BASIC SCIENCE E-NOTE
Class:
JSS 1
Topic:
Environmental Sanitation
Meaning
of Environmental Sanitation
Environmental sanitation is the
practice of keeping our surroundings clean in order to prevent diseases and
promote good health. It involves proper disposal of refuse, good sewage
systems, and clean living conditions.
Methods
of Environmental Sanitation
1.
Refuse Disposal
Refuse disposal means the proper way
of getting rid of waste materials.
Common methods include:
- Burning
- Burying
- Use of dustbins
- Recycling
2.
Sewage Disposal (Types of Toilets)
Sewage disposal deals with the
removal of human waste from the environment.
Types of toilets include:
- Pit latrine
– a hole dug in the ground and covered with a slab
- Bucket latrine
– uses a bucket to collect human waste
- Water closet
– uses water to flush waste away
- Bush system
– using the bush or open field (not encouraged)
Biodegradable
and Non-Biodegradable Materials
Biodegradable
Materials
These are materials that can decay
naturally and easily in the environment.
Examples:
- Leaves
- Food waste
- Paper
- Animal dung
Non-Biodegradable
Materials
These are materials that do not
decay easily and remain in the environment for a long time.
Examples:
- Plastic bottles
- Nylon bags
- Glass
- Metal cans
Importance
of Environmental Sanitation
Environmental sanitation is
important because it:
- Prevents the spread of diseases
- Promotes good health
- Keeps the environment neat and attractive
- Reduces pollution
- Makes living areas safe and comfortable
Class
Activity
Students sort waste materials into biodegradable
and non-biodegradable groups.
Evaluation
Questions
- What is environmental sanitation?
- Mention two methods of refuse disposal.
- State two differences between biodegradable and
non-biodegradable materials.
- Mention two importance of environmental sanitation.
Assignment
- List five biodegradable and five non-biodegradable
materials found in your home.
- Draw and label one type of toilet.
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