| No. | Item | Definition |
|---|---|---|
| 1. | academic | related to study |
| 2. | accessible | easy for all to use |
| 3. | active | full of movement |
| 4. | airy | fresh and well ventilated |
| 5. | boring | not interesting |
| 6. | bright | full of light |
| 7. | bustling | full of busy activity |
| 8. | busy | active and full of work |
| 9. | calm | peaceful and still |
| 10. | chaotic | completely disordered |
| 11. | cheerful | happy and bright |
| 12. | clean | free from dirt |
| 13. | cold | low in temperature |
| 14. | colorful | full of bright colors |
| 15. | comfortable | pleasant to sit in |
| 16. | cramped | too small and crowded |
| 17. | crowded | full of people or things |
| 18. | decorated | made attractive with displays |
| 19. | digital | using electronic technology |
| 20. | dim | not brightly lit |
| 21. | disciplined | showing controlled behavior |
| 22. | discussion-based | centered on talking together |
| 23. | distracting | pulling attention away |
| 24. | dull | lacking interest or brightness |
| 25. | dynamic | full of energy and change |
| 26. | echoing | carrying repeated sound |
| 27. | educational | meant for learning |
| 28. | empty | with no one inside |
| 29. | energetic | showing lots of energy |
| 30. | engaging | holding attention well |
| 31. | equipped | provided with needed tools |
| 32. | exciting | causing strong interest |
| 33. | flexible | easy to adapt |
| 34. | formal | following strict rules |
| 35. | fresh | clean and new-feeling |
| 36. | friendly | kind and pleasant |
| 37. | gloomy | dark or depressing |
| 38. | hands-on | involving active doing |
| 39. | harmonious | peaceful and balanced |
| 40. | high-tech | using advanced technology |
| 41. | homely | simple and comfortable |
| 42. | homey | comfortable and informal |
| 43. | hushed | very quiet and subdued |
| 44. | inclusive | welcoming all students |
| 45. | informal | casual and relaxed |
| 46. | inquiry-based | driven by questioning and exploration |
| 47. | inspiring | making people feel motivated |
| 48. | institutional | plain and official-looking |
| 49. | interactive | involving active participation |
| 50. | inviting | attractive and welcoming |
| 51. | lab-like | similar to a laboratory |
| 52. | lecture-based | centered on teacher talk |
| 53. | lively | full of energy |
| 54. | messy | untidy and disorganized |
| 55. | minimalist | simple with few decorations |
| 56. | modern | new in style |
| 57. | multicultural | including many cultures |
| 58. | noisy | full of sound |
| 59. | nurturing | supporting growth and care |
| 60. | open-plan | with few dividing walls |
| 61. | orderly | neat and well arranged |
| 62. | peaceful | calm and quiet |
| 63. | plain | simple and not decorated |
| 64. | playful | full of fun |
| 65. | pleasant | nice and enjoyable |
| 66. | print-rich | full of displayed text |
| 67. | productive | good for getting work done |
| 68. | professional | serious and worklike |
| 69. | quiet | making little noise |
| 70. | relaxed | calm and not tense |
| 71. | relaxing | helping people feel calm |
| 72. | resourceful | well supplied with materials |
| 73. | respectful | showing politeness and regard |
| 74. | restless | unable to stay still |
| 75. | rigorous | very thorough and demanding |
| 76. | roomy | having plenty of space |
| 77. | safe | free from danger |
| 78. | silent | completely quiet |
| 79. | spacious | having plenty of room |
| 80. | stimulating | exciting thought or interest |
| 81. | structured | organized by clear rules |
| 82. | student-centered | focused on student needs |
| 83. | stuffy | hot and lacking fresh air |
| 84. | supportive | giving help and encouragement |
| 85. | teacher-led | directed mainly by teacher |
| 86. | tense | nervous or strained |
| 87. | themed | designed around one topic |
| 88. | tidy | neat and organized |
| 89. | traditional | following older style |
| 90. | uncomfortable | causing discomfort |
| 91. | ventilated | supplied with fresh air |
| 92. | vibrant | full of life and color |
| 93. | visual | strongly using images |
| 94. | warm | comfortably heated or kind |
| 95. | welcoming | friendly and inviting |
| 96. | well-kept | maintained in good condition |
| 97. | well-lit | brightly illuminated |
| 98. | well-managed | run in an organized way |
| 99. | windowless | having no windows |
| 100. | worn | showing age and use |