2025 Review for Final Lab Safety/ States of Matter

Identify the graduated cylinder:

Identify the beaker:

During a chemistry experiment in the school lab, Jane realized her long hair should be ____________.

• tied back

• cut

• down

• curled

(True or False) Horse playing is allowed in the laboratory

• true

• false

Approved eye protection devices (such as goggles) are worn in the laboratory

• to avoid eye strain

• to improve your vision

• so that you look super cool

• any time chemicals, heat or glassware are used

In a high school chemistry lab, students are learning about different chemicals. The teacher instructs them that the proper technique for smelling chemicals is ______________

• keeping your nose close to the glassware containing the chemical

• wafting the air above the chemical towards your nose

• to sniff only a small amount of the chemical

• Trick question; students are never allowed to smell chemicals in class

What should be done with chemical waste after completing an experiment?

• Leave it at your station

• Dispose of it properly

• Dump it in the trash

• Pour it down the sink

What should you do if a piece of equipment breaks?

• Keep it to yourself

• Tell your lab partner

• Notify your instructor

• Clean it up by yourself

What should you do if you do not understand part of the lab instructions?

• Ask your instructor for help

• Skip that part of the lab

• Ask your lab partner

• Figure it out during the lab

What should you do if you are injured during a lab?

• See the school nurse after class

• See a doctor after school

• Attempt first aid on your own

• Notify your instructor immediately