Question
95 junior high school General Science quizzing competition questions with their respective answers
Answers
GPT-4o mini
Sure! Here’s a comprehensive list of 95 general science questions suitable for a junior high school quiz competition, along with their answers:
### General Science Quiz Questions and Answers
1. **Q:** What is the chemical formula for water?
**A:** H₂O
2. **Q:** What part of the cell is known as the powerhouse?
**A:** Mitochondria
3. **Q:** What is the main gas found in the air we breathe?
**A:** Nitrogen
4. **Q:** What is the process by which plants make their own food called?
**A:** Photosynthesis
5. **Q:** What is the boiling point of water in degrees Celsius?
**A:** 100°C
6. **Q:** What organ in the human body is responsible for pumping blood?
**A:** Heart
7. **Q:** What is the process of liquid turning into gas called?
**A:** Evaporation
8. **Q:** Which planet is known as the Red Planet?
**A:** Mars
9. **Q:** What force keeps us on the ground?
**A:** Gravity
10. **Q:** What is the primary source of energy for Earth?
**A:** The Sun
11. **Q:** What is the largest organ in the human body?
**A:** Skin
12. **Q:** What is the hardest natural substance on Earth?
**A:** Diamond
13. **Q:** In what part of the plant does photosynthesis take place?
**A:** Leaves
14. **Q:** What is the chemical symbol for gold?
**A:** Au
15. **Q:** Which gas do living creatures exhale?
**A:** Carbon dioxide
16. **Q:** What is the pH level of pure water?
**A:** 7
17. **Q:** What instrument is used to measure temperature?
**A:** Thermometer
18. **Q:** How many continents are there on Earth?
**A:** Seven
19. **Q:** What device do we use to see objects that are very far away?
**A:** Telescope
20. **Q:** Which planet is closest to the Sun?
**A:** Mercury
21. **Q:** What is the smallest unit of life called?
**A:** Cell
22. **Q:** Who proposed the theory of evolution by natural selection?
**A:** Charles Darwin
23. **Q:** What is the common name for sodium chloride?
**A:** Table salt
24. **Q:** What do we call an animal that eats only plants?
**A:** Herbivore
25. **Q:** What type of simple machine is a lever?
**A:** Mechanical advantage
26. **Q:** What is the chemical formula for carbon dioxide?
**A:** CO₂
27. **Q:** What part of the brain controls balance?
**A:** Cerebellum
28. **Q:** Which vitamin is produced when a person is exposed to sunlight?
**A:** Vitamin D
29. **Q:** What type of bond involves the sharing of electron pairs between atoms?
**A:** Covalent bond
30. **Q:** What are the three states of matter?
**A:** Solid, liquid, gas
31. **Q:** What is the primary pigment found in green plants?
**A:** Chlorophyll
32. **Q:** What is the main function of the roots of a plant?
**A:** To absorb water and nutrients
33. **Q:** Which force opposes motion between two surfaces in contact?
**A:** Friction
34. **Q:** What is the largest planet in our solar system?
**A:** Jupiter
35. **Q:** What do you call an animal that can live both in water and on land?
**A:** Amphibian
36. **Q:** What is the term for animals that are active at night?
**A:** Nocturnal
37. **Q:** What type of rock is formed from molten material?
**A:** Igneous rock
38. **Q:** What is a food chain?
**A:** A sequence of organisms each dependent on the next as a source of food.
39. **Q:** What is the function of the chloroplasts in plant cells?
**A:** To conduct photosynthesis
40. **Q:** Which gas is necessary for respiration?
**A:** Oxygen
41. **Q:** What is the term for the amount of space an object occupies?
**A:** Volume
42. **Q:** What renewable energy source comes from the Sun?
**A:** Solar energy
43. **Q:** What unit is used to measure force?
**A:** Newton
44. **Q:** What is the main component of the Earth’s atmosphere?
**A:** Nitrogen
45. **Q:** What is the process of converting a gas to a liquid called?
**A:** Condensation
46. **Q:** What is the common term for the molar mass of water (H₂O)?
**A:** 18 grams/mol
47. **Q:** What is the chemical symbol for silver?
