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
Meaning of Body Image Body image refers to the way a person feels about his or her physical appearance. People have differences in their physical appearances,some of these are in term of: 1. Height 2. Size or shape of the…
Pubertal changes could be physical ,emotional,social and internal.These changes must be well handled In Adolescents. Adolescents often enter puberty with a heightened sense of sexuality accompanied by a great deal of confusion.At this stage,they are faced with the challenges of…
Puberty Puberty is the transitional biological stage between childhood and adulthood. It is the stage when the body matures.Puberty involves changes in primary sexual characteristics. It starts when the pituitary gland at the base of the brain produces hormones. Hormones…
The human brain possesses qualities that have no parallel in the animal world. One consequence is man’s explicit mental capabilities. Man possesses the faculty of speech, and his creative communication using his vocal system is completely different from that of…
An Ecological relationship is the relationship between organisms in an ecosystem. All organisms in an ecosystem are connected. Each interaction depends on the one before it. Each population interacts with one another in a complex web of relations. Ecological relationships…
Adaptations are special features that allow a plant or animal to live in a particular place or habitat. The ability of living organisms to adjust themselves to their surroundings is called as adaptation. Adaptations are the changes in structure or…
This coral reef in the Phoenix Islands Protected Area is a rich habitat for sea life. Few creatures make the ice shelves of Antarctica their habitat What is an Habitat? A habitat is an ecological or environmental area that is…
Description-Atmosphere is the region of air above the earth surface. The principal layers of the atmosphere according to temperature of hotness are thermosphere, mesosphere, stratosphere and troposphere. The ozone layer is located in the stratosphere of the atmosphere where it…
Desertification is the process by which a previously biologically productive land becomes progressively dried till it eventually becomes a desert. Or Desertification is the extension or encroachment of desert into habitable land. The geographical zones near and around the desert…
Deforestation is defined as the clearing of forest wood for farming or purposes without immediate replanting. This act of cutting down trees indiscriminately by the activities of man is encouraged by the following factors; Reasons for Deforestation Effects of Deforestation…
A flood is defined as an overflow of water that submerges land which is usually dry. Flooding occurs when a part of the soil or land is submerged under water. Some parts of the land are prone to flooding, which…
Bush burning is the act of setting forest, weed and grasses on fire deliberately either with a purpose or not. Practices That Influence Bush Burning Effect of Bush Burning Ways of Controlling or Preventing Bush Burning Regulations Against Bush Burning…
Erosion is the washing away or wearing of the top soil and sub-soil from land either by water or wind. Process of Soil Erosion Causes of Soil Erosion Ways of Controlling or Preventing Erosion Effects of Soil Erosion See also…
A family trait is a genetic likeness that is passed through the parents” genes to their children or offspring. The traits that are being inherited are present in form of genes. Genes are the hereditary unit. The characters or traits…
There are two notable drug controlling agencies which established prevent the influx of fake, adulterated and hard drugs. The two agencies are; NAFDAC (National Agency for Food Drug Administration and Control) Functions NDLEA (National Drug Law Enforcement Agency): This is…
A drug is a chemical substance which affects the action of the body. Or a drug is defined as any substance that causes physical and mental changes in the body. If drugs are used under proper medical supervision they can…
Satellite is a body that orbits or moves round a planet e.g. the moon is a satellite of the earth Thus, the satellites or moons of the planet in our solar system are shown below PLANET NO OF SATELLITE Mercury …
Gravitation is a force that has effect on the stability of a body. If an object is tossed up the air, it will fall back to the ground because the earth exerts an attraction on it. This attraction is called…
The space outside the sun, earth, star is called outer space. Space travel is the travelling to the outer space beyond this earth. The space travellers are called astronaut. The earth is surrounded by a layer of air called atmosphere…
Calculation of Work Done Against Gravity. Suppose you lift an object of mass 1kg from the ground to a height of 1m, the work done in lifting the abject is calculated by using the formula Mgh Mgh = 1 x…