Lab Safety and Hazard Symbols

What does this symbol indicate?

• Corrosive substances

• Wash your hands.

• Wear appropriate gloves.

• Bacteria are present.

You should never ______ chemicals in the lab. 

• taste
• touch
• smell
• all of the above

This lab student is wearing her googles and an apron. But what is she doing wrong?

• Pointing the test tube toward her while heating it.

• She actually is doing everything correctly.

• Her loose hair is too close to the fire.

• Not paying attention

What do you think this symbol means?

• explosive

• toxic

• flammable

• oxidising

Identify the Image

• Radioactive

• Flammable

• Biological hazard

• Toxic

What does this safety symbol mean?

• Harmless for the environment

• Harmful to non living things

• Dangerous for the environment

• Harmless to non living things

Tags

NGSS.MS-ESS3-4

What does this safety symbol mean?

• flammable

• oxidising

• hot

• explosive

Tags

NGSS.MS-PS1-2

What does this safety symbol mean?

• Corrosive

• Irritant

• Biohazard

• Flammable

Tags

NGSS.MS-PS1-2

What do you think this symbol means?

• Emergency eye wash station

• Safety shower

• Transporter beam system

• Keep area dry

 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