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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:

  • Consequences of Air Pollution
  • Control Measures of Air Pollution
  • Evaluation Questions

Consequences of Air Pollution:

i. Carbon monoxide:

In low concentration dizziness, headache, nausea, and tiredness are caused. If inhaled for a long period even at low concentrations, it causes brain damage, at a higher concentration, it can cause unconsciousness and eventually death. It reacts with haemoglobin in the blood, preventing it from taking oxygen, and forms carboxyhemoglobin, which can lead to death by suffocation.

ii. Sulphur dioxide:

It causes lung diseases in humans. It changes the green colour of plants’ leaves and corrodes metals.

iii. Nitrogen oxides:

This causes lung irritation, suffocation, disease in plants, and corrosion of metallic objects.

 

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  1. 1a. Nitrogen dioxide
    2Carbon monoxide
    3Hydrogen sulphide
    4Smoke
    bAutomobiles
    Power station
    Industries
    Buring of wood and vegetation for agricultural purpose
    2 lt causes lung disease in human
    It can causes injury to the eye,nose,ear
    It can lead to death of plant and animal
    It causes injury to the lung of the respiratory

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