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Transportation in Animals and Plants | Study
Pre-Requisires Test & Enrich Transportation in Animals and Plants | Speed Notes Notes For Quick Recap Transportation in animals: In most of the animals the blood that circulates in the body distributes food and oxygen to different cells of the body. It also carries waste products from different parts of the body for excretion. Circulatory…
Reproduction in Plants | Study
Pre-Requisires Test & Enrich Reproduction in Plants | Speed Notes Notes For Quick Recap All organisms multiply or reproduce offspring of their own kind. In plants there are two modes of reproduction, namely (a) Asexual reproduction and (b) Sexual reproduction. There are several methods of asexual reproduction such as fragmentation, budding, spore formation and vegetative…
CBSE 7 | Science – Study – Free
Educational Tools | Full Course Study Tools Audio, Visual & Digital Content Assessment Tools Assign, Assess & Analyse
Nutrition in Plants | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Nutrition: It is the mode of taking food by an organism and its utilization by the body. Nutrients: The components of food that provide nourishment to the body. All organisms take food and utilise it to get energy for the growth and maintenance of their…
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…
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…
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…
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…
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 &…
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…
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…
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…
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…
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…
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…
IMPROVEMENT IN FOOD RESOURCES | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Study Tools Audio, Visual & Digital Content Dig Deep Topic Level Resources Sub – Topics Select A Topic Topic: Chapters Index Select Another Chapter Assessments Personalised Assessments
MOTION | Study
Pre-Requisires Test & Enrich Rest And Motion | Speed Notes Notes For Quick Recap Rest And Motion Motion: An object is said to be in motion when its position changes with respect to the reference point with time. Rest: An object is said to be at rest when its position does not change with respect…
FORCE AND LAWS OF MOTION | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Force : Push or pull is called Force. Example: We push or pull to open a door. (Scroll down to continue …) Study Tools Audio, Visual & Digital Content Effects of Force Net or Resultant Force: Resultant Force or Net Force acts on a body…
GRAVITATION | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Study Tools Audio, Visual & Digital Content Dig Deep Topic Level Resources Sub – Topics Select A Topic Topic: Chapters Index Select Another Chapter Assessments Personalised Assessments
WORK AND ENERGY | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Study Tools Audio, Visual & Digital Content Dig Deep Topic Level Resources Sub – Topics Select A Topic Topic: Chapters Index Select Another Chapter Assessments Personalised Assessments
SOUND | Study
Pre-Requisires Test & Enrich Speed Notes Notes For Quick Recap Study Tools Audio, Visual & Digital Content Dig Deep Topic Level Resources Sub – Topics Select A Topic Topic: Chapters Index Select Another Chapter Assessments Personalised Assessments
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…
