Summary

• Description:

  The PDF document comprises 2025 Integrated Science Paper 2 KJSEA Past Paper with Answers and Marking Scheme. The marking scheme is in a different document.

  It was a Kenya Junior School Education Assessment (KJSEA) Integrated Science Paper 2 examination administered in 2025.

  • Duration: 1 Hour 20 Minutes
  • Total Marks: 30
  • Number of Questions: 3 Structured Questions

  Paper structure:

  • The examination consisted of three structured practical-oriented questions.
  • Questions required learners to interpret diagrams, analyze experimental setups, perform measurements, and apply scientific calculations.
  • The paper assessed practical scientific skills, observation, data interpretation, and application of scientific principles.

  It covered the following topics:

  • Preparation and separation of homogeneous mixtures using laboratory procedures
  • Dissolving and separating sodium chloride from a solution
  • Laboratory techniques such as stirring, filtration, and evaporation
  • Laboratory safety precautions during experiments
  • External parts of a plant leaf including midrib, veins, and lamina
  • Adaptations of leaves to perform their functions
  • Experimental investigation of the effect of light intensity on the rate of photosynthesis
  • Use of apparatus such as metre rule, boiling tube, and lamp in scientific experiments
  • Recording and interpreting experimental data in tables
  • Drawing conclusions from scientific experiments
  • Measurement of dimensions using a ruler
  • Reading measurements from a beam balance
  • Conversion of mass from grams to kilograms
  • Calculation of weight using the formula Weight = mass × gravity
  • Calculation of pressure using the formula Pressure = Force/Area
  • Application of measurement and calculation skills in scientific investigations
• File Size:

  1.16 MB
• Length:

  5 pages
• Category:

  KJSEA Past Papers
• Level:

  Grade 9
• Subject:

  INTEGRATED SCIENCE
• Posted By:

  Caleb_Peter

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