Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
Access our comprehensive JSS 3 Basic Science notes for 1st, 2nd, and 3rd term. These notes are tailored to align with the national curriculum and cover key topics necessary for effective learning and exam preparation.
Perfect for students looking for well-structured study materials.
Download JSS 3 Basic Science notes for all terms. Comprehensive study material for effective learning and exam preparation.
TEENAGE PREGNANCY This is defined as pregnancy which occurs in young women between age of ten to nineteen Regardless of whether the woman is married or is legally an adult. Teenage pregnancy is associated with risk such as biological effect…
Radioactivity is the spontaneous disintegration of the nucleus of an atom of an element. Radioactivity involves nucleus reactions. A chemical reaction involves the movement of an element in its nucleus, and the force holding the nucleus becomes weaker. Such an…
A machine is defined as any arrangement that enables work to be done easily. Types of machine There are different types of simple machines ; lever, pulley, wheel and axle, inclined plane, screw and jack and hydraulic press .A machine…
ETHICS –deals with the manners or ways in which thing are done to achieve decorum, coherence and good standard, right application of science to enable progress and development of the society. Wrong application of science to cause hazardous and un-development…
ABORTION: Is defined as the deliberate termination of human pregnancy. It ends the pregnancy by removing the foetus and embryos before it can survive outside the uterus. Types of Abortion Reason For Abortion Consequences of Unsafe Abortion. Ways of Preventing…
Skill acquisition is a special ability impacted on somebody as a result of training to do something well. Reasons For Skill of Acquisition 2. To be self employed because they don’t want to be under anybody 3. For decision making…
Electrical energy are needed in industries ,officers and home for carrying out numerous essential operation for instance blender at home , television, iron and fridge all make use of electrical energy to operate . Electric current is the flow or…
Magnetism is a fundamental force of nature that manifests itself in various ways. It is the force that causes certain objects to attract or repel each other. Magnetism is closely related to electricity and is a result of the movement…
Sound is a form of energy and transfer in form of wave to the listener through a medium by vibration Sound is transmitted through a medium in the form of vibration or wave reach the human ear , the waves…
Energy is the capacity to do work, Light is a form of energy because it can do work. Light energy travels on a straight line, the phenomenon of light travelling on a straight line is called rectilinear propagation of light.…
Nigeria is known to have abundant solid mineral resources spread across different locations within the country
Minerals are naturally occurring substances in the soil. Such minerals are natural endowments to particular communities. The mineral resources may exist in solid, liquid or gaseous forms. Examples of mineral resources are petroleum, limestone, gold, coal etc. Examples of solid…
Plant and animal resources play a crucial role in the economy, providing various goods and services that contribute to human well-being and economic development. Here are some key economic aspects of plant and animal resources: 1. Food Production Plants and…
The source of resources from living things comes from plants and animals. The resources from plant sources include cash crops and food crops, dyes, and drugs while resources from animals include hide and skin, and dairy products. Plants’ resources are…
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…