Summary

• Description:

  The MS Word document comprises KJSEA 2026 Integrated Science Paper 1 Prediction Paper with Answers (Set 3). The PDF version is also available upon your request. The marking scheme is towards the end of the file.

  It was a KJSEA Integrated Science Paper 1 prediction examination designed to prepare candidates for the national assessment.

  This paper tests integrated competencies spanning basic biology, physical chemistry, physics fundamentals, and laboratory safety. It evaluates students' conceptual grasp of cellular structures, body organ systems, chemical properties, pressure laws, and atomic structure.

  • Duration: 1 hour 40 minutes
  • Total Marks: 70 marks
  • Number of Questions: 42 questions (Questions 1 to 42)
  • Structure: Two sections: Section A (30 marks) comprising 30 multiple-choice questions; Section B (40 marks) comprising structured questions across four tasks (Questions 31 to 42)

  It covers the following topics:

  • Section A:
    • Laboratory apparatus, safety procedures, hazard symbols, and fire safety classes
    • Mixtures and separation techniques: Decantation, filtration, and chromatography
    • Magnetism, electrical appliances, and energy sources (renewable vs. non-renewable)
    • Human biology: Male and female reproductive systems, STIs, and light microscopy
    • Movement of substances: Diffusion, osmosis, and active transport
    • Excretory system: Kidneys, ureter, bladder, and urethra anatomy
    • Atomic structure: Protons, neutrons, electrons, and electron configuration
    • Metals, alloys, corrosion (rusting causes and prevention), and tooth structure
    • Water hardness (causes and treatment) and chemical reactions of acids with metals
  • Section B:
    • Task 1: Laboratory Equipment and Human Reproduction:
      • Bunsen burner flame structure, heating zones, and laboratory efficiency
      • Female reproductive anatomy, ovulation, and fertilisation
    • Task 2: Energy, Atoms, and Materials:
      • Energy transformations and forms of stored energy
      • Subatomic particles, atomic numbers, mass numbers, and electron arrangement
      • Physical properties of metals versus non-metals (ductility, malleability)
    • Task 3: Living Organisms and Chemical Substances:
      • Plant cell ultrastructure, organelles, and functions (chloroplasts, nucleus)
      • Dentition in mammals: Herbivore lower jaw anatomy and the diastema
      • Corrosion mechanisms and industrial advantages of alloys
      • Properties of acids, bases, and domestic indicators
    • Task 4: Water Treatment and Pressure Dynamics:
      • Water hardness, lathering properties, and softening methods
      • Composition and applications of alloys (duralumin, brass, steel)
      • Solid and liquid pressure: Contact area effects, syringe mechanisms, and hydraulic vehicle brakes
• File Size:

  5.38 MB
• Length:

  18 pages
• Category:

  KJSEA Prediction Papers
• Level:

  Grade 9
• Subject:

  Integrated Science
• Posted By:

  Caleb_Peter

Enter your details below to initiate a payment using MPESA.