Module 5: Chemistry
Water sources, purification, and hardness.
Use this workbook to practice core KCSE communication skills and record evidence of progress.
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SECTION: CHEMISTRY
MODULE: 5
Part A: Units
1. Water
a. Sources of water
b. Purification
c. Hardness of water
Part B: Project
Explore water sources and simple purification methods.
Project Title: Water Sources and Purification
Objective: Identify water sources and demonstrate a safe purification method.
Project Instructions:
- 1. List common water sources in your area.
- 2. Demonstrate one purification method (boiling, filtration).
- 3. Explain what makes water hard and its effects.
- 4. Suggest ways to reduce hardness.
- 5. Consult your coach where necessary.
Evidence to Submit:
- • List of water sources.
- • Notes on purification steps.
- • Explanation of hardness and solutions.
Submission
Part C: Training Others
Teach a peer about water purification and hardness.
Guidance:
- • Explain water sources and contamination.
- • Demonstrate one purification method.
- • Discuss hardness and its effects.
Reflection:
- • What did the learner understand well?
- • What needed more explanation?
- • What support do you need from your coach?
Submission
Part D: Assessment
Competency Levels:
1 = Expectations not met
2 = Partially met
3 = Satisfactorily met
4 = Excellently met
Self-assessment:
- • Water sources and contamination:
- • Purification methods:
- • Hardness of water:
Coach assessment:
- • Water sources and contamination:
- • Purification methods:
- • Hardness of water:
Submission
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