JSS1 - SS3 Lesson Notes
Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
Magnetism is a force that can attract (pull closer) or repel (push away) objects that have a magnetic material like iron inside them (magnetic objects). Magnets can be affected by electricity, which makes them very useful in machines and computers.…
To stop a moving object, a force must act in the opposite direction to the direction of motion. For instance, if you push your book across your desk, the book will move. The force of the push moves the book.…
In the school and at home, we see many moving things. We move about on our legs, vehicles move on roads, trains on the rails, aeroplanes fly in the sky and ships sail on the seas. Movement occurs when a…
Inclined Plane: Definition, Examples, and Uses An inclined plane is one of the most fundamental simple machines in physics and engineering. It plays a crucial role in making heavy tasks easier by allowing us to move objects upward with less…
A pulley is a wheel that has a smooth groove in its rim, with a rope passing through the groove. At times, there are loads that are too heavy to lift. Meaning of Pulley A pulley is a simple machine…
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…
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…
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…
Long jump (Field events) Long jump is a Feld event which involves running and then jumping for a distance from a spot into a fat surface called landing pit. The event requires speed, spring and a great deal of body…
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…
The muscular system is made up of tissues that work with the skeletal system to control movement of the body. Some muscles, like the ones in your arms and legs—are voluntary, meaning that you decide when to move them. Other…
The human digestive system is a series of organs that convert food into essential nutrients that are absorbed into the body. The digestive organs also move waste material out of the body. The enzymes in saliva help break down foods,…
Body systems are groups of organs and tissues that work together to perform important jobs for the body. Some organs may be part of more than one body system if they serve more than one function. Other organs and tissues…
Electricity is a form of energy that can give things the ability to move and work. Electricity makes the following to do work or move: bulbs, toys, machines, cars, television etc. Conductor and Non Conductor Conductor Conductors are materials that…
Electricity is a form of energy that can give things the ability to move and work. Electricity makes the following to do work or move: bulbs, toys, machines, cars, television etc. Pupils Activities Materials required A plastic comb (or a…
Heat Heat is a form of energy that increases the level of hotness of the body. Temperature Temperature is the degree of hotness or coldness of the body –water, iron, food etc. Heat and temperature are often used as if…