Commonly Used Laboratory Tools

33 vocabulary flashcards covering commonly used laboratory equipment for Science 7.

Graduated Cylinder

A tall, narrow cylinder with volume markings used to measure liquid volumes accurately.

Microscope

An optical instrument that magnifies very small objects for detailed observation.

Glass Slide

A thin, flat piece of glass on which specimens are placed for viewing under a microscope.

Cover Slip

A tiny square of thin glass placed over a specimen on a slide to protect and flatten it.

Magnifying Glass

A handheld convex lens that enlarges the appearance of objects for closer inspection.

Platform Balance

A two-platform scale used to measure the mass of objects in the laboratory.

Triple Beam Balance

A mechanical balance with three sliding weights that provides precise mass measurements.

Florence Flask

A round-bottom flask with a narrow neck used for boiling, heating, or storing liquids.

Test Tube

A small cylindrical glass tube used to hold, mix, or heat small quantities of substances.

Test Tube Holder

A clamp-like device used to securely hold a test tube while heating or transporting it.

Test Tube Brush

A long-handled brush designed for cleaning the inside of test tubes and other glassware.

Beaker

A wide, cylindrical glass container with a spout used for mixing, stirring, and heating liquids.

Bunsen Burner

A gas-fed burner that produces a single open flame for heating, sterilization, or combustion.

Crucible and Clay Triangle

A heat-resistant porcelain cup supported by a clay triangle, used for strongly heating substances.

Petri Dish

A shallow, circular dish with a lid used to culture microorganisms and small specimens.

Dropper

A small glass or plastic tube with a rubber bulb used to dispense liquids drop by drop.

Stopwatch

A handheld timepiece that measures elapsed time in seconds and fractions of a second.

Meter Stick

A one-meter long measuring stick used to determine length or distance.

Tongs

Metal gripping tools used to hold and move hot equipment or materials safely.

Tripod

A three-legged metal stand used to support containers over a flame for heating.

Stopper

A rubber or cork plug used to seal the openings of flasks, bottles, or test tubes.

Tuning Fork

A U-shaped metal instrument that vibrates to produce a fixed pitch for sound experiments.

Filter Paper

Porous paper used to separate solids from liquids during filtration procedures.

Spatula

A small flat tool, often metal, used to scoop, transfer, or scrape chemicals.

Alcohol Lamp

A small burner that uses denatured alcohol as fuel to provide a steady flame for heating.

Wire Gauze

A mesh screen placed on a ring stand to support glassware and distribute heat evenly.

Iron Stand and Iron Ring

A vertical metal rod with an adjustable ring used to support glassware above a heat source.

Lab Thermometer

An instrument, usually glass or digital, used to measure the temperature of substances in experiments.

Watch Glass

A concave glass disk used for evaporating small amounts of liquid or covering beakers.

Evaporating Dish

A shallow, heat-resistant dish used to evaporate solvents and concentrate solutions.

Mortar and Pestle

A heavy bowl and grinding tool used to crush or grind solids into fine powder.

Funnel

A conical device that channels liquids or powders into containers with small openings.

Glass Stirring Rod

A solid glass rod used to mix chemicals and liquids without contamination.