Introduction Sound is a form of energy which produces sensation of hearing in our ears It is produced due to vibration of different...

What is Health? Health is a state of complete physical, mental and social well-being. It is not merely the absence of diseases. It is a...

Introduction Life on the earth depends on the resources like air, water, soil, etc. The resources available on the earth and the energy...

Introduction Food supplies proteins, carbohydrates, fats, vitamins and minerals, which are required for body development, growth and...

Introduction ‘Sour’ and ‘Bitter’ taste of food is due to acids and bases. If someone has acidity you give them basic solution such as a...

Difference between Metals and Non-Metals Substances can be categorized by comparing their physical and chemical properties. Anodizing -...

Chemical substances containing carbon are referred to as carbon compounds. Carbon is a versatile element that forms the basis for all...

At presently, 118 elements are known to us. Out of these 118, only 94 are naturally occurring. All these have different properties....

Introduction Animals and Plants show movement with change in environment. Any change in our environment is associated with movement that...

Why do organisms reproduce? Reproduction is not an essential life process but yet all animals and plants reproduce and spend their energy...

Introduction Genetics deal with study of Hereditary and Variation. The transmission of traits/character from one generation to next...

What is Light? We are able to see the objects when light is reflected back from them. Therefore, light is a form of energy that allows us...

The Human Eye The human eye uses light and enables us to see objects around us. The human eye is one of the most valuable and sensitive...

What is an Charge? Charge is a fundamental particle in an atom. It may be positive or negative. Like charges repel each other and unlike...

Introduction What is a Magnet? Magnet is defined as a material that can produce its own magnetic field. There are three types of magnets:...

“There is enough on Earth for everybody’s needs, but not enough for everybody’s greed”. – Mahatma Gandhi. What is Energy? Energy is the...

“Taking care of the Environment is not an obligation. Our Environment is our Life” - Sadhguru Introduction Environment refers to the...

Introduction Natural resources are substances obtained from the planet that are used to sustain life and provide for human needs. A...

Introduction The study of gravitational waves is a relatively new and fascinating area that has recently attracted the interest of both...

Introduction We can say a chemical reaction has taken places if we observe- • ︎ Change in state • ︎ Change in color • ︎ Evolution of a...

Introduction Everything in this universe is made up of material which scientists have named “matter”. The air we breathe, the food we...

What is Sociology? Sociology is the study of human society as a whole. It also performs certain tasks in its field as a discipline: One...

Introduction We each have a status and a role, but we don't get to choose them. They are not roles that an actor might play. Social...

Sociologists and anthropologists are interested in the social conditions in which culture exists. They dissect culture in order to...