Lab Equipment and Safety Fundamentals

Vocabulary flashcards covering common laboratory equipment, their specific uses, and essential safety procedures and chemicals.

Funnel

Helps to transfer liquids and holds filter paper for filtration.

Erlenmeyer Flask

Holds solids and/or liquids; allows you to easily mix liquids by swirling.

Florence Flask

Allows for uniform heating, especially during distillation.

Beaker

Used to hold liquids or to heat them.

Beaker Tongs

Used to move beakers containing hot liquids.

Graduated Cylinders

Used to measure the volume of liquids; identified as the most accurate way to measure liquid volume.

Ring Stand

Supports other equipment.

Iron Ring/O-rings

Connects to a ring stand and elevates and holds equipment.

Test Tubes

Holds liquids and is used to mix chemicals.

Test tube brushes

Used to clean equipment.

Test Tube Clamp

Used to secure a test tube to the ring stand.

Test Tube Racks

Used for holding and organizing test tubes on the laboratory counter.

Test Tube Holder

Useful for holding a test tube which is too hot to handle.

Mortar and Pestle

Used to crush solids into powders; also used as a symbol to represent pharmacies.

Evaporating Dish

Used to evaporate liquids and mixtures.

Crucible

A small ceramic bowl used to heat material to very high temperatures.

Crucible Tongs

Tongs for handling hot crucibles; also used to pick up other hot objects.

Clay Triangle

Used as support for equipment being heated or a funnel when filtering.

Wire Screen/Mesh

Sits on the iron ring to provide a flat base to stand a beaker.

Dropper/Pipette

Transfers or measures liquids in small quantities, sometimes drop by drop.

Watch Glass

Used to hold a small amount of solid, such as the product of a reaction, or to prevent spattering.

Bunsen Burner

Heat source used for heating liquids and solids.

Hottest Point of Flame

The tip of the light blue inner cone.

Spatulas and Scoopulas

Used to transfer chemicals.

Hot Plate

Used for heating objects or containers.

Electronic Balance

Used to mass materials; should never have chemicals placed directly on it.

Meter Stick

Used to measure length; the SI unit is the meter.

Thermometer

Used to measure temperature in ${^\circ C}$ or the SI Unit Kelvin.

Goggles

Protective gear used to protect the eyes.

Aprons

Protects clothing during lab work.

Buret

Precisely measures volume of a liquid used in a reaction; used in Titrations.

Well Plate

Used to mix small amounts of chemicals.

Wafting

The technique used to test chemical odor safely.

Sodium bicarbonate

Chemical used to neutralize acids.

Acetic acid

Chemical used to neutralize bases.

Acid Dilution Rule

Always add acid to water, never water to acid.

Radiation Safety

Indicates substances are radioactive and are an immediate danger to living organisms.

Biological Hazard Safety

Indicates a substance contains infectious and disease causing substances.