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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
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उष्णतेचे परिणाम
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
पाण्याचे गुणधर्म
The document is a copyright notice for the Jnana Prabodhini Educational Resource Centre spanning 13 blank pages. It does not contain any other substantive information beyond the repeated copyright notice on each page.
अन्नग्रहण आणि पोषण
The document is a copyright notice repeated over 19 lines attributed to the Jnana Prabodhini Educational Resource Centre, indicating that the entire content is copyrighted and owned by that organization.
PSA Exam Pattern
The document provides information about the Central Board of Secondary Education's (CBSE) Problem Solving Assessment (PSA) for classes 9 and 11. The PSA will assess skills like quantitative reasoning, qualitative reasoning, language conventions, critical thinking, problem solving and communication. It will count for 10% of the total class 9 assessments and the score will carry forward to class 10 where students can improve their score. The 60 minute multiple choice test will be administered in schools on February 14, 2013 and will consist of 60 questions assessing areas like quantitative reasoning, qualitative reasoning and language conventions.
Recommended
उष्णतेचे परिणाम
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
पाण्याचे गुणधर्म
The document is a copyright notice for the Jnana Prabodhini Educational Resource Centre spanning 13 blank pages. It does not contain any other substantive information beyond the repeated copyright notice on each page.
अन्नग्रहण आणि पोषण
The document is a copyright notice repeated over 19 lines attributed to the Jnana Prabodhini Educational Resource Centre, indicating that the entire content is copyrighted and owned by that organization.
PSA Exam Pattern
The document provides information about the Central Board of Secondary Education's (CBSE) Problem Solving Assessment (PSA) for classes 9 and 11. The PSA will assess skills like quantitative reasoning, qualitative reasoning, language conventions, critical thinking, problem solving and communication. It will count for 10% of the total class 9 assessments and the score will carry forward to class 10 where students can improve their score. The 60 minute multiple choice test will be administered in schools on February 14, 2013 and will consist of 60 questions assessing areas like quantitative reasoning, qualitative reasoning and language conventions.
प्रकाशाचे संक्रमण
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
पाण्याचे गुणधर्म
The document is comprised of 13 paragraphs, each containing the copyright for Jnana Prabodhini Educational Resource Centre. No other substantive information is provided beyond restating the copyright 13 times.
Animal body
This chapter discusses the structure and function of the animal body. It begins by defining tissue and how tissues combine to form organs and organ systems. The four main types of tissues - epithelial, connective, muscle and nervous - are then described. Each tissue is composed of different cell types that carry out specific functions. Tissues work together to form organs and organ systems that allow the body to function through homeostasis.
Automic Structure
The document discusses the structure of an atom. It explains that an atom contains protons, neutrons, and electrons. Protons and neutrons are located in the nucleus, while electrons orbit the nucleus. John Dalton, J.J. Thomson, and Ernest Rutherford contributed theories to our understanding of atomic structure through experiments. Rutherford determined that the nucleus is very small and contains a positive charge, with electrons orbiting the outside. The number of protons defines the atomic number of an element.
Desert
The Great Indian Desert, also known as the Thar Desert, is located in northwestern India. It is one of the largest subtropical deserts in the world, covering an area of over 200,000 square kilometers across the Indian states of Rajasthan, Haryana, Punjab, and Gujarat. The desert is mostly an undulating sandy plain covered with crescent-shaped sand dunes, and it has an arid climate with low vegetation due to low annual precipitation of less than 250 millimeters.
Circulatory system
The circulatory system carries blood and substances through the body using the heart and blood vessels. The heart pumps blood through tubes called blood vessels which together with the heart form the circulatory system. Blood is carried to and from all parts of the body to supply nutrients and oxygen and remove waste through this circulatory network.
Improvement in food resources
This document discusses ways to improve food resources through animal husbandry and high yielding animal varieties. It provides tables listing high yielding varieties of cows, buffalo, goats, sheep, and pigs. It also describes symptoms of healthy versus sick animals and lists common diseases of dairy animals. The document discusses poultry breeds and their meat and egg production. It describes the nutritional characteristics of fish meat. It introduces honey and lists its color, thickness, taste, components, and biological products. Factors that influence honey quality and yields are described.
E prashikshak - December
This document provides a list of links to various virtual museum tours and resources for exam preparation. It includes links to virtual tours of major museums like the Smithsonian National Museum of Natural History, The Louvre Museum, British Museum, and Holocaust History Museum. It also lists links to online resources for 10th class exam preparation, teachers eligibility test preparation, and information on coin museums and collections.
