100 Questions in General Science with answers.

Here are 100 general science questions covering various topics; Find the answers at the end of the list.

1. What is the chemical symbol for water?
2. What is the smallest unit of matter?
3. What is the force that pulls objects towards the center of the Earth?
4. What is the main function of red blood cells?
5. What is the Earth’s primary source of energy?
6. What is the chemical formula for glucose?
7. What is the process by which plants make their food?
8. What is the densest planet in our solar system?
9. What is the study of fossils called?
10. What is the name of the longest bone in the human body?
11. What is the unit of electrical resistance?
12. What is the only metal that is liquid at room temperature?
13. What is the largest organ in the human body?
14. What is the chemical symbol for table salt?
15. What is the study of the Earth’s atmosphere called?
16. What is the pH value of pure water?
17. What is the outer layer of the Earth called?
18. What is the chemical symbol for gold?
19. What is the unit of energy in the International System of Units?
20. What is the process by which plants release water vapor into the atmosphere?
21. What is the name of the largest ocean on Earth?
22. What is the speed of light in a vacuum?
23. What is the name of the force that opposes motion?
24. What is the main function of the respiratory system?
25. What is the chemical formula for sulfuric acid?
26. What is the process by which a solid changes directly into a gas?
27. What is the study of the behavior of gases called?
28. What is the unit of force in the International System of Units?
29. What is the chemical symbol for carbon dioxide?
30. What is the process by which plants take in carbon dioxide and release oxygen?
31. What is the name of the largest organ in the human body?
32. What is the study of the structure of the Earth’s crust called?
33. What is the chemical symbol for oxygen?
34. What is the smallest bone in the human body?
35. What is the main function of the nervous system?
36. What is the chemical formula for methane?
37. What is the process by which plants use sunlight to convert carbon dioxide and water into food?
38. What is the study of the Earth’s magnetic field called?
39. What is the chemical symbol for iron?
40. What is the unit of electrical current?
41. What is the process by which water vapor condenses into liquid water?
42. What is the study of the Earth’s interior called?
43. What is the chemical formula for carbon monoxide?
44. What is the main function of the skeletal system?
45. What is the chemical symbol for nitrogen?
46. What is the study of earthquakes called?
47. What is the chemical formula for hydrochloric acid?
48. What is the process by which a liquid changes into a gas?
49. What is the study of the Earth’s landforms called?
50. What is the chemical symbol for calcium?
51. What is the main function of the circulatory system?
52. What is the chemical formula for sodium chloride?
53. What is the process by which rocks are broken down into smaller pieces?
54. What is the study of the Earth’s atmosphere and weather called?
55. What is the chemical symbol for helium?
56. What is the main function of the digestive system?
57. What is the chemical formula for ammonia?
58. What is the process by which plants use light energy to produce glucose?
59. What is the study of the Earth’s oceans called?
60. What is the chemical symbol for silver?
61. What is the main function of the immune system?
62. What is the chemical formula for nitric acid?
63. What is the process by which plants take in water through their roots?
64. What is the study of the Earth’s glaciers called?
65. What is the chemical symbol for potassium?
66. What is the main function of the endocrine system?
67. What is the chemical formula for hydrogen peroxide?
68. What is the process by which rocks are formed from magma or lava?
69. What is the study of the Earth’s rivers and lakes called?
70. What is the chemical symbol for lead?
71. What is the main function of the excretory system?
72. What is the chemical formula for carbonic acid?
73. What is the process by which water is heated and rises into the atmosphere as vapor?
74. What is the study of the Earth’s soils called?
75. What is the chemical symbol for mercury?
76. What is the main function of the integumentary system?
77. What is the chemical formula for phosphoric acid?
78. What is the process by which water falls from the atmosphere to the Earth’s surface?
79. What is the study of the Earth’s mountains called?
80. What is the chemical symbol for copper?
81. What is the main function of the reproductive system?
82. What is the chemical formula for acetic acid?
83. What is the process by which water vapor in the atmosphere forms droplets of liquid water?
84. What is the study of the Earth’s deserts called?
85. What is the chemical symbol for uranium?
86. What is the main function of the muscular system?
87. What is the chemical formula for citric acid?
88. What is the process by which plants absorb water through their leaves?
89. What is the study of the Earth’s forests called?
90. What is the chemical symbol for tin?
91. What is the main function of the lymphatic system?
92. What is the chemical formula for hydrofluoric acid?
93. What is the process by which plants produce oxygen?
94. What is the study of the Earth’s wetlands called?
95. What is the chemical symbol for arsenic?
96. What is the main function of the urinary system?
97. What is the chemical formula for sulfuric acid?
98. What is the process by which water is absorbed into the ground?
99. What is the study of the Earth’s tectonic plates called?
100. What is the chemical symbol for aluminum?

These questions cover a wide range of scientific topics and can be used for quizzes, educational purposes, or simply to test your knowledge of general science.