Lab safety and Lab equipment

What should you consider about all chemicals in the lab?

• All chemicals in the lab are to be considered dangerous.

• Only some chemicals are dangerous.

• All chemicals are safe if handled properly.

• Chemicals are only dangerous when mixed with others.

How should you dispose of chemical wastes after an experiment?

• Dispose of according to your instructor's directions.

• Pour it down the sink with water.

• Throw it in the regular trash.

• Leave it on the lab bench for the next class.

Tags

NGSS.HS-ETS1-3

What is the importance of reading labels on chemical containers?

• To understand the hazards and proper handling instructions for the chemicals.

• To determine the price of the chemicals.

• To identify the manufacturer of the chemicals.

• To check the expiration date of the chemicals.

What is the correct way to smell a chemical in the lab?

• Waft the smell towards your nose using your hand.

• Directly inhale the chemical from the container.

• Use a straw to suck the air from the container.

• Smell the chemical from a distance without wafting.

Is it acceptable to eat in the lab if you clean up afterward?

• Yes, it is acceptable as long as you clean up afterward.

• No, eating in the lab is not allowed.

• Only if you are working on a project.

• Yes, but only during breaks.

What is the role of personal protective equipment (PPE) in the lab?

• To enhance the aesthetic appeal of the lab.

• To protect individuals from exposure to hazardous materials.

• To improve the efficiency of lab equipment.

• To provide comfort during long lab hours.

What should you do if a harmful chemical splashes in your eyes or on your skin?

• Flush with water at the eyewash station or in the lab shower and tell the teacher.

• Rub your eyes and skin vigorously to remove the chemical.

• Ignore it and continue working until the end of the experiment.

• Cover the affected area with a bandage and wait for assistance.

Tags

NGSS.HS-ETS1-3

What is the purpose of a fire extinguisher in the lab?

• To put out small fires and ensure safety in case of an emergency.

• To provide light during power outages.

• To store chemicals safely.

• To ventilate the lab environment.

What should you do if you spill a chemical on the lab bench?

• Ignore it and continue working.

• Notify the teacher and follow the proper cleanup procedures.

• Wipe it up with a paper towel immediately.

• Pour water on it to dilute the chemical.

Tags

NGSS.HS-ETS1-3

What should you do with leftover chemicals after an experiment?

• Dispose of them according to your instructor's directions.

• Pour them down the sink immediately.

• Store them in a random cabinet.

• Leave them on the lab bench for the next class.