Egypt
This document provides information on various aspects of ancient Egyptian society and culture. It discusses 1) the importance of the Nile river to Egyptian civilization, 2) daily life and social structure which was divided into three classes, 3) occupations including farming, weaving, metalworking etc, 4) sports and leisure activities such as swimming and board games, 5) religious beliefs and mythology including gods like Osiris and Isis, 6) architecture such as pyramids, temples and tombs, 7) art including sculptures and paintings, and 8) mummification and the afterlife. The document contains images and descriptions of various archaeological sites and artifacts from ancient Egypt.
Kingdom plantae
1. The document divides plants into 5 divisions based on their characteristics and complexity. These include thallophyta (algae), bryophyta (mosses and liverworts), pteridophyta (ferns), gymnosperms (cone-bearing plants), and angiosperms (flowering plants).
2. Angiosperms are further divided into monocots and dicots based on whether their seeds have one cotyledon or two. Monocots and dicots differ in features like their root systems, vascular bundles, leaf and flower structures.
3. Examples are provided for plant types in each division including algae like ulothrix and chara, mosses like funaria
Digestive system
Carbohydrates, proteins, and fats are broken down by digestive enzymes into smaller molecules like glucose, amino acids, and fatty acids in order to be absorbed by the small intestine. The digestive system includes the mouth, esophagus, stomach, small intestine, large intestine, and anus. Various digestive juices containing enzymes are produced and released by the salivary glands, stomach, pancreas, and small intestine to break down food into absorbable molecules.
Magnesium e
Magnets attract certain metals like iron and nickel due to the property of magnetism. The first magnet was discovered when a shepherd noticed his iron nails being pulled toward a stone in Magnesia, and different types of magnets were later discovered. Magnets have poles where their strength is located, and they attract unlike poles but repel like poles. The Earth itself acts as a huge magnet with geographic north and south poles opposite to its magnetic north and south poles. Magnets have many uses including compasses, in medical science, lifting heavy loads, telephone receivers, loudspeakers, and toys.
Vivek inspire
This document outlines a program to identify and nurture gifted children in remote areas of Arunachal Pradesh, India. It notes the challenges of remoteness, difficult terrain, and lack of resources and awareness. The program will identify gifted students using informal and formal assessments, provide them training and experiences through workshops, and develop their skills in areas like mental ability, creativity, and problem solving. Mentors will be trained to continue the program between workshops. The goals are for students to succeed in academics and competitions, develop holistically, and become leaders representing their state. Challenges include remoteness, lack of awareness, overburdened mentors, and maintaining consistent contact.
Chhote Scientists
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प्रकाशाचे संक्रमण
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
पाण्याचे गुणधर्म
The document is comprised of 13 paragraphs, each containing the copyright for Jnana Prabodhini Educational Resource Centre. No other substantive information is provided beyond restating the copyright 13 times.
Animal body
This chapter discusses the structure and function of the animal body. It begins by defining tissue and how tissues combine to form organs and organ systems. The four main types of tissues - epithelial, connective, muscle and nervous - are then described. Each tissue is composed of different cell types that carry out specific functions. Tissues work together to form organs and organ systems that allow the body to function through homeostasis.
Automic Structure
The document discusses the structure of an atom. It explains that an atom contains protons, neutrons, and electrons. Protons and neutrons are located in the nucleus, while electrons orbit the nucleus. John Dalton, J.J. Thomson, and Ernest Rutherford contributed theories to our understanding of atomic structure through experiments. Rutherford determined that the nucleus is very small and contains a positive charge, with electrons orbiting the outside. The number of protons defines the atomic number of an element.
Desert
The Great Indian Desert, also known as the Thar Desert, is located in northwestern India. It is one of the largest subtropical deserts in the world, covering an area of over 200,000 square kilometers across the Indian states of Rajasthan, Haryana, Punjab, and Gujarat. The desert is mostly an undulating sandy plain covered with crescent-shaped sand dunes, and it has an arid climate with low vegetation due to low annual precipitation of less than 250 millimeters.
Circulatory system
The circulatory system carries blood and substances through the body using the heart and blood vessels. The heart pumps blood through tubes called blood vessels which together with the heart form the circulatory system. Blood is carried to and from all parts of the body to supply nutrients and oxygen and remove waste through this circulatory network.
