A science lab is a place where scientific experiments, testing, and observations are done. It contains special tools, equipment, and safety materials used in chemistry, biology, physics, and general science. Below is a list of 100 essential science lab vocabulary words. These are helpful for students, teachers, lab technicians, and anyone working in or learning about a lab environment.
Science Lab Vocabulary Words With Meaning
Here are list of Science Lab Vocabulary Words:
1. Laboratory
A room for scientific experiments.
2. Lab Coat
A white protective coat worn during experiments.
3. Goggles
Protective glasses to shield the eyes.
4. Gloves
Worn on hands to protect from chemicals.
5. Test Tube
A small glass tube used to hold or mix chemicals.
6. Beaker
A wide cylindrical glass used for mixing or heating liquids.
7. Flask
A glass container with a narrow neck.
8. Erlenmeyer Flask
A flask with a cone shape and flat bottom.
9. Volumetric Flask
Used to prepare precise liquid volumes.
10. Graduated Cylinder
Used to measure the volume of liquids accurately.
11. Bunsen Burner
Produces a flame for heating.
12. Tripod Stand
A stand with three legs for supporting equipment.
13. Wire Gauze
Used to support glassware during heating.
14. Ring Stand
Used to hold clamps and support lab equipment.
15. Clamp
Holds glassware in place on a stand.
16. Pipette
Used to transfer small amounts of liquids.
17. Dropper
A small tool used to drop liquids.
18. Funnel
Used to pour liquids into containers easily.
19. Stirring Rod
Used to mix substances.
20. Thermometer
Measures temperature.
21. Tongs
Used to hold hot equipment or glassware.
22. Forceps
Used to pick up small objects.
23. Scalpel
A small sharp knife for cutting.
24. Microscope
Used to see very small objects or organisms.
25. Slide
A thin glass sheet used under a microscope.
26. Cover Slip
A small glass square that covers specimens on a slide.
27. Petri Dish
A shallow dish used to grow bacteria or cultures.
28. Culture
Growth of microorganisms in a lab.
29. Inoculating Loop
Used to transfer bacteria.
30. Test Tube Rack
Holds test tubes upright.
31. Test Tube Holder
Holds test tubes when hot or during experiments.
32. Lab Notebook
Used to record experiments and observations.
33. Balance
Used to measure weight or mass.
34. Digital Scale
Electronic device to measure mass.
35. Centrifuge
Spins samples to separate materials.
36. Fume Hood
A ventilated area to handle dangerous chemicals.
37. Safety Shower
Used to wash off chemicals in emergencies.
38. Eye Wash Station
Used to rinse eyes if chemicals enter them.
39. First Aid Kit
Supplies used for treating minor injuries.
40. Chemical
A substance used in experiments.
41. Solution
A mixture where substances are dissolved.
42. Solvent
A liquid that dissolves another substance.
43. Solute
A substance that is dissolved in a solvent.
44. Compound
A substance made of two or more elements.
45. Mixture
Two or more substances combined physically.
46. Reaction
A chemical change between substances.
47. Indicator
Shows pH or chemical change (e.g., litmus paper).
48. pH Scale
Measures acidity or alkalinity.
49. Acid
A substance with pH below 7.
50. Base
A substance with pH above 7.
51. Neutral
A substance with pH of 7.
52. Litmus Paper
Used to test acidity or basicity.
53. Evaporation Dish
Used to heat liquids and evaporate solvents.
54. Crucible
A small container for heating substances to high temperatures.
55. Watch Glass
Used to hold solids or cover beakers.
56. Distillation
Process of separating mixtures by boiling.
57. Filtration
Separating solids from liquids using a filter.
58. Filter Paper
Used in filtration to trap solids.
59. Burner Flame
The fire produced for heating experiments.
60. Heat Resistant Mat
Protects surfaces from hot equipment.
61. Stopwatch
Used to time experiments.
62. Timer
Tracks duration of an experiment.
63. Magnet
Used to separate magnetic materials.
64. Test Tube Brush
Used to clean test tubes.
65. Lab Apron
Protects clothing during lab work.
66. Glassware
General term for glass lab equipment.
67. Mortar and Pestle
Used to grind solids into powder.
68. Burette
Used for precise liquid measurement in titration.
69. Titration
A technique to determine concentration.
70. Meniscus
Curve seen at the top of a liquid in a container.
71. Lab Partner
A person you work with in the lab.
72. Hypothesis
An educated guess or prediction in an experiment.
73. Observation
What you see or notice during an experiment.
74. Data
Facts and figures collected during experiments.
75. Results
What happens during or after an experiment.
76. Conclusion
What you learn from the results.
77. Control Group
The group that doesn’t receive treatment in an experiment.
78. Variable
A factor that can change in an experiment.
79. Independent Variable
The factor you change in an experiment.
80. Dependent Variable
The result you measure in an experiment.
81. Experiment
A test to discover or prove something.
82. Procedure
Step-by-step instructions for an experiment.
83. Lab Report
A written record of an experiment.
84. Chart
Visual data display (e.g., bar chart, pie chart).
85. Graph
Shows data trends visually.
86. Analysis
Reviewing and understanding the data.
87. Inference
A conclusion based on evidence and reasoning.
88. Scientific Method
Steps used in scientific investigation.
89. Observation Table
A table to record what is observed.
90. Safety Rules
Guidelines for staying safe in the lab.
91. Fire Extinguisher
Used to put out fires in the lab.
92. Ventilation
Airflow system to keep lab air clean.
93. Biohazard
A biological substance that poses a threat.
94. Calibration
Adjusting instruments for accuracy.
95. Specimen
A sample used for study or testing.
96. Incubator
Used to grow bacteria or cultures under controlled conditions.
97. Lab Manual
A book with instructions and lab safety information.
98. Microscope Slide Box
Storage for prepared microscope slides.
99. Control Experiment
An experiment with standard conditions.
100. Scientific Theory
A well-tested explanation of scientific facts.