Danger of drinking bad water
Basic Science and Technology
Primary 3.
2nd Term
Second term
Scheme of work with lesson note
Week: Five
Class:Primary Three
Topic: Water quality
Behavioural objectives:At the end of the lesson, pupils should be able to:
1. explains how water is contaminated.
2. state the dangers of drinking bad water.
3. importance of drinking good water.
4. explains ways and how to avoid drinking bad water.
Instructional material/Reference material: Samples of sand,Urine, Dust, Chemicals
Building Background /connection to prior knowledge :pupils are familiar with Water Qualities For Human Use
Content:
Contamination of water: This is when Substance or particles are added to water to make it impure, hazardous, dangerous and undrinkable for human being.
Danger of drinking bad water
1. It cause vomiting
2. It cause diarrhea
3. It cause sick stomach or stomach upset
4. It cause cholera
GOOD WATER
Drinking Water Helps Maintain the Balance of Body Fluids. Your body is composed of about 60% water. The functions of these bodily fluids include digestion, absorption, circulation, creation of saliva, transportation of nutrients, and maintenance of body temperature.
Benefits of Drinking Good Water
1. Increases Energy & Relieves Fatigue. Since your brain is mostly water, drinking it helps you think, focus and concentrate better and be more alert.
2. Promotes Weight Loss.
3. Flushes Out Toxins.
4. Improves Skin Complexion.
5. Maintains Regularity.
Ways of avoiding the drinking of bad water
1. Filter the water before drinking
2. Boil the water and let it cool before drinking
3. Cover your water to avoid contaminant in the water.
Presentation
Step 1 : The class revises the previous topic
Step 2 : Introduction Of the new lesson
Step 3 : Allow learners to give their own ideas and suggestions and corrects them when the needs arise
Evaluation: The teacher asked questions on what has been taught.
1. explains how water is contaminated.
2. state the dangers of drinking bad water.
3. importance of drinking good water.
4. explains ways and how to avoid drinking bad water
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