Tag: Class 8
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Class 8 | Mathematics
FREE Educational Tools Course Features Personalised Education Pre-Requisites Test & Enrich Study Tools Audio Visual & Digital Content Testing Tools Assign, Assess & Analyse Interactive Tools Ask, Answer & Discuss Speed Notes Notes For Quick Revision E-book Chapterwise Textbook Assignment Tools Testing Tools To Assign, Assess & Analyse NCERT Solutions Solved Exercises NCERT Exemplar HOTS…
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CROP PRODUCTION AND MANAGEMENT | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Crop Production and Management In order to provide food for a large population – regular production, proper management and distribution of food is necessary. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Crop : When plants of the same kind are…
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MICROORGANISMS : FRIEND AND FOE | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Micro-organisms: Micro-organisms are too small and are not visible to the un aided eye. They can survive under all types of environment, ranging from ice cold climate to hot springs and deserts to marshy lands. They are also found inside the bodies of animals including…
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COAL AND PETROLEUM | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Natural Resources: Resources include everything provide by the nature. They form the wealth of a country. Types of Natural Resources:(i) Inexhaustible: There are some resources that are present unlimited in nature and will not be exhausted even if used continuously. Example: Sunlight, Air. (Scroll down…
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COMBUSTION AND FLAME | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Combustion and Flame Combustion: The process of burning a substance in the presence of air (oxygen) andundergoes a chemical reaction to produce heat and light. The substances which burn in air are called combustible. Oxygen (in air) is essential for combustion. During the process of…
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CONSERVATION OF PLANTS AND ANIMALS | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Conservation of Plants and Animals Biodiversity: Occurrence of innumerable types of organisms and the whole range of their varieties (biotypes) adapted to different climates, environments and areas. Wildlife sanctuary, national park and bio-sphere reserve are names given to the areas meant for conservation and preservation…
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REPRODUCTION IN ANIMALS | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Reproduction in Animals Reproduction is a process in which the organisms produce the young ones of their own kind. There are two modes by which animals reproduce. These are: (i) Sexual reproduction, and (ii) Asexual reproduction (Scrolldown to continue …) Study Tools Audio, Visual &…
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REACHING THE AGE OF ADOLESCENCE | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Reaching The Age of Adolescence Humans become capable of reproduction after puberty. Puberty sets in between the ages of 11 years and 19 years. These children are called adolescents. The onset of puberty brings about growth of the reproductive organs. Hairs grow at various places…
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FORCE AND PRESSURE | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Force And Pressure Force: A push or a pull, that changes or tends to change the state of rest or of uniform motion of an object or changes its direction or shape. A force arises due to the interaction between two objects. Force has magnitude…
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FRICTION | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Friction: Friction is the force that resists the motion of one object against another. It is the force felt between two surfaces when one attempts to slide against the other. Causes of Friction: Friction exists between two surfaces due to irregularities on the surfaces of the…
