stress, pressure, or force that might cause fragmentation or flying particles.
When an activity generates projectiles, or uses elastic materials under stress (e.g., springs, wires, rubber, glass), or causes collisions.
When dust or fumes are present (Eye protection reduces the dust or fumes reaching the eye.).
When using preserved specimens.
Model good lab habits.
Lead by example!
Always demonstrate proper usage of lab safety equipment.
If you are demonstrating a science experiment, wear your safety goggles, apron and other PPE that may be necessary.
Educate our students.
As teachers, it is important to
educate
our students as to the reasons WHY personal protective equipment should be worn.
Extra Credit
Provide a couple points of extra credit for students who wear their safety goggles the ENTIRE lab without issues.
"Personalize It!"
If possible, add "safety goggles" to the list of each students required school supplies.
Once students have their OWN pair of safety goggles, they can decorate them as they wish. (Safely, of course)
May work better on middle school aged students.
True or False?
Pick a side!
So, as teachers, what should we do?
Ideas for Motivating Students to Wear Their Goggles/PPE
Safety in the Science Lab
False.
2 major types of safety goggles:
Impact goggles:
Generally directly vented and are appropriate for flying particles, fragmented materials, projectiles, elastic materials, and collision activities.

Resources
http://www.nsta.org/safety/eyeprotection.aspx
http://www.scientificamerican.com/article/danger-in-school-labs/
False.
Aprons, gloves and other personal protective equipment should be worn whenever necessary. The types of aprons and gloves will depend on what the class is experimenting on.
True.
AT LEAST 150 students have been injured, but research suggests the number is actually much higher than that.
Positive reinforcement.
Don't just tell them "because you said so", make them understand why it is important!
http://labsafety.flinnsci.com/Chapter.aspx?ChapterId=105&UnitId=6
KNOW when other PPE should be worn!
Lab aprons or lab coats to protect your clothes and skin.
Latex
gloves: Thin gloves that will protect against chemicals or foreign objects such as dissection parts.
Nitrile
gloves: More protective than latex gloves. **
Neoprene or butyl rubber
gloves: Heavy-duty, used for heat protection and harsh chemicals.
Chemical-splash goggles:
Fit the face surrounding the eyes snugly, and are used to prevent splashes from entering the inside of the goggle and causing injury to the eye.
https://www.google.com/search?q=safety+goggles&source=lnms&tbm=isch&sa=X&ei=dQEAVPv2K4-uogSoy4GQBA&ved=0CAYQ_AUoAQ&biw=1366&bih=624#imgdii=_
Full transcript