1.
Which of the following should be worn in the lab
Correct Answer
D. Apron or lab coat
Explanation
In a laboratory setting, it is important to prioritize safety and minimize the risk of accidents or contamination. Loose clothes can pose a hazard as they may get caught in equipment or come into contact with chemicals. Expensive clothes are not necessary and can be damaged or stained during experiments. A necktie can also be dangerous as it can get caught in equipment or chemicals. On the other hand, wearing an apron or lab coat provides a protective layer that helps to prevent spills or splashes from coming into contact with the skin or clothing, making it the appropriate choice for lab work.
2.
You have accidentally broken a test tube and spilled a chemical on the table. Which of the following best explains what you should do?
Correct Answer
D. Caution your lab partners to avoid the area while you inform the teacher of the small accident.
Explanation
The correct answer suggests cautioning lab partners to avoid the area to ensure their safety. Additionally, informing the teacher about the accident is important as they can provide guidance on how to properly clean up the spill and dispose of the broken test tube. This response promotes responsible and safe behavior in the laboratory setting.
3.
You should wear safety goggle during every science block.
Correct Answer
B. False. You should wear goggles only when working with chemicals or heat.
Explanation
The correct answer is false because wearing safety goggles is not necessary during every science block. Goggles should only be worn when working with chemicals or heat, as these activities pose a higher risk of eye injury. Wearing goggles unnecessarily may hinder vision and create discomfort for the individual. It is important to assess the specific risks involved in each science activity and determine whether safety goggles are required.
4.
Right when you get to class, it is important to get started on the lab even if your teacher hasn't given you instructions yet.
Correct Answer
B. False. You should always read the directions before you start a lab.
Explanation
It is important to read the directions before starting a lab because they provide important information on how to safely and effectively complete the experiment. Without reading the directions, there is a risk of making mistakes or not following the correct procedures, which can lead to inaccurate results or even accidents. Therefore, it is crucial to wait for the teacher's instructions and read the directions before beginning the lab.
5.
Long hair, hanging jewelry, and loose clothing can be dangerous in a lab.
Correct Answer
A. True. They can get into chemicals, fire, or knock something over.
Explanation
Long hair, hanging jewelry, and loose clothing can pose a safety hazard in a lab environment. Long hair can get tangled in equipment or come into contact with chemicals, posing a risk of injury. Hanging jewelry can also get caught in machinery or chemicals, leading to accidents. Loose clothing can easily catch fire or get entangled in equipment, causing harm to the individual or causing spills or accidents in the lab. Therefore, it is important to avoid wearing such items in a lab setting to ensure safety.
6.
Before starting a lab you should...
Correct Answer
D. All of the above.
Explanation
Before starting a lab, it is important to read all directions to ensure that you understand the task at hand and can follow the necessary steps correctly. Clearing off your table of books, food, and drinks is important to create a clean and organized workspace, minimizing the risk of accidents or contamination. Asking the teacher about any questions you have is crucial to clarify any doubts or uncertainties, ensuring that you have a clear understanding of the lab objectives and procedures. Therefore, all of the above actions are necessary before starting a lab.
7.
SHOULD STUDENTS KNOW WHERE THE SAFETY EQUIEMENT IS?
Correct Answer
A. YES
Explanation
Students should know where the safety equipment is because it is essential for their safety in case of emergencies. Knowing the location of safety equipment such as fire extinguishers, first aid kits, and emergency exits can help students respond quickly and effectively in potentially dangerous situations. It is important for students to be aware of these resources so that they can take necessary precautions and protect themselves and others in their learning environment.
8.
WHAT SHOULD HAPPENED IF STUDENTS DO NOT FOLLOW THE SAFETY RULES?
Correct Answer
A. THEY ARE ASKED TO LEAVE THE LAB
Explanation
If students do not follow the safety rules, the appropriate action would be to ask them to leave the lab. This is because not following safety rules can pose a risk to the students and others in the lab, and it is important to prioritize their safety. By asking them to leave, it ensures that they understand the seriousness of the situation and encourages them to adhere to the safety rules in the future.
9.
Read and study all procedures for the lab investigation _____.
Correct Answer
A. Before performing the lab
Explanation
The correct answer is "before performing the lab." This means that it is necessary to read and study all procedures for the lab investigation before actually conducting the experiment. This is important because it allows the individual to understand the steps involved, the materials required, and any potential hazards or precautions that need to be taken. By familiarizing oneself with the procedures beforehand, it increases the chances of a successful and safe lab investigation.
10.
When using a flame, hair spray, mousse, or other flammable hair products _____.
