GRADE 8 INTEGRATED SCIENCE EXAMS AND MARKING SCHEME-JNRSE20240115029

Prepare for success with the Grade 8 Integrated Science Exams and Marking Scheme. This comprehensive resource covers essential topics such as physics, chemistry, and biology. Equip yourself with the knowledge needed to excel in your assessments. Download now!

Featured Questions

1. State three components of Integrated Science. (3 marks)
2. Name three pieces of information that are found on a packaging label. (3 marks)
3. Name the following types of teeth. (2 marks)
4. Name two examples of basic quantities. (2 marks)
5. Fill in the table with basic quantity units and their symbols. (5 marks)
6. The mass of 20 cm³ of wood was found to be 0.4 kg. Calculate the density of wood:
   a) In kg/m³ (2 marks)
   b) In g/cm³ (2 marks)
7. Outline two examples of derived quantities. (2 marks)
8. What is a microscope? (1 mark)
9. Name the types of microscopes. (2 marks)
10. State the purpose of using a light microscope. (2 marks)
11. State the functions of the labeled parts of a microscope. (3 marks)
12. Explain the procedure followed when using a microscope. (3 marks)
13. State two precautions that are necessary when handling a microscope. (2 marks)
14. What is magnification? (1 mark)
15. Give the formula used to calculate magnification in a light microscope. (1 mark)
16. Explain the reasons for each step when preparing a cross-section of a stem or leaf for examination under the microscope. (4 marks)
17. Explain four importance of water in promoting health. (4 marks)
18. Identify names of lab apparatus used for heating. (5 marks)
19. Write two examples of vitamins. (2 marks)
20. Describe an experiment demonstrating diffusion in liquids using potassium permanganate. (4 marks)