SANITATION Sanitation is the process of keeping places free from dirt which causes infections, diseases and germs. This is done by removing waste products (both solid and liquid) away from the environment. It is also the process of maintaining cleanliness. PERSONAL CLEANLINESS This refers to the way of keeping germs from our bodies in order […]
This is the period during which growing boys and girls reach sexual maturity and become capable of reproduction. Usually, puberty starts between ages 8 and 13 in girls and ages 9 and 15 in boys. Pubertal Changes in Boys Broadening of the chest and shoulders. Deepening of the voice. Growth of moustache and beard. Growth
It is described as a closed circulatory system in that blood is circulated round the body through a system of interconnecting blood vessels. The human circulatory system is also described as double circulation in that blood has to flow twice through the heart before one complete circulation can be made through each time it does.
HUMAN CIRCULATORY SYSTEM Read More »
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 grown in the garden and farms for food, commercial purposes, and aesthetic values. Resources from
Resources from living things Read More »
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 animals are the primary sources of food for human consumption. Agriculture, including crop cultivation and
Economic Importance of Plant and Animal Resources Read More »
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 minerals in Nigeria are gold, limestone, coal, tin ore, columbite, iron ore, diamond etc. These
Resources from Non-living Things (Solid Material) Read More »
Energy for working. Energy is a key factor in national development. For instance, electrical energy is needed to do a lot of things. Poor management of the energy resources in a nation might cause it to remain in a state of underdevelopment. The three main societal needs of energy are mechanical work, heat supply and
ENERGY AND SOCIETY Read More »
Matter is anything that has mass and occupies space. Examples are a stone, sand, water, biro, air etc. All matter is made up of tiny particles called atom. PROPERTIES OF MATTER Matter occupy space Matter have mass Matter is made up of particles It exists in solids, liquids or gasses CLASSIFICATION OF MATTER Matter can
Metals are elements that readily form positive ions and have metallic bonds. Examples are copper, iron, copper, etc. Properties of Metals They are good conductors of heat and electricity They are lustrous i.e. shiny and can be polished. They are malleable, that is, they are capable of being beaten into thin sheets. They are ductile,
CLASSIFICATION OF NON-LIVING THINGS INTO METALS AND NON-METALS METALS Read More »
Nutrition is the process of taking in food to get energy and maintain life. It is also called feeding in living organisms. FOOD Food is any substance which when eaten is used to maintain life and growth. Importance of Food To give energy To maintain life It makes us grow To make one stay healthy
Living things are things that have life in them. Examples are man, insect, bird, fish, toad, lizard, yam, grass, etc. Living things are classified into two major group i.e. plants and animals. Non-living things are things that have no life in them. Examples are stone, chair, table, water, shoe, bag, salt etc. The Characteristics of
CHARACTERISTICS OF LIVING AND NON-LIVING THINGS Read More »
A drug is a chemical substance which affects the action of the body. IMPORTANCE OF DRUG It saves life It relieves pain It relieve suffering It helps to fight against diseases It promotes food health. DRUG ABUSE This is the act of using drugs without the doctor’s advice and prescription. DRUG MISUSE This refers to
DRUG AND DRUG ABUSE Read More »
The Meaning of HIV/AIDS The Human Immunodeficiency Virus (HIV) or Acquired Immune Deficiency Syndrome (AIDS) was first reported in the Los Angeles city of California in 1980. It was first diagnosed in a gay man (homosexual). AIDS is the most severe form of HIV infections. The virus only lives in human and not in animals,
HIV/AIDS – MEANING, SYMPTOMS AND EFFECTS Read More »
Reproduction is the ability of living organism to produce young ones of their kind. It is necessary for the continuity of life. TYPES OF REPRODUCTION There are two main types of reproduction Asexual reproduction Sexual Reproduction Asexual Reproduction: This is the type of reproduction that involves only one parent. Examples are vegetative reproduction, binary fission
REPRODUCTIVE SYSTEM Read More »
Nigeria is known to have abundant solid mineral resources spread across different locations within the country. Here are some of the key solid minerals found in Nigeria and their respective locations: 1. Coal Nigeria has significant coal deposits, primarily located in the southeastern and north-central parts of the country. Major coal mines are situated in
Resources from non-living things and their Location of solid mineral in Nigeria Read More »
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. The pinhole camera operates on this principle. Other phenomena that show that the light travel
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 of charged particles, such as electrons. Here are some key points about magnetism: 1. Magnetic
Sexually transmitted infections (diseases) are infections that can be spread from one person to another through sexual intercourse with an infected person. Examples, Causative agents and symptoms of Sexually Transmitted Infections (STIs) EXAMPLES OF STIs CAUSATIVE AGENT TRANSMISSION SYMPTOM PREVENTION 1 Gonorrhea Bacterium (Neisseria gonorrhoea) – Sexual intercourse – At delivery through infected mother to
SEXUALLY TRANSMITTED INFECTIONS Read More »
Counselling and Testing Places to go for counselling and medical tests are: School guidance and counsellor Health centres Specialized institutions Youth centre Adolescent-focused NGOs Care and support The support and care that can be given to people living with HIV/AIDS are: Compassion and understanding which create a sense of love and build self-confidence Emotional support
HIV means Human Immunodeficiency Virus while AIDS means Acquired Immune Deficiency Syndrome. HIV/AIDS is a deadly disease which has no cure yet. The virus, HIV is the cause of AIDS. This virus attacks the body’s immune defence system and breaks it down. Differences between HIV and AIDS HIV is the virus that causes AIDS. A