Lab Safety Essentials for Chemistry and Biology Activities

This video tutorial covers essential lab routines and safety expectations for students. It emphasizes the importance of pre-lab preparation, including safety, materials, and procedures. On lab day, students must follow specific procedures, wear appropriate attire, and work as a team. Post-lab, students are responsible for cleaning and proper waste disposal. The video also highlights common lab safety techniques and actions to avoid, ensuring a safe learning environment.

Why is completing the pre-lab assignment crucial for lab safety?

• It is not important for lab safety.

• It allows students to skip the lab if they want.

• It ensures students know the safety procedures and materials.

• It helps students finish the lab faster.

What should you do with your cell phone during the lab?

• Keep it in your pocket.

• Use it to take notes.

• Store it away from the lab station.

• Leave it at the lab station.

What is the consequence of leaving a messy lab station for the next period?

• You will have to clean it after school.

• Your group will lose 10% of the lab grade.

• The teacher will clean it for you.

• There are no consequences.

What should you do if a team member is not following class expectations?

• Take over their tasks.

• Politely remind them and notify the teacher if necessary.

• Ignore them and continue with your work.

• Do nothing and let them face the consequences alone.

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

• Do not smell it at all.

• Ask a friend to smell it for you.

• Waft the fumes towards your nose with your hand.

• Directly sniff the chemical.

What should you always do after handling chemicals in the lab?

• Use hand sanitizer.

• Wipe your hands on your clothes.

• Wash your hands with soap.

• Rinse your hands with water only.

What should you never do with unused chemicals?

• Pour them back into the original container.

• Leave them on the lab bench.

• Dispose of them according to instructions.

• Mix them with other chemicals.

Why should you never pull on an electrical cord?

• It might get tangled.

• It could break the cord and expose the circuit.

• It will make the equipment stop working.

• It is not a problem to pull on the cord.

What is the risk of using flames near volatile chemicals?

• It will cool down the chemicals.

• There is no risk.

• It could cause a chemical reaction and fire.

• It will make the chemicals evaporate.

Where should you point a test tube when heating it?

• Towards the ceiling.

• Towards the wall.

• Towards yourself.

• Towards another student.