Welcome great EduPodian, here is your Third Term JSS1 Basic Science Lesson Note excerpt.
Scheme of Work
1. ENVIRONMENTAL POLLUTION(I)
2. ENVIRONMENTAL POLLUTION (II)
3. FORCES
4. CALCULATIONS OF GRAVITATIONAL FORCE
5. SPACE TRAVEL
6. GRAVITATION AND WEIGHTLESSNESS
7 – 8. EARTH IN SPACE
9. SATELLITES
10. REVISION
REFERENCE
Precious seed BASIC SCIENCE FOR JUNIOR SECONDARY SCHOOLS BOOK 1
Week 1:
ENVIRONMENTAL POLLUTION (I)
Pollution occurs when pollutants contaminate the natural surroundings; which brings about changes that affect our normal lifestyles adversely. “Pollution is the introduction of contaminants into the environment that cause harm or discomfort to humans or other living organisms, or that damage the environment” which can come “in the form of chemical substances, or energy such as noise, heat or light”.
Types of pollution
• Water Pollution
• Air Pollution
• Soil Pollution
WATER POLLUTION
“Water Pollution” is the type of pollution that involves the contamination of various water bodies. Various aquatic creatures depend on these water bodies and its natural nutritious features to support its life. Water pollutants include insecticides and herbicides, food… Click here to order the complete Basic Science Lesson Note for JSS1 third term
Week 2:
ENVIRONMENTAL POLLUTION (II)
EFFECTS OF POLLUTION
1. Environment Degradation: Environment is the first casualty for increase in pollution weather in air or water. The increase in the amount of CO2 in the atmosphere leads to smog which can restrict sunlight from reaching the earth. Thus, preventing plants in the process of photosynthesis. Gases like Sulfur dioxide and nitrogen oxide can cause acid rain. Water pollution in terms of Oil spill may lead to death of several wildlife species.
2. Human Health: The decrease in quality of air leads to several respiratory problems including asthma or lung cancer. Chest pain, congestion, throat inflammation, cardiovascular disease, respiratory disease are some of diseases that can be causes by air pollution. Water pollution occurs due to contamination of water and may pose skin related problems including skin irritations and rashes. Similarly, Noise pollution leads to hearing loss, stress and sleep disturbance.
3. Global Warming: The emission of… Click here to order the complete third term Basic Science Lesson Note for JSS1
Week 3:
FORCES
A force can be defined as any action that makes or tries to move, stop or alter the speed of a body in a given direction.
TYPES OF FORCE
There are two types of force namely:
1. Contact force
2. Non-contact
CONTACT FORCE
These are forces which sources are in contact with the body to which they are applied. The contact forces could be direct or indirect. Examples of contact forces are; Push, Pull ,Tension, Friction, Upthrust.
NON- CONTACT FORCES
These are forces which the sources do not… Click here to order the complete Lesson Note on Basic Science JSS1 third term
Week 4:
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