Water Qualities For Human Use
Basic Science and Technology
Primary 3.
2nd Term
Second term
Scheme of work with lesson note
Week: Four
Class:Primary Three
Previous Knowledge : Young Learners have been taught
Example of diseases or sickness caused by harmful substances
In their previous lesson
Topic: Water (water quality)
Behavioural objectives: At the end of the lesson, pupils should be able to:
1. list the qualities of good water.
2. sources of good water.
3. explains the sources and qualities of bad water.
4. enumerate the qualities of good water.
5. enumerate the qualities of bad water.
Instructional material/Reference material:
Wall chart
Pictures
Online materials
Building Background /connection to prior knowledge :pupils are familiar with Career Prospects and Opportunities in Technology
Content: Water
WATER: water is refer to a liquid substance or clear liquid substance.it is present naturally as rain, and found in rivers, lakes and seas; its solid form is ice and its gaseous form is steam.
SOURCES OF GOOD WATER
Sources where water may be obtained include:
1. Ground sources such as groundwater, springs, hyporheic zones and aquifers.
2. Precipitation which includes rain, hail, snow, fog, etc.
3. Biological sources such as plants.
Desalinated seawater.
Water supply network.
SOURCES OF BAD WATER
1. Water gotten from gutter
2. Water gotten from the sea
3. Water gotten from erosions and flood.
QUALITIES OF GOOD WATER
1. Contaminant free
2. Mineral rich
3. Most be hundred percent pure and clean
4. Good taste.
5. Odourless
QUALITIES OF BAD WATER
1. Irritative odour
2. Dirty in colour
3. Contains germs
4. Taste poor
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 the meaning of disease/sickness
2. discuss examples of diseases and sickness caused by harmful substances.
3. explains symptoms and prevention of diseases and sickness.
4. explains treatment of the diseases/sickness.