Correct Answer
B. Should NOT be used in your hair
Explanation
Using a flame in conjunction with flammable hair products such as hair spray, mousse, or others can be extremely dangerous. These products contain volatile substances that can easily catch fire and cause serious injuries. Therefore, it is advised not to use these products in your hair when a flame is involved to prevent any accidents or mishaps.
11.
Proper behavior is expected in the lab because practical jokes and fooling around _____.
Correct Answer
C. Can lead to injury
Explanation
Proper behavior is expected in the lab because practical jokes and fooling around can lead to injury. In a laboratory setting, there are often hazardous materials, equipment, and experiments that require careful handling and attention. Engaging in practical jokes or fooling around can distract individuals from their tasks, leading to accidents or mistakes that can result in injuries. It is important to maintain a safe and focused environment in the lab to prevent any potential harm to oneself or others.
12.
Remain in your work area unless given permission by your teacher to leave it, and make sure your work area _____.
Correct Answer
A. Is clean and uncluttered
Explanation
The correct answer is "is clean and uncluttered". This means that you should make sure that your work area is tidy and free from any unnecessary items or mess. Keeping a clean and uncluttered work area is important for productivity and organization.
13.
Dispose of chemicals, broken glass, and flammable materials _____.
Correct Answer
D. In proper containers as instructed to do so by your teacher.
Explanation
The correct answer is "in proper containers as instructed to do so by your teacher." This is the safest and most responsible way to dispose of chemicals, broken glass, and flammable materials. Following instructions from a teacher ensures that these items are handled and disposed of properly, minimizing the risk of accidents or harm to oneself or others. It is important to follow proper procedures when dealing with potentially dangerous materials to maintain a safe environment.
14.
What is this piece of lab safety equipment used for?
Correct Answer
B. To put out fire.
Explanation
This piece of lab safety equipment is used to put out fires. It is commonly known as a fire extinguisher and is designed to release a chemical or gas that can extinguish different types of fires. It is an essential tool in laboratories and other settings where fire hazards are present, as it helps prevent the spread of fire and minimize damage or injuries.
15.
These 2 girls are working in the lab. What are they not wearing that they should be wearing?
Correct Answer
D. Gloves
Explanation
The two girls in the lab should be wearing gloves. Gloves are an essential safety precaution in a laboratory setting to protect against potential chemical spills or hazardous materials. Wearing gloves helps to prevent contamination, skin irritation, and potential injuries.
16.
When gathering glassware and equipment for an experiment, you should
Correct Answer
D. All the above
Explanation
When gathering glassware and equipment for an experiment, it is important to read all directions carefully to know what equipment is necessary. This ensures that you have all the necessary tools and materials for the experiment. Additionally, it is crucial to examine all glassware to check for any chips or cracks as damaged glassware can compromise the experiment and potentially cause accidents. Moreover, cleaning any glassware that appears dirty is essential to ensure accurate and reliable results. Therefore, the correct answer is "all the above" as all these steps are necessary when gathering glassware and equipment for an experiment.
17.
When you finish working with chemicals, biological specimens, and other lab substances, always
Correct Answer
B. Wash your hands thoroughly with soap and water
Explanation
It is important to wash your hands thoroughly with soap and water after working with chemicals, biological specimens, and other lab substances because this helps to remove any residue or contamination from your hands. Using skin lotion, wiping your hands on a towel, or wiping them on your clothes may not effectively remove the substances from your hands and could potentially spread them to other surfaces or objects.
18.
WHAT DOES THE FIRE BLANKET DO?
Correct Answer
B. HELPS YOU WHEN YOUR ON FIRE
Explanation
The fire blanket helps you when you are on fire by smothering the flames and cutting off the oxygen supply. It is a safety device that can be used to extinguish small fires or wrap around a person who is on fire to help put out the flames and prevent further injury.
19.
SHOULD STUDENTS KNOW WHERE THE SAFETY EQUIEMENT IS?
Correct Answer
A. YES
Explanation
Students should know where the safety equipment is because it is crucial for their safety and well-being. In case of any emergencies or accidents, knowing the location of safety equipment such as fire extinguishers, first aid kits, or emergency exits can help students respond quickly and effectively. It empowers them to take immediate action and potentially prevent further harm or damage. Additionally, being aware of the safety equipment promotes a culture of safety and preparedness among students, fostering a secure learning environment.
20.
WHAT IS THE EYE WASH FOR?
Correct Answer
D. TO WASH YOUR EYES WHEN CHEMICALS GET IN THEM
Explanation
The correct answer is "TO WASH YOUR EYES WHEN CHEMICALS GET IN THEM." Eye wash is used to rinse the eyes when they come into contact with chemicals or foreign substances. It helps to flush out the irritants and prevent further damage or injury to the eyes.