Improvement in food resources
This document discusses ways to improve food resources through animal husbandry and high yielding animal varieties. It provides tables listing high yielding varieties of cows, buffalo, goats, sheep, and pigs. It also describes symptoms of healthy versus sick animals and lists common diseases of dairy animals. The document discusses poultry breeds and their meat and egg production. It describes the nutritional characteristics of fish meat. It introduces honey and lists its color, thickness, taste, components, and biological products. Factors that influence honey quality and yields are described.
E prashikshak - December
This document provides a list of links to various virtual museum tours and resources for exam preparation. It includes links to virtual tours of major museums like the Smithsonian National Museum of Natural History, The Louvre Museum, British Museum, and Holocaust History Museum. It also lists links to online resources for 10th class exam preparation, teachers eligibility test preparation, and information on coin museums and collections.
Egypt
This document provides information on various aspects of ancient Egyptian society and culture. It discusses 1) the importance of the Nile river to Egyptian civilization, 2) daily life and social structure which was divided into three classes, 3) occupations including farming, weaving, metalworking etc, 4) sports and leisure activities such as swimming and board games, 5) religious beliefs and mythology including gods like Osiris and Isis, 6) architecture such as pyramids, temples and tombs, 7) art including sculptures and paintings, and 8) mummification and the afterlife. The document contains images and descriptions of various archaeological sites and artifacts from ancient Egypt.
Kingdom plantae
1. The document divides plants into 5 divisions based on their characteristics and complexity. These include thallophyta (algae), bryophyta (mosses and liverworts), pteridophyta (ferns), gymnosperms (cone-bearing plants), and angiosperms (flowering plants).
2. Angiosperms are further divided into monocots and dicots based on whether their seeds have one cotyledon or two. Monocots and dicots differ in features like their root systems, vascular bundles, leaf and flower structures.
3. Examples are provided for plant types in each division including algae like ulothrix and chara, mosses like funaria
Digestive system
Carbohydrates, proteins, and fats are broken down by digestive enzymes into smaller molecules like glucose, amino acids, and fatty acids in order to be absorbed by the small intestine. The digestive system includes the mouth, esophagus, stomach, small intestine, large intestine, and anus. Various digestive juices containing enzymes are produced and released by the salivary glands, stomach, pancreas, and small intestine to break down food into absorbable molecules.
Magnesium e
Magnets attract certain metals like iron and nickel due to the property of magnetism. The first magnet was discovered when a shepherd noticed his iron nails being pulled toward a stone in Magnesia, and different types of magnets were later discovered. Magnets have poles where their strength is located, and they attract unlike poles but repel like poles. The Earth itself acts as a huge magnet with geographic north and south poles opposite to its magnetic north and south poles. Magnets have many uses including compasses, in medical science, lifting heavy loads, telephone receivers, loudspeakers, and toys.
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Vivek inspire
This document outlines a program to identify and nurture gifted children in remote areas of Arunachal Pradesh, India. It notes the challenges of remoteness, difficult terrain, and lack of resources and awareness. The program will identify gifted students using informal and formal assessments, provide them training and experiences through workshops, and develop their skills in areas like mental ability, creativity, and problem solving. Mentors will be trained to continue the program between workshops. The goals are for students to succeed in academics and competitions, develop holistically, and become leaders representing their state. Challenges include remoteness, lack of awareness, overburdened mentors, and maintaining consistent contact.
Chhote Scientists
Jnana Prabodhini and KPIT Cummins Educational Initiative for School students in rural and semi urban areas of Maharashtra such as Hinjewadi, Maval, Mulshi, Salumbre. •Concept teaching through experiments and fun games. • Activity kits provided to the students to implement the concepts and make something innovative. • Selection of science concepts based on curriculum such as Motion, Energy, Light, Sound. •Lectures conducted by trained volunteers of KPIT in collaboration with Jnana Prabodhini • Focus on the project methodology •Exhibition on a large scale is arranged for students to demonstrate their various projects.
Food and Nutrition
1. All living things require food for growth and repair, though plants can produce their own food through photosynthesis while animals and some other organisms obtain food from other living things.
2. Food provides organisms with nutrients like carbohydrates, proteins, fats, vitamins, minerals, and water which are broken down and absorbed for energy, growth and cell repair.
3. Digestion and absorption of food occurs through different processes depending on whether an organism is unicellular like an amoeba or multicellular like humans and animals, but all involve the breakdown of food into simpler compounds that can be used by the cells of the body.
