Common Laboratory Equipment Vocabulary

A collection of flashcards identifying common laboratory tools and equipment used in biology and chemistry, based on the provided lecture diagrams.

Scalpel

A small, extremely sharp bladed instrument used for anatomical dissection.

Bunsen burner

A laboratory tool that produces a single open gas flame, used for heating, sterilization, and combustion.

Iron ring

A circular metal piece that attaches to a ring stand to provide support for other equipment like wire gauze or a clay triangle.

Wire gauze

A wire mesh placed on an iron ring to support a beaker or flask and distribute heat evenly.

Ring stand

A metal pole supported by a stable base that holds various clamps and attachments used in laboratory experiments.

Crucible tongs

A scissor-like tool used for grasping and lifting a hot crucible or other glassware.

Beaker

A wide-mouthed, cylindrical container with a pouring lip, used for holding, mixing, and heating liquids.

Erlenmeyer flask

A conical laboratory flask with a flat bottom and a cylindrical neck, used for mixing and storing chemicals.

Graduated cylinder

A tall, narrow container with precise markings used to measure the volume of liquids.

Thermometer

An instrument used to measure temperature in degrees Celsius or other units.

Funnel

A tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.

Compound microscope

An optical instrument used for viewing very small specimens that are not visible to the naked eye.

Microscope slides

Thin, flat pieces of glass used to hold specimens for observation under a microscope.

Florence flask

A round-bottomed laboratory flask with a long neck, designed for uniform heating, boiling, and ease of swirling.

Condenser

A laboratory apparatus used to cool hot vapors or liquids, often as part of a distillation setup.

Buret

A graduated glass tube with a stopcock at the bottom, used for delivering precise volumes of liquid, especially in titrations.

Scoopula

A spatula-like scoop utensil used primarily in chemistry to transfer solid chemicals.

Ceramic square

A heat-resistant pad used to protect surfaces from hot glassware or equipment.

Mortar and pestle

A pair of tools used to crush, grind, and mix solid substances into a fine powder.

Platform balance (triple beam)

A mechanical device used to measure the mass of an object with three beams representing different increments.

Clay triangle

A wire frame with porcelain insulators used to support a crucible while it is being heated over a burner.

Evaporating dish

A shallow porcelain or glass dish used to evaporate excess solvents to produce a concentrated solution or solid precipitate.

Litmus paper

Specially treated paper used as a pH indicator to determine if a liquid is acidic or basic.

Volumetric flask

A piece of laboratory glassware calibrated to contain a very precise volume at a particular temperature.

Wash bottle

A squeeze bottle with a nozzle, used to rinse laboratory glassware with distilled water or other solvents.

Safety goggles

Protective eyewear used to prevent chemicals, biological agents, or debris from entering the eyes.

$24$-well plate

A flat plate with multiple wells used as small test tubes for micro-scale reactions.

Micropipets

Tools used to transport and measure very small volumes of liquid, available in standard and narrow stem varieties.

Test-tube rack

A wooden or plastic stand used to hold multiple test tubes in an upright position.

Glass stirring rod and rubber policeman

A glass rod used for mixing liquids, often fitted with a rubber tip to scrape solids from containers.

Triangular file

A metal file shaped like a triangle used to scratch glass tubing before breaking it.

Pipet bulb

A rubber bulb used to provide suction for pulling liquids into a pipet.