Safety

While performing an experiment in the lab you read that you will be working with an open flame, glass beakers, and water.  What are the correct pieces of safety equipment you must be wearing?

• gloves, goggles
• goggles, gloves, apron
• apron, goggles
• gloves, apron

When in the lab...

• long sleeves and loose clothing should be rolled up
• closed toe shoes should be worn
• long hair should be pulled back
• all of the above

 If you do not understand a direction or part of a lab procedure, you should 

• skip it and go on to the next part.
• ask the instructor before proceeding
• try several methods until something works
• figure it out as you do the lab

You have been injured in the laboratory (cut, burn, etc.). First you should

• apply first aid yourself
• tell the science instructor at once
• see a doctor after school
• visit the school nurse after class

Chipped or cracked glassware is okay to use.

• True
• False

Read all procedures thoroughly before entering the laboratory

• True
• False

All chemicals in the lab are to be considered dangerous

• True
• False

What safety symbol is this? 

• biohazard
• radiation
• toxic
• corrosive

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

What does this symbol indicate?

• Corrosive substances are present; protect your hands.
• Wash your hands.
• Extreme temperatures are present; wear appropriate gloves.
• Bacteria are present.

Tags

NGSS.MS-PS1-2

What safety symbol is this?

• Flammable 
• Oxidizing Agent
• No Open Flame
• Explosion