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Fine here are some questions...

Biology :-

1. What is the powerhouse of the cell?
2. What is the process by which plants make their own food called?
3. What is the basic unit of life?
4. What are the three main types of blood vessels?
5. What is the function of the respiratory ssystem
6. What is the largest organ in the human body?
7. What is the role of DNA in inheritance?
8. What is the difference between mitosis and meiosis?
9. What are the four main types of tissue in the human body?
10. What is the function of the mitochondria?
11. What is natural selection?
12. What are the main components of the circulatory system?
13. What is the purpose of the skeletal system?
14. What is the difference between an herbivore and a carnivore?
15. How does photosynthesis contribute to the oxygen cycle?
16. What is the function of the nervous system?
17. What are the three main types of muscles in the human body?
18. What is the purpose of the immune system?
19. What is the role of enzymes in chemical reactions?
20. What is the importance of biodiversity?

Chemistry:-

1. What is the chemical symbol for gold?
2. What is the pH scale used to measure?
3. What is the atomic number of carbon?
4. What is the most abundant element in the Earth's atmosphere?
5. What is the chemical formula for water?
6. What is the process by which a solid changes directly into a gas called?
7. What is the difference between an acid and a base?
8. What is the periodic table?
9. What is the chemical formula for table salt?
10. What is the state of matter at room temperature for helium?
11. What is the difference between an element and a compound?
12. What is the Law of Conservation of Mass?
13. What is the process by which a liquid changes into a solid called?
14. What is the chemical formula for glucose?
15. What is the difference between an exothermic and endothermic reaction?
16. What is the role of a catalyst in a chemical reaction?
17. What is the chemical formula for methane?
18. What is the difference between an ionic bond and a covalent bond?
19. What is the process by which a gas changes into a liquid called?
20. What is the chemical formula for sulfuric acid?

Physics :-

1. What is the formula for calculating velocity?
2. What is the unit of measurement for force?
3. What is the formula for calculating kinetic energy?
4. What is the law of universal gravitation?
5. What is the unit of measurement for electric current?
6. What is the formula for calculating work?
7. What is the difference between speed and velocity?
8. What is Newton's first law of motion?
9. What is the unit of measurement for resistance?
10. What is the formula for calculating power?
11. What is the difference between potential energy and kinetic energy?
12. What is the law of conservation of energy?
13. What is the unit of measurement for frequency?
14. What is the formula for calculating gravitational potential energy?
15. What is Newton's second law of motion?
16. What is the unit of measurement for voltage?
17. What is the formula for calculating acceleration?
18. What is the difference between series and parallel circuits?
19. What is the unit of measurement for wavelength?
20. What is Newton's third law of motion?

Please don't forget to provide your board and chapter name another time!!!

Sure, I can provide some important topics and questions that are often covered in 8th grade science. Here are a few examples:

1. Force & Motion: Understanding concepts like force, inertia, gravity, acceleration, velocity, and speed.

- Sample Question: What is motion? When an object changes position relative to a reference point.

2. Cells and Systems: Knowledge about human body cells and systems.

- Sample Question: Which of the following is false? The nucleus controls all activity in the cell.

3. The Planets and Space: Information about the planets and space.

- Sample Question: How many planets revolve around the sun?

4. Physical and Chemical Changes: Understanding the difference between physical and chemical changes.

- Sample Question: When a physical property is changed, is the identity of the substance also changed?

5. States of Matter: Knowledge about the states of matter.

- Sample Question: Which answer describes the differences between a solid and a liquid?

These are just a few examples. It's always a good idea to review all the topics covered in your science syllabus. Please note that the actual questions may vary based on your curriculum. Good luck with your studies!

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