WorksheetsSafety and Laboratory Procedures Quiz
Total questions: 39
Worksheet time: 39mins
Rohan is driving on a highway and sees a triangular sign with an exclamation mark. What does this sign usually indicate?
Caution
Emergency
Warning
Information
Which of the following symbols indicates that you should wear safety goggles?
A triangle with an exclamation mark
A square with a picture of goggles
A circle with a cross
A hexagon with a hand
How many people may stand inside the safety zone of a machine?
One student and One instructor.
One person.
As many as needed to complete the task.
The whole group working on the project.
Why is it crucial for students to follow safety protocols in the chemistry lab?
To complete experiments more quickly
To maintain a tidy workspace
To avoid hazards and ensure everyone's safety
To make the lab experience more enjoyable
Which of the following is NOT a piece of Personal Protective Equipment (PPE)?
Safety goggles
Lab coat
Work gloves
Cell phone
The following footwear is best in the laboratory.
sandals
open-toed shoes
shoes appropriate for the weather
closed-toed shoes
When should Nora wear a lab coat in the lab?
Only when you are working with chemicals
Only when working with electrical equipment
At all times while in the laboratory
Only when told by the teacher
Olivia needs to measure a piece of wood 3 1/2 long for her school project. Which tool would she use?
Ruler
Tape measure
Screwdriver
Wrench
What is the first step you should take before operating unfamiliar equipment in the lab?
Consult the equipment's manual or SOP
Ask a colleague for a quick tutorial
Experiment with the controls
Operate it based on intuition
What is the best practice for storing tools after use?
Leave them scattered around
Organize them in their proper storage area
Put them under the table
Store them in a random box
Which of the following is an example of a safe laboratory practice?
Running in the lab
Eating food in the lab
Keeping your work area tidy
Ignoring spills on the floor
When using a power tool, what should you always do first?
Check that the power tool is plugged in
Make sure you are wearing PPE
Turn on the tool and start working immediately
Ask someone to show you how it works
What is the main function of a safety shower in the lab?
To wash hands
To rinse off chemicals
To store safety equipment
To dry lab coats
Which of the following should you NOT do when working with sharp tools?
Cut away from your body
Use the tool for its intended purpose
Leave the tool lying around
Keep your fingers clear of the cutting area
If you accidentally spill a chemical, what should you do?
Ignore it and continue working
Clean it up immediately following the lab's spill procedures
Sarah is working on a new shelving project and needs to drill a hole in a piece of wood. What factors should she consider when selecting the drill bit and the drill to use?
Choose the largest drill bit available and use the highest speed setting on the drill for a quicker job.
Select a drill bit that matches the diameter of the hole you need, and use a drill with adjustable speed settings to control the drilling speed.
Use a hammer to create the hole, as it is faster than using a drill.
Pick any drill bit and use the drill at maximum force, regardless of the material.
When using a table saw for a woodworking project, what precautions should be taken to ensure safety?
Ensure the blade guard is in place and use a push stick to maintain a safe distance from the blade.
Remove the blade guard for better visibility and use the saw without any safety gear.
Operate the saw with a worn-out blade to prevent any splintering of the wood.
Allow the wood to move freely during cutting to avoid jamming the saw.
Emma is using a circular saw to make a cut in a sheet of plywood. Which of the following steps is crucial for safe operation of the saw?
Ensure the plywood is securely clamped or supported, and make sure to keep hands away from the cutting path.
Operate the saw without adjusting the blade depth to make the cut more efficient.
Use the saw with the blade guard removed for better visibility of the cut.
Hold the plywood in place with one hand and guide the saw with the other hand.
James is working in the lab and notices a sign placed near a machine. What does it specifically indicate, and what precautions should he take?
The machine is not in use. Ensure the machine is turned on before starting work.
The machine is for authorized personnel only. Do not operate the machine unless you are trained.
Do not touch moving parts of the machine. Keep hands and clothing away from the machine while it is operating.
The machine requires maintenance. Do not use it until it is repaired.
Why is it important for someone to familiarize themselves with the safety instructions in the power drill's manual?
To learn about the tool's color options and design features.
To ensure he uses the drill safely and effectively, preventing accidents and damage.
To find out about the company's history and achievements.
To understand the warranty terms and conditions.
While conducting a science experiment, a student was told that safety goggles are only necessary when working with chemicals. Is this true?
True
False
Sam found a hammer with a broken handle in the garage. Is it safe for him to use it, as long as it seems to work?
True
False
A student is working in a laboratory and needs to handle hazardous chemicals. Personal Protective Equipment (PPE) should be worn according to the specific task and hazard.
True
False
Aria is working in a laboratory and is considering whether to follow the Standard Operating Procedures (SOPs) provided. She believes SOPs are only suggestions and can be ignored if she knows what she is doing. Is this true?
True
False
James and Grace are working in the school laboratory. Explain why it is important for them to follow safety signs and symbols.
To ensure personal safety and prevent accidents
To make the laboratory look organized
To impress visitors with knowledge of signs
To avoid having to read safety manuals
Before using a new microscope for her biology project, what should Olivia do to ensure she operates it correctly?
Read the user manual thoroughly
Start using the tool immediately
Ask a colleague for help
Ignore safety instructions
Which Personal Protective Equipment (PPE) is essential for everyone to wear while handling chemicals in the lab?
Gloves
Face shield
Respirator
All of the above
While working in the lab, Zoe notices a safety hazard. What should she do?
Ignore it and continue working
Report it to the supervisor immediately
Try to fix it yourself
Leave the lab and inform no one
Why is it important for students to keep their lab workstations organized during experiments?
To minimize the chance of spills and accidents
To increase the number of students in the lab
To eliminate the need for lab coats
To allow for more complex experiments
What does the following sign mean?
It indicates a hazardous situation which, if not avoided, could result in minor injury.
Wear appropriate eye protection, hearing protection, and respiratory protection.
It indicates a hazardous situation which, if not avoided, could result in death or serious injury.
It is used to address practices not related to physical injury.
(a) is a set of instructions that outlines how to preform a task or routine operation.
What should we do from this sign?
Run faster
Walk slowly
Do not walk
Take shoes off
What hazard is this safety sign warning you about?
Flammable
What hazard is this safety sign warning you about?
Biohazard
What hazard is this sign warning you about?
Hot surface
A toxic substance is poisonous if it enters your body.
This is a biohazard - a substance that can transmit disease.
What does this symbol indicate?
drinking water station
eye wash station