**A:** Ag
48. **Q:** Who is known as the father of modern physics?
**A:** Albert Einstein
49. **Q:** What is the term for a change in species over time?
**A:** Evolution
50. **Q:** What is the main organ of the circulatory system?
**A:** Heart
51. **Q:** Which part of the plant is responsible for reproduction?
**A:** Flowers
52. **Q:** What is the function of red blood cells?
**A:** To carry oxygen
53. **Q:** What do we call materials that can conduct electricity well?
**A:** Conductors
54. **Q:** What is the name of the largest bone in the human body?
**A:** Femur
55. **Q:** What type of energy is stored in food?
**A:** Chemical energy
56. **Q:** Which subatomic particle has a negative charge?
**A:** Electron
57. **Q:** What do we call the process by which plants lose water vapor?
**A:** Transpiration
58. **Q:** What is the unit of electrical resistance?
**A:** Ohm
59. **Q:** What is the force that attracts objects towards the Earth?
**A:** Gravity
60. **Q:** Which organ is responsible for digestion?
**A:** Stomach
61. **Q:** What do we call a mixture of two or more substances?
**A:** Solution
62. **Q:** What is the speed of light in a vacuum?
**A:** Approximately 299,792 kilometers per second
63. **Q:** What is the main purpose of the respiratory system?
**A:** To exchange gases (Oxygen and Carbon dioxide)
64. **Q:** What type of ecosystem is characterized by very low rainfall?
**A:** Desert
65. **Q:** What device is used to measure atmospheric pressure?
**A:** Barometer
66. **Q:** What are the two main types of cells?
**A:** Prokaryotic and Eukaryotic
67. **Q:** What is the name given to the transition of a substance from solid to liquid?
**A:** Melting
68. **Q:** What is the term for the center of an atom?
**A:** Nucleus
69. **Q:** What is the study of insects called?
**A:** Entomology
70. **Q:** What are the primary colors of light?
**A:** Red, green, and blue
71. **Q:** How many chambers does the human heart have?
**A:** Four
72. **Q:** What is the term for animals that eat both plants and meat?
**A:** Omnivores
73. **Q:** What is the main component of the Earth’s crust?
**A:** Silicate minerals
74. **Q:** What is a fossil?
**A:** Remains or impressions of ancient organisms preserved in rock
75. **Q:** What is the primary function of the kidneys?
**A:** To filter waste from the blood
76. **Q:** What is the chemical formula for table sugar?
**A:** C₁₂H₂₂O₁₁ (sucrose)
77. **Q:** What gas do plants take in during photosynthesis?
**A:** Carbon dioxide
78. **Q:** How many bones are in the adult human body?
**A:** 206
79. **Q:** What is the term for animals that are active during the day?
**A:** Diurnal
80. **Q:** What is the name of the process that converts sugar into energy?
**A:** Cellular respiration
81. **Q:** What is the most abundant element in the universe?
**A:** Hydrogen
82. **Q:** What is the solid part of the Earth called?
**A:** Lithosphere
83. **Q:** What is the process plants use to absorb water from the soil?
**A:** Osmosis
84. **Q:** What is the scientific study of weather called?
**A:** Meteorology
85. **Q:** Which part of the ear is responsible for hearing?
**A:** Cochlea
86. **Q:** What type of energy is associated with motion?
**A:** Kinetic energy
87. **Q:** What is a chemical reaction that releases energy called?
**A:** Exothermic reaction
88. **Q:** What is a balance used to measure mass called?
**A:** Scale
89. **Q:** What is the primary function of the liver in the body?
**A:** Detoxification and metabolism
90. **Q:** What do you call organisms that produce their own food?
**A:** Autotrophs
91. **Q:** Which organelle is responsible for protein synthesis?
**A:** Ribosome
92. **Q:** What is the basic unit of heredity?
**A:** Gene
93. **Q:** What are the three types of rocks?
**A:** Igneous, sedimentary, and metamorphic
94. **Q:** What is the scientific name for a common house cat?
**A:** Felis catus
95. **Q:** In what part of the human body would you find the femur?
