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JSS1: BASIC SCIENCE - 1ST TERM

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  1. Introduction to Science | Week 1
    4 Topics
    |
    1 Quiz
  2. Family Health | Week 2
    8 Topics
    |
    1 Quiz
  3. Family Health (Sanitation) | Week 3
    4 Topics
    |
    1 Quiz
  4. Family Health (Nutrition) | Week 4
    8 Topics
    |
    3 Quizzes
  5. Drug and Substance Abuse | Week 5
    3 Topics
    |
    1 Quiz
  6. Environmental Pollution: Air Pollution | Week 6
    3 Topics
  7. Soil pollution | Week 7
    2 Topics
  8. Water Pollution | Week 8
    4 Topics
    |
    1 Quiz



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Topic Content:

  • Water Purification
    • filtration, boiling, adding chemicals
  • Evaluation Questions

Water (rainwater, streams, etc.) can be purified by using the following methods:

i. Filtration
ii. Boiling
iii. Adding chemicals

Filtration:

Filtration is the process by which solid particles are separated from liquids. Water is filtered to remove all solid particles (sediments). During filtration, bacteria, as well as other microorganisms, can also be removed.

filtration

Boiling:

 

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