Lab Safety Concepts and Rules

Vocabulary flashcards covering laboratory safety procedures, equipment handling, dressing regulations, and emergency protocols.

Wafting

The technique of keeping chemicals away from your face and waving fumes toward your nose to smell them safely.

Adding Acid Rule

The lab rule stating that you must always add acid to water, never water to acid.

Chemical Label Hand Placement

Holding your hand over the chemical bottle's label when pouring to prevent drips from destroying the label and getting on your hand.

Falling Lab Equipment Rule

The chemical handling rule stating that if an item falls, you must let it fall and not attempt to catch it.

Large Chemical Spill Cleanup

The process of using absorbent material to soak up large spills and sweeping it up with a broom after notifying the teacher.

Bunsen Burner Emergency Action

Turning off the gas supply immediately if the flame sputters, flares, goes out, or if gas is smelled.

Glassware Heating Check

Inspecting glassware for stars or cracks before applying heat to prevent breakage.

Test Tube Heating Technique

Moving test tubes back and forth at an angle over a flame during heating.

Hot Glassware Identification Rule

The principle that hot glass in the lab does not look hot, requiring the use of beaker tongs or hot mitts.

Lab Footwear Requirement

Wearing closed-toe shoes and strictly avoiding sandals in the laboratory.

Eye Protection Standard

Goggles equipped with side shields that must be worn to cover the eyes.

Thermometer Placement Safety

Laying thermometers flat away from the edge of the lab table so they do not roll off.

Eyewash Fountain

Emergency equipment used to rinse chemicals out of the eyes.

Safety Shower

Emergency equipment used to rinse large chemical spills from body and clothes, or to extinguish clothing fires.

Fire Blanket

Emergency equipment used as a last resort to extinguish a fire while keeping flames away from the face and neck.