**A:** Leg
These questions cover a variety of science topics, including biology, chemistry, physics, and earth science, making them suitable for a junior high school audience. Feel free to adjust the difficulty or focus of the questions based on the specific needs of your competition!
### General Science Quiz Questions and Answers
1. **Q:** What is the chemical formula for water?
**A:** H₂O
2. **Q:** What part of the cell is known as the powerhouse?
**A:** Mitochondria
3. **Q:** What is the main gas found in the air we breathe?
**A:** Nitrogen
4. **Q:** What is the process by which plants make their own food called?
**A:** Photosynthesis
5. **Q:** What is the boiling point of water in degrees Celsius?
**A:** 100°C
6. **Q:** What organ in the human body is responsible for pumping blood?
**A:** Heart
7. **Q:** What is the process of liquid turning into gas called?
**A:** Evaporation
8. **Q:** Which planet is known as the Red Planet?
**A:** Mars
9. **Q:** What force keeps us on the ground?
**A:** Gravity
10. **Q:** What is the primary source of energy for Earth?
**A:** The Sun
11. **Q:** What is the largest organ in the human body?
**A:** Skin
12. **Q:** What is the hardest natural substance on Earth?
**A:** Diamond
13. **Q:** In what part of the plant does photosynthesis take place?
**A:** Leaves
14. **Q:** What is the chemical symbol for gold?
**A:** Au
15. **Q:** Which gas do living creatures exhale?
**A:** Carbon dioxide
16. **Q:** What is the pH level of pure water?
**A:** 7
17. **Q:** What instrument is used to measure temperature?
**A:** Thermometer
18. **Q:** How many continents are there on Earth?
**A:** Seven
19. **Q:** What device do we use to see objects that are very far away?
**A:** Telescope
20. **Q:** Which planet is closest to the Sun?
**A:** Mercury
21. **Q:** What is the smallest unit of life called?
**A:** Cell
22. **Q:** Who proposed the theory of evolution by natural selection?
**A:** Charles Darwin
23. **Q:** What is the common name for sodium chloride?
**A:** Table salt
24. **Q:** What do we call an animal that eats only plants?
**A:** Herbivore
25. **Q:** What type of simple machine is a lever?
**A:** Mechanical advantage
26. **Q:** What is the chemical formula for carbon dioxide?
**A:** CO₂
27. **Q:** What part of the brain controls balance?
**A:** Cerebellum
28. **Q:** Which vitamin is produced when a person is exposed to sunlight?
**A:** Vitamin D
29. **Q:** What type of bond involves the sharing of electron pairs between atoms?
**A:** Covalent bond
30. **Q:** What are the three states of matter?
**A:** Solid, liquid, gas
31. **Q:** What is the primary pigment found in green plants?
**A:** Chlorophyll
32. **Q:** What is the main function of the roots of a plant?
**A:** To absorb water and nutrients
33. **Q:** Which force opposes motion between two surfaces in contact?
**A:** Friction
34. **Q:** What is the largest planet in our solar system?
**A:** Jupiter
35. **Q:** What do you call an animal that can live both in water and on land?
**A:** Amphibian
36. **Q:** What is the term for animals that are active at night?
**A:** Nocturnal
37. **Q:** What type of rock is formed from molten material?
**A:** Igneous rock
38. **Q:** What is a food chain?
**A:** A sequence of organisms each dependent on the next as a source of food.
39. **Q:** What is the function of the chloroplasts in plant cells?
**A:** To conduct photosynthesis
40. **Q:** Which gas is necessary for respiration?
**A:** Oxygen
41. **Q:** What is the term for the amount of space an object occupies?
**A:** Volume
42. **Q:** What renewable energy source comes from the Sun?
**A:** Solar energy
43. **Q:** What unit is used to measure force?
**A:** Newton
44. **Q:** What is the main component of the Earth’s atmosphere?
**A:** Nitrogen
45. **Q:** What is the process of converting a gas to a liquid called?
**A:** Condensation
46. **Q:** What is the common term for the molar mass of water (H₂O)?
**A:** 18 grams/mol
47. **Q:** What is the chemical symbol for silver?
**A:** Ag
48. **Q:** Who is known as the father of modern physics?
**A:** Albert Einstein
49. **Q:** What is the term for a change in species over time?
