lab safety

What is the part of an experiment that serves as a standard for comparison?

• Control Group

• Hypothesis

• Constant

• Variable

What is the primary purpose of safety goggles in a laboratory setting?

• To prevent hair from falling into your eyes

• To correct vision
• To protect the eyes from harmful substances
• To block out light

Why is it important to tie back long hair and remove loose clothing before conducting a lab experiment?

• To avoid getting dirty

• To keep hair and clothing in fashion

• o prevent chemicals from staining your clothes

• To reduce the risk of accidents and   contamination   

If a fire breaks out in the lab, what should you do first?

• Try to put out the fire yourself
• Continue with your experiment
• Run out of the lab
• Notify the teacher and follow the fire evacuation plan

• Pour water on the fire

When should you taste or eat anything in the lab?

• When you are hungry
• When the experiment is over
• Only during designated break times

• Never

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

• Immediately wash the area with soap and water
• Ignore it as it will dry off
• Rub the area with a dry cloth

• Apply sterile lotion to the area

What should you do if you break a piece of glassware, like a test tube?

•  Sweep the pieces into a trash bin

• Pick up the pieces with your bare hands
• Tell a friend to clean it up
• Notify your teacher or supervisor immediately

Why is it important to read and follow instructions before starting a lab experiment?

• To ensure safety and accuracy of results
• To finish the experiment quickly
• To avoid asking questions
• To make the experiment more interesting

Which of the following is NOT appropriate lab attire?

• Closed-toe shoes
• Lab coat
• Safety goggles
• Sleeveless shirt

If a chemical splashes into your eye, what should you do?

• Rub your eye with your hand
• Use a tissue to wipe it out
• Blink rapidly to remove the chemical
• Immediately rinse your eye with water