Lab Safety and Procedures 24-25

What is the first step you should take before conducting a lab experiment?

• A. Start setting up the equipment.

• B. Review the safety guidelines.

• C. Ask the instructor for help.

• D. Begin mixing the chemicals.

If a laboratory fire erupts while Sophia and Henry are conducting an experiment, immediately-

• A. notify your teacher.

• B. run for the fire extinguisher.

• C. throw water on the fire.

• D. open the windows.

Safety goggles are worn in the laboratory-

• A. to avoid eye strain.

• B. only if you don’t have glasses.

• C. to improve your vision.

• D. any time chemicals, heat, or glassware are used.

When you finish using a chemical in the lab, you should-

• A. leave it on the lab bench.

• B. follow the disposal instructions given by the instructor.

• C. pour it down the drain.

• D. take it home with you.

When Ethan and Liam are using sharp instruments such as scissors, scalpels, etc. They should carry them with the tips pointing-

• A. toward yourself and up.

• B. toward your lab partner.

• C. toward another classmate.

• D. toward the floor and away from all people.

When handling electrical equipment.....

• A. keep electrical cords out of the aisles.

• B. toward your lab partner.

• C. grasp the plug and not its cord.

You have been injured in the lab (cut, burn, etc.). First, you should-

• visit the school nurse after class.

• see a doctor after school.

• tell Mrs. V at once.

• apply first aid yourself.

When gathering glassware and equipment for an experiment, you should...

• read all directions carefully to know what equipment is necessary.

• examine all glassware to check for chips or cracks.

• clean any glassware that appears dirty.

• All others are correct.

Personal eyeglasses provide as much protection as-

• a face shield

• safety goggles

• a fume hood

• none of these

Long hair in the lab must be-

• cut short.

• tied back or kept entirely out of the way with a hair band or hairpins.

• moved away from your face with your hand when necessary.

• held away from the experiment with one hand.