Science Quiz Questions with Answers

These science quiz questions with answers aim to cover a broader range of scientific topics. It's helpful for kids, students and any aspirants preparing for competitive examinations. Let's check out general knowledge quiz questions across various science topics:

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Science Quiz Questions with Answers 

These general knowledge quiz questions about science which I provided are common knowledge questions that cover fundamental concepts in various science topics. 

Biology:

Biology - Science Quiz Questions 

1. What is the powerhouse of the cell?
2. Which gas do plants use in photosynthesis?
3. What organ holds the title for being the largest in the human body?
4. What's the name of the process plants use to produce their food?
5. What is the study of living organisms called?
6. What's the name of the process where plants release water vapor from their leaves?
7. Which part of the human body is affected by the condition known as jaundice?
8. What is the study of fossils called?
9. Which gas do humans inhale and use for respiration?
10. What is the largest mammal on Earth?
11. What is the process by which plants use sunlight to convert carbon dioxide and water into glucose called?
12. What part of the human body pumps blood around the circulatory system?
13. What is the study of the classification of organisms called?
14. What's the primary role of red blood cells in the human body?
15. What is the largest organ in the human body by surface area?

Answers for Biology - Science Quiz Questions 

1. Mitochondria.
2. Carbon dioxide (CO2).
3. Skin.
4. Photosynthesis.
5. Biology.
6. Transpiration.
7. Liver.
8. Paleontology.
9. Oxygen (O2).
10. Blue whale.
11. Photosynthesis.
12. Heart.
13. Taxonomy.
14. Oxygen transport.
15. Skin.

Chemistry: 

Chemistry - Science Quiz Questions 

1. What is the chemical symbol for gold?
2. What is the most abundant gas in Earth's atmosphere?
3. What is the pH of pure water?
4. What is the process of a solid turning into a gas without becoming a liquid first called?
5. What is the chemical symbol for table salt?
6. What is the process of a substance changing from a gas to a liquid called?
7. What is the chemical symbol for iron?
8. What is the study of the composition, structure, properties, and reactions of matter called?
9. What is the process of a substance changing directly from a solid to a gas called?
10. What is the most abundant element in the Earth's crust?
11. What's the name for the process when a substance goes straight from being solid to being a gas?
12. What is the chemical symbol for silver?
13. What is the study of the properties and behavior of matter called?
14. What is the process of a substance changing from a gas to a solid without becoming a liquid first called?
15. Which element on the periodic table is the lightest?

Answers for Chemistry - Science Quiz Questions 

1. Au.
2. Nitrogen (N2).
3. 7
4. Sublimation.
5. NaCl.
6. Condensation.
7. Fe.
8. Chemistry.
9. Sublimation.
10. Oxygen (O).
11. Sublimation.
12. Ag.
13. Physics.
14. Deposition.
15. Hydrogen (H).

Physics: 

Physics - Science Quiz Questions 

1. What's the name of the force that makes object fall to the ground?
2. What is the SI unit of force?
3. What do we call it when light bends as it moves from one medium to another?
4. What is the unit of measurement for electrical resistance?
5. What is the law that states that for every action, there is an equal and opposite reaction? 
6. What is the unit of measurement for frequency? 
7. What is the law that states that an object at rest will stay at rest unless acted upon by an external force?
8. What is the SI unit of energy?
9. What is the process of a substance changing from a liquid to a gas at a temperature below its boiling point called?
10. What is the study of motion and forces called?
11. What is the unit of measurement for electric current?
12. What is the law that states that the total energy in an isolated system remains constant over time?
13. What is the SI unit of power?
14. What is the process of a substance changing directly from a solid to a gas called?
15. What's the term for the exploration of how matter and energy behave and interact?

Answers for Physics - Science Quiz Questions 

1. Gravity.
2. Newton (N).
3. Refraction.
4. Ohm (Ω).
5. Newton's third law.
6. Hertz (Hz).
7. Newton's first law.
8. Joule (J).
9. Sublimation.
10. Mechanics.
11. Ampere (A).
12. Law of conservation of energy.
13. Watt (W).
14. Sublimation.
15. Physics.

Astronomy / Space Science : 

Astronomy/ Space Science Quiz Questions 

1. What is the closest star to Earth?
2. What is the name of the largest planet in our solar system?
3. What is the phenomenon where the moon completely covers the sun called?
4. What's the galaxy where our solar system is?
5. What do we call the study of things like stars and planets beyond Earth?
6. What's the name of the brightest star we see at night?
7. What is the phenomenon where a small body enters the Earth's atmosphere and burns up called?
8. What is the name of the red planet in our solar system?
9. What is the study of the origin, evolution, and eventual fate of the universe called?
10. What is the name of the first artificial satellite launched into space?
11. What is the name of the closest galaxy to the Milky Way?
12. What is the phenomenon where a celestial body passes in front of another, blocking its light called?
13. What is the name of the hottest planet in our solar system?
14. What is the study of the physical and chemical properties of celestial bodies called?
15. What is the name of the largest moon of Jupiter?

Answers for Astronomy/ Space Science Quiz Questions

1. The Sun.
2. Jupiter.
3. Solar eclipse.
4. Milky Way.
5. Astronomy.
6. Sirius.
7. Meteor.
8. Mars.
9. Cosmology.
10. Sputnik 1.
11. Andromeda.
12. Transit.
13. Venus.
14. Astrophysics.
15. Ganymede.

Environmental Science: 

Environmental Science Quiz Questions 

1. What gas do cars emit that contributes to air pollution?
2. What is the term used to describe the diversity of life on Earth?
3. What is the term for the transformation of waste materials into reusable resources?
4. What is the main energy source utilized by the majority of life forms on Earth?
5. What is the greenhouse gas that is most responsible for global warming?
6. What is the term for the process by which plants absorb water through their roots and release it into the atmosphere as vapor?
7. What is the name of the layer in the Earth's atmosphere that protects us from the sun's harmful ultraviolet radiation?
8. What is the term for the process whereby microorganisms break down organic matter into simpler substances?
9. What is the term for the gradual rise in the Earth's average temperature caused by human activities?
10. What is the term for the study of the interactions between organisms and their environment?
11. What is the term for the process by which plants absorb sunlight to produce energy through photosynthesis?
12. What is the name of the layer in the Earth's atmosphere that contains the ozone layer?
13. What is the process of converting organic waste into compost called?
14. What is the term for the overall condition of the Earth's atmosphere over a long period of time?
15. What is the study of the impact of human activities on the environment called?

Answers for Environmental Science Quiz Questions

1. Carbon dioxide (CO2).
2. Biodiversity.
3. Recycling.
4. Sunlight.
5. Carbon dioxide (CO2).
6. Transpiration.
7. Ozone layer.
8. Decomposition.
9. Global warming.
10. Ecology.
11. Photosynthesis.
12. Stratosphere.
13. Composting.
14. Climate.
15. Environmental Science 

Conclusion 

These questions cover a range of science topics. Feel free to let me know in the comments if you'd like more questions or information on a specific topic within science!