Bell Ringer: Lab Safety Rules

What protective equipment must be worn when working with chemicals, heat, or sharp objects?

• Lab coat

• Gloves

• Safety goggles

• Closed-toe shoes

What is the appropriate behavior when working in a laboratory?

• Horse around with friends

• Be serious and alert

• Handle equipment without permission

• Eat and drink at your lab station

Which of the following lab safety equipment should you know the location of?

• Fire extinguisher, fire blanket, first-aid kit, safety shower, and eyewash station

• Only the first-aid kit and fire extinguisher

• Only the safety shower and eyewash station

• Only the fire blanket

Are you enjoying the video lesson?

• Yes

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Why should you never heat a liquid in a closed container?

• It can cause the liquid to evaporate too quickly.

• The container might become too hot to handle.

• Expanding gases may blow the container apart.

• It can alter the chemical composition of the liquid.

What is the correct way to smell fumes from a container if instructed to do so?

• Inhale directly from the container.

• Use a "wafting" motion.

• Place your nose close to the opening.

• Shake the container to release more fumes.