S24 ENV - Unit 0.5: Lab Safety Checkpoint

What is the primary purpose of wearing goggles in a biology lab?

• To improve vision

• To protect eyes from chemical splashes

• To look professional

• To keep the lab clean

Which is a correct procedure for handling chemicals in the lab?

• Pour chemicals directly into the sink

• Smell chemicals directly to identify them

• Use a fume hood when working with volatile substances

• Mix chemicals without reading labels

Tags

NGSS.HS-ETS1-3

What should you do first if a chemical spills on your skin?

• Wipe it off with a cloth

• Rinse immediately with water

• Apply lotion

• Ignore it if it doesn't hurt

Why is it important to know the location of the emergency shower in the lab?

• To clean up after experiments

• To use in case of a fire

• To quickly wash off hazardous chemicals from the body

• To store lab coats

Which is NOT proper lab attire?

• Closed-toe shoes

• Long pants

• Loose, flowing sleeves

• Lab coat

What should you do if a fire breaks out in the lab?

• Panic and run

• Use the nearest fire extinguisher and follow the evacuation plan

• Wait for someone else to handle it

• Continue with your experiment

How should broken glassware be disposed of in the lab?

• Throw it in the regular trash bin

• Leave it on the lab bench

• Place it in a designated glass disposal container

• Sweep it under the table

Why tie back long hair in the lab?

• To keep it clean

• To prevent it from catching fire or getting caught in equipment

• To look neat

• To avoid distractions

What safety precautions should you take when using a Bunsen burner?

• Light it with a match while leaning over it

• Ensure flammable materials are nearby

• Check for gas leaks and keep flammable materials away

• Use it without supervision

How to safely conduct an experiment with hazardous chemicals?

• Ignore safety protocols and proceed

• Consult the Material Safety Data Sheets (MSDS) and prepare necessary safety equipment

• Ask a friend for advice

• Use trial and error