lab safety and safety symbol

 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

 After completing an experiment, all chemical wastes should be

• taken home
• dumped in the sink
• disposed of according to your instructor’s directions
• left at your lab station for the next class

Tags

NGSS.MS-ESS3-3

You are heating a substance in a test tube. Always point the open end of the tube 

• away from all people
• toward another classmate
• toward your lab partner
• toward yourself

Tags

NGSS.HS-ETS1-3

 The following footwear is best in the laboratory. 

• shoes appropriate for the weather
• open-toed shoes
• closed-toed shoes
• sandals

What safety symbol is this?

• Eye Protection
• Clothing Protection
• Hand Protection
• Heat Protection

What safety symbol is this? 

• Electrical Safety
• Animal Safety
• Heat Protection
• Sharp Object Hazard

What safety symbol is this?

• Clothing Protection
• Hand Protection
• Eye Protection
• Sharp Object Hazard

What safety symbol is this? 

• Eye Protectin
• Hand Protection
• Caustic Substance
• Animal Safety

What does this symbol indicate? 

• Extreme temperatures
• Corrosive materials
• Sharp surfaces
• Electrical hazard

Tags

NGSS.MS-PS3-3

What does this symbol indicate? 

• Fumes are present; ventilation required.
• Fumes are present; inhale deeply.
• Moisture is condensing; use a test tube to collect. 
• Spill safety.