A machine is a simple object which makes our work easier to do. Many objects in the school and at home such as a pair of scissors, bottle opener and cutlass, are examples of simple machines. In science, anything that makes us to use less energy to do much work or overcome a large force […]
MEANING OF SAFETY Safety means keeping yourself and others free from harm or danger. That’s being careful not to fall, bump or run into things. MEANING OF ACCIDENT Accidents are unplanned or unexpected events that happen to human beings. Accidents can happen everywhere, for example, in the schools, homes, roads and markets. COMMON ACCIDENTS
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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 impact nature’s water cycle as well. Causes of Water Pollution Water pollution has various
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AIR POLLUTION Air pollution is when unwanted chemicals, gasses, 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 The burning of fossil fuels Sulfur dioxide emitted from the combustion of fossil fuels like coal, petroleum and other factory combustibles
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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 Tobacco smoke. Radon. Asbestos. Lead. Combustion gases. Tap water Household chemicals. Pesticides See also High and long jump Classes
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A carb is a macronutrient—a sugar, starch or fiber 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 are found in a wide array of both healthy and unhealthy foods—bread, beans, milk, popcorn,
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. CLASSES OF FOOD There are seven major classes of nutrients: Carbohydrates. Fats. Minerals. Proteins.
The skeleton is the body part that forms the supporting structure of an organism. It can also be seen as the bony frame work of the body which provides support, shape and protection to the soft tissues and delicate organs in animals FUNCTIONS OF THE SKELETAL SYSTEM Skeletal system has several additional functions, including:
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 the process by which organisms obtain energy and raw materials from nutrients such as proteins,
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Comparison of plant and animals as living things Animals are classified as wild and domestic animal. 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 called a friendly animal. While wield animals
Soil is the top most layer of the earth where plant grow and animal walk Do you know that soil is very important to us? For example, we plant seeds in the soil in our farms and our school gardens. We also use soil for making bricks and pots. There are three different types
Parts of the human body includes:- Head, eye, nose, mouth, arm, hand, knee, leg, foot, toes etc. Each part of the body is useful to us, part of the usefulness includes:- Part of the body Use Part of the body Use Eyes To see things Mouth To talk and to eat Nose To smell things
Animals live in different kinds of homes. Based on where animals live, they can be classified into two groups, these are:- Domestic animals: – These are animals that live with man at home; they are also known as harmless animals. Examples are cat, dog, hen, cow, goat, ram etc. Wild animals:- These are animals that
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Feeding All animals eat food. The food they eat may be different. Some animals feed on banana, some animals eat beans, some cassava, some eat chick, some eat grass, some feed on maize, some eat leaf, some eat rat while fishes eat worm. Movement All animals can move. A goat can walk and it can
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Animals are living things which means they can perform the characteristics of living things which include reproduction, feeding, movement etc. Animals cannot produce their own food themselves. They rely either directly or indirectly on the food produced by plant. Animals breathe in oxygen that is produced by plant. Examples of common animals: butterfly, cat, cock,
Plants are very useful to us in many ways. We can make many things from plants for our use. As foods: A lot of the food that you eat comes from plants. For building, decoration, furniture, shade and as tools For making medicines: Plants are used for making various types of medicines. Only people who
Shape The shape of the leave of a plant can be described as follows: broad leaves, long leaves, narrow leaves, round leaves, divided leaves, thick leaves and thin leaves. Size Plants differ in their sizes. Some are big. Some have a medium size. Others are small. Example of a plant with a big size is
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Plants are living things that can be found in our environment. Plants can manufacture their food by themselves making use of water and energy from sunlight through a process called photo they thesis. Plants take in carbon dioxide produced by animal and give off oxygen that is needed by man for survival Parts of