Forces: Types, Contact, Non-contact & Magnetic

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: CONTACT FORCE These are …
Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
Find complete Basic Science lesson notes for Junior Secondary School students, from JSS1 to JSS3. These notes are carefully crafted to align with the Nigerian school syllabus, making learning easier and more organized.
Each topic is explained simply and engagingly to help students understand key scientific concepts, prepare for examinations, and build a strong foundation for future studies.
Teachers can also use these notes as a classroom resource to improve teaching delivery.
Download and study Basic Science lesson notes for JSS1 to JSS3. Well-structured, syllabus-aligned notes for students and teachers based on the Nigerian curriculum

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: CONTACT FORCE These are …

Effects of Pollution 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.…

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…

Energy is the amount of force or power when applied can move one object from one position to another or Energy defines the capacity of a system to do work. Energy exists in everybody whether they are human beings or…

Energy is the amount of force or power when applied, can move one object from one position to another, or Energy defines the capacity of a system to do work. Energy exists in everybody, whether they are human beings or…

VCT stands for voluntary counseling and testing. VCT is when a person chooses to undergo HIV/AIDS counseling so that they can make an informed decision about whether to be tested for HIV. The government is encouraging all of us to come…

STIs mean sexually transmitted infections. HOW HIV / AIDS CAN BE TRANSMITTED HIV is found in the body fluids (blood, semen, pre-ejaculatory fluids and matured maternal milk). HIV can be transmitted when the fluid body fluid of an infected person…

Sexually Transmitted Infections (STIs), also known as Sexually Transmitted Diseases (STDs) or Venereal Diseases (VD) are diseases that are passed on from one person to another through sexual contact, and sometimes by genital contact – the infection can be passed…

Depression may arise when a teenager is pregnant. The teen may fall into a depression while trying to handle the emotions a pregnancy creates and all of the possibly negative feedback about the pregnancy from friends and family. The fluctuating…

Pregnancy symptoms: Top 11 early signs of pregnancy Wondering if you might be pregnant? Before a missed period or a positive test, your body may start giving you subtle hints. From changes in appetite to fatigue and mood swings, early…

Meaning of Menstruation Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The first period usually begins between twelve and fifteen years…

Reproductive System is a term applied to the group of plant or animal organs that are necessary for or that are accessory to the reproductive processes. Reproduction is the process whereby all living organisms produce offspring. Reproduction is one of…

WATER POLLUTION Water pollution is when waste, chemicals, or other particles cause a body of water (i.e. rivers, oceans, lakes) to become harmful to the fish and animals that need the water to survive. Water pollution can disrupt and negatively…

Air Pollution Air pollution is when unwanted chemicals, gases, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth. Various Causes of Air pollution Sulfur dioxide emitted from the combustion…

Environmental Health is the branch of public health that focuses on the interrelationships between people and their environment, promotes human health and well-being, and fosters healthy and safe communities. Examples of Environmental Health Hazard Environmental Health problems Effects of Environmental…

A carb is a macronutrient, a sugar, starch or fibre found in grains, fruits, vegetables, and dairy products. They’re hard to avoid, and they’re one of the most basic food groups humans need to stay alive. Sources of Carbohydrates Carbohydrates…

Nutrition is how food affects the health of the body. Food is essential—it provides vital nutrients for survival, and helps the body function and stay healthy. The process of taking in food and using it for growth, metabolism, and repair.…

The skeleton is the body part that forms the supporting structure of an organism. It can also be seen as the bony framework of the body, which provides support, shape and protection to the soft tissues and delicate organs in…

There are seven activities which make organisms different from non-living things. These are the seven characteristics of living organisms. 1. Nutrition Living things take in materials from their surroundings that they use for growth or to provide energy. Nutrition is…

Animals are classified as wild and domestic animals. Domestic animals are animals that live with us at in our home, school compound and environment which we care for and they are not harmful to us. Domestic animals can also be…