Earth Science Lab Safety Essentials

What should you do if you are unsure about any part of an experiment?

• Continue with the experiment

• Ask your instructor

• Guess the next step

• Stop the experiment immediately

Where should you keep papers and other objects during an experiment?

• In your bag

• On the lab table

• Near open flames

• Away from open flames and chemicals

What should you do before starting a laboratory experiment?

• Wash your hands and put on lab gloves

• All of the above

• Inspect safety goggles and lab apron for damage

• Read laboratory procedures

Why is it important to wear safety goggles in the lab?

• To avoid dust

• To protect your face from heat

• To block chemicals from splashing into your eyes

• To look cool

What type of clothing should be avoided in the lab?

• Closed-toed shoes

• Loose-fitting or baggy clothing

• Long sleeve shirts

• Jeans or pants

What is the first step to take in the event of an accident in the lab?

• Notify your instructor or another adult

• Panic and run

• Ignore it

• Try to fix it yourself

How should you handle broken glass in the lab?

• With bare hands

• Using a broom and dustpan

• With caution and dispose of it in a bin dedicated to broken glass

• Leave it for someone else to clean

What should you do if your clothes catch on fire in the lab?

• Call for help

• Use water to extinguish the flames

• Stop, drop, and roll

• Run to the nearest exit

Where should you work with flammable chemicals?

• On the lab table

• Near an open flame

• In the designated chemical fume hood

• In a closed container

What should you do if you are exposed to infrared radiation in the lab?

• Ignore it

• Continue working

• Leave the lab immediately

• Notify your instructor and apply first aid