Can living organisms survive without water

1
Can living organisms survive without water?
Note to teacher notice how this person has
started with the unit question, posed further
questions and ended with a concluding opinion.
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2
Focus questions.

•    What is water?
• What are living organisms.
•   Why is water needed by living organisms
•       

• Explain how the water cycle occurs.
• Show by means of an image or drawing how
  transpiration occurs in plants.
•  Discuss water pollution and its effects.
•  Draw a concept map/ mind map about what you have
  learnt in this lesson unit.

3
Why is water needed by living organisms?

• Without water there can be no life.
• Growing of plants.
• Animals depend on it to grow.
• Fresh water used by humans. Salt water used by
  fishes.

• Recreation- sports swimming.
• Transport purposes

4
The water cycle

• Movement of water between the ground and
  atmosphere.
• Evaporation- occurs when the sun shines on our
  bodies- water vapour.
• Water vapour rises condensation.
• Clouds form and water falls as rain-
  precipitation.

5
Water pollution and its effects.

• Causes soap, household cleaners, sewerage.
• Oil tankers spilled kills seabirds etc.
• People are at risk of diseases like cholera
  disadvantaged communities are mostly affected.

6
A diagram/image explaining how transpiration
occurs in plants.
7
The concept map/mind map.
Pollution
States
Uses
water
Pollutants
Water cycle
8
My own opinion.

• Clean water is essential for life.
• Light cannot penetrate muddy water for
  photosynthesis to take place.
• All human beings have a right to access clean
  water. It is everybodys responsibility to
  protect it.
• People, animals and plants are at risk due to
  polluted water.