Lab Equipment and Safety Symbols

Vocabulary flashcards covering laboratory safety symbols and common lab equipment.

Disposal Alert

Safety symbol indicating materials that require specific, proper disposal procedures.

Animal Safety

Symbol shown when live animals are used and must be handled ethically and carefully.

Biological Hazard

Warning symbol for dangerous biological substances such as bacteria, viruses, or other pathogens.

Radioactive Safety

Symbol indicating the presence of radioactive materials requiring special precautions.

Open Flame Alert

Symbol shown when open flames are present and caution is necessary to avoid burns or fires.

Clothing Protection Safety

Symbol indicating aprons or protective clothing should be worn to prevent staining or burning garments.

Thermal Safety

Symbol warning that hot objects are present and must be handled carefully to avoid burns.

Fire Safety

Symbol reminding users to exercise caution around open flames and flammable materials.

Sharp Object Safety

Symbol indicating sharp tools or glass are in use and can cause cuts or punctures.

Explosion Safety

Symbol warning that improper use of materials could cause an explosion; extra caution required.

Fume Safety

Symbol indicating chemicals may release harmful fumes; work in a fume hood or ventilated area.

Eye Safety

Symbol showing eye protection must be worn to prevent injury to the eyes.

Electrical Safety

Symbol warning that electrical equipment is in use and shock hazards exist.

Poison Safety

Symbol indicating poisonous substances are present and must be handled with extreme care.

Plant Safety

Symbol reminding users to handle plants that may be irritating or toxic with caution.

Chemical Safety

Symbol indicating chemicals that can burn, corrode, or poison skin are in use; handle carefully.

Goggles

Protective eyewear that shields eyes from chemicals, heat, or flying debris.

Beaker

Cylindrical glass container used to hold, mix, or heat liquids in the lab.

Erlenmeyer Flask

Cone-shaped flask useful for mixing by swirling and for heating solutions without spilling.

Wash Bottle

Plastic squeeze bottle used to dispense distilled water for rinsing or adding liquids.

Graduated Cylinder

Tall, narrow cylinder marked with volume graduations for precise liquid measurements.

Burette

Long, graduated glass tube with a stopcock used to deliver measured volumes in titrations.

Test Tube

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

Test Tube Holder

Spring-loaded clamp used to grasp and hold hot test tubes safely.

Thermometer

Instrument used to measure temperature, often containing mercury or alcohol.

Watch Glass

Concave piece of glass used as a surface for small reactions or to cover beakers.

Funnel

Conical tool used to pour liquids or powders into containers with small openings.

Mortar and Pestle

Porcelain or stone bowl and club used to grind solids into powders.

Scale/Balance

Instrument for measuring mass accurately in grams.

Bunsen Burner

Gas-powered burner that produces a single open flame for heating substances.

Hot Plate

Flat, electrically heated surface used to warm or boil samples without an open flame.

Ring Stand

Metal stand with a heavy base used to support clamps and rings during experiments.

Ring Clamp

Circular metal ring that attaches to a ring stand to hold beakers, funnels, or wire gauze.

Wire Gauze

Metal mesh placed on a ring clamp to support glassware and distribute heat evenly.

Clay Triangle

Triangular frame with ceramic tubes used to support a crucible over a flame.

Spatula

Small metal tool used to transfer or scoop solid chemicals.

Pipe Cleaner

Flexible wire with fibers used to clean narrow glassware or guide wires in experiments.

Tweezers

Small pincers used for picking up or manipulating small objects.

Dropper/Pipet

Glass or plastic tube with a bulb used for transferring small volumes of liquid.

Evaporating Dish

Shallow ceramic dish used to heat solutions and evaporate solvent, leaving behind solids.

Crucible

Small, heat-resistant ceramic container used for heating substances to very high temperatures.