Science Safety Quiz

Which of the following is NOT acceptable behavior in the lab?

• Sitting on the lab tables

• Reading the lab procedure before starting the lab

• Staying at your lab station when an experiment is in progress

• Listening to oral and written directions given by your teacher

Answer explanation

Sitting on the lab tables is NOT acceptable behavior as it can damage equipment and create safety hazards. The other options promote safety and proper lab conduct.

In a lab you should dress

• With long hair down

• In baggy clothing

• Wearing goggles if the lab requires them

• In sandals

Answer explanation

In a lab, safety is paramount. Wearing goggles if required protects your eyes from potential hazards, making it the correct choice. Long hair should be tied back, baggy clothing can be unsafe, and sandals offer inadequate foot protection.

When handling chemicals in a lab, what is the proper procedure?

• Never remove chemicals from the lab area

• Do not touch, taste, or smell any chemicals unless the teacher says so

• Throw all chemical waste into the trash can

• Both (a) and (b) are correct

Answer explanation

The correct procedures for handling chemicals in a lab include never removing them from the lab area and not touching, tasting, or smelling any chemicals unless instructed by the teacher. Therefore, both (a) and (b) are correct.

When should you wash your hands in the lab?

• Before entering

• After working in the laboratory

• Only if they are dirty

• Before leaving the school.

Answer explanation

You should wash your hands after working in the laboratory to remove any contaminants or chemicals that may have come into contact with your skin, ensuring safety and hygiene.

Is it okay to play practical jokes during a lab?

• Yes

• No

• Only with friends

• Only if the teacher allows.

Answer explanation

No, it is not okay to play practical jokes during a lab. Labs require focus and safety, and jokes can lead to distractions or accidents, compromising the learning environment and safety protocols.

What is the correct action if you see a friend using a Bunsen burner unsafely?

• Ignore them

• Tell a teacher

• Join them

• Leave the room

Answer explanation

The correct action is to tell a teacher. This ensures safety by addressing the unsafe use of the Bunsen burner, as ignoring, joining, or leaving the room does not resolve the potential danger.

What should you do before leaving the lab?

• Leave immediately

• Wash your hands

• Take all materials

• Tell a joke

Answer explanation

Before leaving the lab, it's essential to wash your hands to remove any contaminants and ensure hygiene. This practice helps prevent the spread of harmful substances and maintains a safe environment.

What should you do if you need to leave the lab temporarily?

• Leave your work unattended

• Ask for permission

• Run out quickly

• Take your work with you.

Answer explanation

Asking for permission is essential to ensure safety and proper protocol in the lab. Leaving work unattended or running out quickly can lead to accidents or loss of data. Taking your work with you may not always be feasible.

What is the first thing to do if you notice a safety hazard in the lab?

• Fix it yourself

• Report it to the teacher

• Ignore it

• Tell a friend

Answer explanation

The first step upon noticing a safety hazard in the lab is to report it to the teacher. This ensures that the issue is addressed properly and safely, rather than attempting to fix it yourself or ignoring it.

What is the best way to get a classmate's attention in the lab?

• Throw something

• Shout loudly

• Raise your hand

• Tap them gently.

Answer explanation

Raising your hand is a polite and effective way to get a classmate's attention in the lab. It is non-disruptive and clearly signals that you need their focus, unlike shouting or throwing something, which can be inappropriate.