Definitions (Stimulation and Reaction) June 30, 2020 STIMULATION AND REACTION Stimulus: A change in the environment that can induce a plant or animal to react or respond is known as stimulus...
Definitions (Virus) June 28, 2020 VIRUS Virology: The branch of microbiological science which deals with the study of viruses is called virology. Virus: Virus is a sub-...
Definitions (Classification of Organisms) June 26, 2020 CLASSIFICATION OF ORGANISMS Taxonomy: The branch of science which deals with identification, nomenclature and classification of animals a...
Definitions (Materials Used in Daily Life) June 24, 2020 MATERIALS USED IN DAILY LIFE Cement: A mixture of fine grey powder of calcium silicate and calcium aluminate is called cement. Slurry: ...
Definitions (Hydrocarbons) June 22, 2020 HYDROCARBONS Hydrocarbon: Compounds of hydrogen and carbon are called hydrocarbon. Single covalent bond: A bond formed by sharing one ...
Definitions (Metals) June 20, 2020 METALS Metal: The electro-positive elements that are good conductors of heat and electricity and are lustrous, malleable and ductile in n...
Definitions (Acid, Base and Salt) June 18, 2020 ACID, BASE AND SALT Acid: The substance which gives hydrogen ion (H + ) when dissolved in aqueous solution is called acid. Weak acid: ...
Definitions (Chemical Reaction) June 16, 2020 CHEMICAL REACTION Chemical equation: The symbolic representation of an actual chemical change during chemical reaction is called chemical...
Definitions (Classification of Elements) June 14, 2020 CLASSIFICATION OF ELEMENTS Classification of elements: The process of arranging of elements in different groups and sub groups on the bas...
Definitions (Electricity and Magnetism) June 12, 2020 ELECTRICITY AND MAGNETISM Electric circuit: The path of electricity through which it flows is called electric circuit. Closed electric ...
Definitions (Light) June 10, 2020 LIGHT Lens: a lens is a piece of transparent glass bounded by two refracting surfaces which are usually spherical. Convex Lens: a lens...
Definitions (Heat) June 08, 2020 HEAT Heat: Heat is a form of energy that flows from a hot body to a cold body when they are placed in thermal contact. Heat energy: He...
Definitions (Source of Energy) June 06, 2020 SOURCE OF ENERGY Energy: The capacity of doing work is called energy. Fuel: The things which can be burnt to produce energy are called ...
Definitions (Pressure) June 04, 2020 PRESSURE Pressure: It is defined as the force acting normally per unit area. Liquid Pressure: The pressure exerted by liquid on the surf...
Definitions (Force) June 02, 2020 FORCE Force: it is defined as a pull or push that changes or tries to change the state of rest or uniform motion of a body in straight li...