Lab Safety Procedures - Science Class

Questions and Answers

What should you do if you notice unsafe conditions in the laboratory?

Wait until the end of the lab to report.

Notify the instructor immediately. (correct)

Ignore them and continue working.

Fix the issue yourself before reporting.

Which of the following is NOT a requirement when handling sharp instruments?

Always cut towards your body. (correct)

Grasp instruments only by the handles.

Carry instruments with tips pointing down.

Do not attempt to catch falling instruments.

What is the primary purpose of using a fume hood in the laboratory?

To store chemicals safely.

To ventilate harmful vapors and maintain safety. (correct)

To heat substances safely.

To provide a workspace that prevents accidents.

Why is it important to sign the safety contract before participating in laboratory activities?

It confirms your understanding of safety protocols. Signup and view all the answers

What is the consequence of mixing chemicals in sink drains?

It can create harmful reactions. Signup and view all the answers

What is the primary safety protocol regarding personal attire in the laboratory?

Long hair must be tied back, and dangling jewelry must be secured. Signup and view all the answers

How should accidents or injuries be reported in the laboratory setting?

Immediately report any accident or injury to the instructor, regardless of its severity. Signup and view all the answers

What actions should be taken if a chemical splashes into the eyes or on the skin?

Flush the affected area with running water for at least 20 minutes. Signup and view all the answers

What should students do before starting any experiment in the laboratory?

Read the labels and equipment instructions carefully. Signup and view all the answers

What is the protocol regarding the use of food or beverages in the laboratory?

Eating and drinking are strictly prohibited in the laboratory setting. Signup and view all the answers

Study Notes

Purpose of the Science Laboratory

Prioritize safety in science classrooms for students, teachers, and parents.
Hazards include the use of hazardous chemicals in hands-on laboratory activities.
Familiarity with the locations of safety equipment such as first aid kits, eyewash stations, safety showers, fire extinguishers, and fire blankets is crucial.

Safety Rules Overview

Signing a student safety contract is mandatory for participation in laboratory activities.
Maintain awareness of surroundings and report unsafe conditions to the instructor immediately.

Clothing and Personal Safety

Proper attire is essential; secure long hair, avoid dangling jewelry, and ensure clothing is fitted.
Closed-toe shoes are required; sandals are prohibited. Lab aprons must be worn during experiments.

Chemical Safety and Handling

Wear laboratory goggles whenever handling chemicals, heat, or glassware—no exceptions.
Dispose of chemical waste correctly; do not mix chemicals in sink drains.
Use the fume hood for working with volatile substances; do not place your head in the fume hood.

General Laboratory Conduct

Responsible behavior and adherence to instructions are essential; never work alone in the lab.
Do not consume food or beverages, touch equipment, or engage in unauthorized experiments.
Keep hands away from face while using chemicals and wash hands thoroughly after experiments.

Accidents and Emergencies

Report all accidents or injuries, no matter how minor, to the instructor immediately.
Know emergency procedures: yell "Code one" for immediate help and use eyewash stations or safety showers as needed.
In case of broken mercury thermometers, notify the instructor and follow proper clean-up procedures.

Lab Procedures

Read all labels and instructions carefully before using equipment and chemicals.
Ensure all work surfaces and equipment are cleaned and returned to storage in working order after use.
Experiments must be monitored closely, staying at assigned workstations to avoid distractions.

Description

This quiz focuses on the essential safety procedures necessary for conducting experiments in a laboratory setting. You will learn about the locations and proper use of safety equipment, as well as safe handling practices for sharp instruments. Be prepared to demonstrate your knowledge of these important safety protocols.