SOUND | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Sound: Vibrations that travel through the air or another medium and can be heardwhen they reach a person’s or animal’s ear. Musical Sound: The sound which produce a pleasing effect on the ear. Noise: The sounds which produce a jarring or unpleasant effect. (Scroll down…
CHEMICAL EFFECTS OF ELECTRIC CURRENT | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Chemical Effects of Electric Current Materials through which electric current can pass through easily are called electric conductors or conductors of electricity. Electrical conductivity Or Electric Conductivity: Electrical conductivity is a measure of the ability of a substance to allow the flow of electric current.…
SOME NATURAL PHENOMENA | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Some Natural Phenomena Some objects can be charged by rubbing with otherobjects. There are two kinds of charges — positive charge and negative charge Like charges repel and unlike charges attract each other. Study Tools Audio, Visual & Digital Content Static Electric Charges: The electric…
LIGHT | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Light Light is the natural agent that stimulates sight and makes things visible. Light is reflected from all surfaces. It is a form of energy. Reflection of Light: Bouncing back of light after striking any surface such as a rough surface, Smooth surfce, shiny surface…
MATTER IN OUR SURROUNDINGS | Study
Pre-Requisires Test & Enrich Matter In Our Surroundings | Speed Notes Notes For Quick Recap Matter: 1. Characteristics of Matter Particles Anything (Physical Material not emotions, feelings etc.) which has mass and volume (occupy space) is called matter. We feel the presence of matter by one or more of our five sense organs. Matter is…
IS MATTER AROUND US PURE | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Matter: Anything that occupies space is called matter. Example: Air, water, rock etc., Matter exists in our surroundings in both pure and impure forms. (Scroll down to continue …). Study Tools Audio, Visual & Digital Content Mixture: A mixture is a matter that contains more…
ATOMS AND MOLECULES | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Study Tools Audio, Visual & Digital Content Laws of Chemical Combination: Antoine Laurent Lavoisier, is known as ‘Father of Modern Chemistry. Lavoisier put forward the law of conservation of mass, which laid the foundation of chemical sciences. Law of Conservation of Mass:Law of Conservation of…
STRUCTURE OF THE ATOM | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Study Tools Audio, Visual & Digital Content Charged Particles in Matter Atoms consist of an equal number of protons and electrons. Protons exist in the interiors of the atom and electrons exist in the exteriors of the atom. Therefore, electrons can be removed from an…
THE FUNDAMENTAL UNIT OF LIFE | Study
Pre-Requisires Test & Enrich The Fundamental Unit of Life | Speed Notes Notes For Quick Recap What are Living organisms made up of?All living organisms are made up of cells. Cell is the basic structural and functional unit of complex organisms. History of cell: Cells were first discovered by Robert Hooke in 1665 with the…
TISSUES | Study
Pre-Requisires Test & Enrich Tissues | Speed Notes Notes For Quick Recap Are plants and Animals made of same types of tissues?Plants are stationary, and hence are provided with some tissues made up of dead cells, which provide mechanical strength. They have to withstand unfavourable conditions like strong winds, storms, floods etc. Animals on other…
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