**A:** Evolution
50. **Q:** What is the main organ of the circulatory system?
**A:** Heart
51. **Q:** Which part of the plant is responsible for reproduction?
**A:** Flowers
52. **Q:** What is the function of red blood cells?
**A:** To carry oxygen
53. **Q:** What do we call materials that can conduct electricity well?
**A:** Conductors
54. **Q:** What is the name of the largest bone in the human body?
**A:** Femur
55. **Q:** What type of energy is stored in food?
**A:** Chemical energy
56. **Q:** Which subatomic particle has a negative charge?
**A:** Electron
57. **Q:** What do we call the process by which plants lose water vapor?
**A:** Transpiration
58. **Q:** What is the unit of electrical resistance?
**A:** Ohm
59. **Q:** What is the force that attracts objects towards the Earth?
**A:** Gravity
60. **Q:** Which organ is responsible for digestion?
**A:** Stomach
61. **Q:** What do we call a mixture of two or more substances?
**A:** Solution
62. **Q:** What is the speed of light in a vacuum?
**A:** Approximately 299,792 kilometers per second
63. **Q:** What is the main purpose of the respiratory system?
**A:** To exchange gases (Oxygen and Carbon dioxide)
64. **Q:** What type of ecosystem is characterized by very low rainfall?
**A:** Desert
65. **Q:** What device is used to measure atmospheric pressure?
**A:** Barometer
66. **Q:** What are the two main types of cells?
**A:** Prokaryotic and Eukaryotic
67. **Q:** What is the name given to the transition of a substance from solid to liquid?
**A:** Melting
68. **Q:** What is the term for the center of an atom?
**A:** Nucleus
69. **Q:** What is the study of insects called?
**A:** Entomology
70. **Q:** What are the primary colors of light?
**A:** Red, green, and blue
71. **Q:** How many chambers does the human heart have?
**A:** Four
72. **Q:** What is the term for animals that eat both plants and meat?
**A:** Omnivores
73. **Q:** What is the main component of the Earth’s crust?
**A:** Silicate minerals
74. **Q:** What is a fossil?
**A:** Remains or impressions of ancient organisms preserved in rock
75. **Q:** What is the primary function of the kidneys?
**A:** To filter waste from the blood
76. **Q:** What is the chemical formula for table sugar?
**A:** C₁₂H₂₂O₁₁ (sucrose)
77. **Q:** What gas do plants take in during photosynthesis?
**A:** Carbon dioxide
78. **Q:** How many bones are in the adult human body?
**A:** 206
79. **Q:** What is the term for animals that are active during the day?
**A:** Diurnal
80. **Q:** What is the name of the process that converts sugar into energy?
**A:** Cellular respiration
81. **Q:** What is the most abundant element in the universe?
**A:** Hydrogen
82. **Q:** What is the solid part of the Earth called?
**A:** Lithosphere
83. **Q:** What is the process plants use to absorb water from the soil?
**A:** Osmosis
84. **Q:** What is the scientific study of weather called?
**A:** Meteorology
85. **Q:** Which part of the ear is responsible for hearing?
**A:** Cochlea
86. **Q:** What type of energy is associated with motion?
**A:** Kinetic energy
87. **Q:** What is a chemical reaction that releases energy called?
**A:** Exothermic reaction
88. **Q:** What is a balance used to measure mass called?
**A:** Scale
89. **Q:** What is the primary function of the liver in the body?
**A:** Detoxification and metabolism
90. **Q:** What do you call organisms that produce their own food?
**A:** Autotrophs
91. **Q:** Which organelle is responsible for protein synthesis?
**A:** Ribosome
92. **Q:** What is the basic unit of heredity?
**A:** Gene
93. **Q:** What are the three types of rocks?
**A:** Igneous, sedimentary, and metamorphic
94. **Q:** What is the scientific name for a common house cat?
**A:** Felis catus
95. **Q:** In what part of the human body would you find the femur?
**A:** Leg
These questions cover a variety of science topics, including biology, chemistry, physics, and earth science, making them suitable for a junior high school audience. Feel free to adjust the difficulty or focus of the questions based on the specific needs of your competition!