TOEFL Speaking Task 4–100 Topics - Most Repeated

 

📘 TOEFL Speaking Task 4 – Lecture Topics (100 Most Repeated)

1. Psychology & Human Behavior

1. Classical conditioning (Pavlov)

2. Operant conditioning (Skinner)

3. Cognitive dissonance

4. Maslow’s hierarchy of needs

5. Social learning theory

6. Memory types (short-term vs. long-term)

7. Stages of child development (Piaget)

8. Language acquisition in children

9. Groupthink

10. Effects of stress on health

2. Biology & Life Sciences

11. Photosynthesis process

12. Cellular respiration

13. DNA replication

14. Evolution by natural selection

15. Genetic drift

16. Speciation (allopatric vs. sympatric)

17. Adaptations in animals (camouflage, mimicry)

18. Symbiosis (mutualism, commensalism, parasitism)

19. Fossilization process

20. Ecosystem succession

3. Environmental Science

21. Greenhouse effect

22. Ozone layer depletion

23. Renewable vs. non-renewable energy

24. Acid rain

25. Deforestation

26. Desertification

27. El Niño & La Niña

28. Ocean currents and climate

29. Water pollution

30. Air pollution impacts

4. Earth Science & Astronomy

31. Plate tectonics

32. Volcano formation

33. Earthquake causes

34. Rock cycle

35. Weathering vs. erosion

36. Ice ages and glaciation

37. Seasons and Earth’s tilt

38. Gravity and planetary motion

39. Life cycle of stars

40. Big Bang theory

5. Physics & Chemistry

41. Newton’s laws of motion

42. Law of conservation of energy

43. Refraction of light

44. Sound waves

45. Electricity basics

46. Magnetism

47. Thermodynamics (heat transfer)

48. Periodic table organization

49. Chemical bonding (ionic vs. covalent)

50. States of matter (solid, liquid, gas, plasma)

6. Anthropology & Sociology

51. Cultural assimilation

52. Social mobility

53. Hidden curriculum in education

54. Role of peer pressure

55. Gender roles in culture

56. Urbanization effects

57. Influence of media on society

58. Social norms

59. Cultural capital

60. Cooperative learning

7. History & Civilization

61. Ancient trade routes (Silk Road)

62. Agricultural revolution

63. Industrial revolution

64. Renaissance art and science

65. American Revolution

66. French Revolution

67. Ancient Egyptian civilization

68. Greek philosophy & democracy

69. Roman Empire decline

70. Printing press invention

8. Art, Literature & Music

71. Impressionism in art

72. Romanticism in literature

73. Modernism in literature

74. Role of mythology in literature

75. Oral tradition in storytelling

76. Development of theater (Greek drama)

77. History of photography

78. Jazz music origins

79. Folk music traditions

80. Influence of film on culture

9. Business & Economics

81. Supply and demand

82. Market competition

83. Globalization effects

84. Entrepreneurship

85. Advertising psychology

86. Corporate social responsibility

87. Industrialization and labor

88. Trade deficits

89. Stock market basics

90. Consumer behavior

10. Education & Technology

91. Constructivism in education

92. Distance learning benefits

93. Standardized testing debate

94. Role of teachers in society

95. Technology in classrooms

96. History of the internet

97. Artificial intelligence

98. Renewable agriculture

99. Printing revolution (books)

100. Future of online education