Lab Techniques & Safety

What is the primary purpose of wearing closed shoes, long pants, and lab coats in the laboratory?

• To minimize exposure and potential injuries

• To look professional

• To keep warm

• To follow fashion trends

Why is eye protection crucial in a laboratory setting?

• To prevent permanent damage to the eyes

• To enhance vision

• To match the lab coat

• To avoid dust

What is the function of the Hazard Diamond and Safety Data Sheets?

• To offer critical information on chemical properties

• To provide decoration

• To serve as a paperweight

• To act as a calendar

How do fume hoods contribute to laboratory safety?

• By cooling the room

• By preventing hazardous vapors from reaching the breathing zone

• By providing extra storage

• By acting as a light source

Tags

NGSS.HS-ETS1-3

What is a recommended technique to prevent spills when handling liquids in the lab?

• Avoid pouring altogether

• Pour chemicals slowly

• Use a straw

• Pour chemicals confidently

What should be done immediately if an accident occurs in the lab?

• Ignore it

• Report the incident immediately

• Wait until the end of the day

• Clean it up without telling anyone

Why is it important to know the correct waste disposal method before starting experiments?

• To protect the environment and laboratory personnel

• To impress the teacher

• To avoid using the wrong bin

• To save time

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

What is a common cause of cuts and punctures in the lab?

• Using tools improperly

• Improper handling of glassware

• Wearing gloves

• Using plastic containers

What should be done to prevent serious accidents when handling glassware?

• Ignore broken glass

• Use hands to clean broken glass

• Lubricate rods before insertion

• Use plastic instead

What is the importance of training and familiarity with emergency equipment in the lab?

• To avoid using the equipment

• To prevent permanent damage during accidents

• To pass a test

• To impress peers