Lab Safety Essentials for Successful Experiments

The video tutorial covers essential laboratory safety rules, emphasizing the importance of following these guidelines to ensure safety when conducting scientific experiments. It discusses general lab rules, the necessity of protective clothing, proper handling of glassware and equipment, chemical safety, heat safety, and protocols for working with microorganisms. The tutorial concludes with a reminder to access practice questions and encourages viewers to engage with the content.

What is the primary reason for following laboratory safety rules?

• To avoid cleaning up

• To impress the instructor

• To ensure the safety of everyone in the lab

• To complete experiments faster

What should you do before starting any experiment in the lab?

• Take a break

• Check the weather forecast

• Review the material safety data sheets

• Call a friend

Which of the following is NOT a piece of protective clothing recommended for lab work?

• Sandals

• Face mask

• Safety goggles

• Lab coat

How should you handle chipped or broken glassware?

• Throw it in the regular trash

• Ignore it

• Notify the instructor and dispose of it properly

• Use it carefully

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

• Ignore the smell

• Ask someone else to smell it

• Use your hands to waft the vapors towards you

• Directly inhale from the container

Why should you never add water to acid?

• It can cause an explosion

• It will change the color of the acid

• It will dilute the acid

• It will make the acid less effective

What should you do if there is a chemical spill in the lab?

• Clean it up immediately without telling anyone

• Notify the instructor and follow their instructions

• Ignore it

• Cover it with paper towels

What is the risk of heating liquids in a closed container?

• The liquid will evaporate

• The liquid will cool down

• The container will change color

• The container may explode

How should you treat all microorganisms in the lab?

• As non-reactive

• As friendly

• As potential pathogens

• As harmless

What should you do before and after working with microorganisms?

• Eat a snack

• Sanitize your hands

• Take a nap

• Call a friend