Measurement Estimation
The document discusses measurement accuracy. Some measurements like vegetables and distances can be estimated, while others like gold, medicines, and machine parts need to be accurate. The required level of accuracy depends on the purpose of measurement. Advances in technology now allow for more accurate measurement of things like time, distance, mass, and chemical compositions. However, mistakes can still occur due to limitations of instruments or observer negligence. Laws and regulations aim to prevent inaccurate measurements from cheating customers.
Food and preservation of food
The document discusses food preservation and adulteration. It explains that food preservation aims to make food available throughout the year by storing it in ways that maintain quality. Common preservation methods include drying grains, boiling liquids, refrigerating or freezing perishables, and using salts, spices, oils or sugars to preserve items like pickles. Adulteration involves mixing high quality food with lower quality ingredients, which can harm health. Governments regulate food to prevent adulteration.
Reproduction in Living Things
1. Reproduction is a natural process that allows living things to produce offspring of the same type in order to perpetuate their species.
2. Living things can reproduce sexually, with male and female gametes, or asexually without sex organs through various vegetative, spore-forming, budding, or fragmentation methods.
3. Sexual reproduction in plants involves pollen transfer for fertilization to produce seeds containing embryos that grow into new plants, while animals sexually reproduce through internal fertilization leading to offspring that receive nourishment initially through eggs or live birth.
The Organisation of Living Things
The document discusses the organization of living things from the cellular level to the ecosystem level. It explains that living things are organized in a hierarchical manner, from cells to tissues to organs to organ systems to organisms and finally populations within an ecosystem. At each level, the parts work together interdependently to carry out functions necessary for life. The ecosystem level represents the broadest level of organization, where living things interact with each other and their non-living environment.
Effects of Heat
Heat causes materials to change between solid, liquid and gas states. Solids expand and become fluids when heated, liquids boil and become gases, and gases expand. Materials change states at specific temperatures. State changes can also be caused by removing heat. The temperature at which a material changes state is unique to that material. Heat causes all materials to expand and contract with temperature change.
Motion and Types of motion
This document discusses different types of motion. It defines speed as the distance traveled in a specific time. There are several types of motion including linear motion, oscillation motion, rotary motion, irregular motion, and circular motion. Linear motion involves traveling in a straight line at a constant or varying speed. Oscillation motion refers to movement from one end point to another and back again. Rotary motion is when an object passes through the same point while rotating.
Electric Charge
Static electric charge develops when objects are rubbed together, such as a plastic comb rubbed through hair. This causes an imbalance of electric particles between the two objects. Glass develops a positive charge when rubbed with silk, while ebonite becomes negatively charged when rubbed with wool. Like charges repel each other, while unlike charges attract. The electroscope can detect electric charge by the separation of its gold leaves when a charged object touches it.
Circulation of Blood
The document summarizes the human circulatory system. It has three main parts: blood vessels, heart, and blood. The heart pumps blood through arteries and veins to circulate oxygen and nutrients to tissues through networks of capillaries. It then returns deoxygenated blood back to the heart. The circulatory system allows for the transportation of substances around the body through continuous circulation facilitated by the heart's regular pumping action.
Transmission of Heat
Heat can be transferred through three methods: conduction, convection, and radiation. Conduction involves the transfer of heat between particles in direct contact through vibrations. Convection occurs through the circulation of hotter and colder parts of a fluid. Radiation transfers heat through electromagnetic waves and does not require a medium. Thermos flasks and containers help retain the temperature of foods and drinks by trapping air between layers of glass or plastic that act as insulators to prevent heat transfer by conduction, convection, or radiation.
Propagation of Sound
This document is comprised of 15 pages that are each copyrighted by the Jnana Prabodhini Educational Resource Centre. No other substantive information is provided.
Propagation of Light
1. Light travels in a straight line and can be reflected. When light hits a non-transparent object, it changes direction rather than passing through. The reflected light then reaches our eyes, allowing us to see objects.
2. Experiments can demonstrate the linear propagation of light using a laser, tubes, cardboard with holes, or observing dust particles in a beam of light. Light will only pass through holes that are aligned.
3. Shadows are formed when a light source is blocked by an object. A point light source will create a dark umbra shadow, while an extended source makes both a dark umbra and a faint penumbra shadow. Solar and lunar eclipses occur through the formation of shadows
Natural Resources
The document discusses natural resources and their classification. It defines natural resources as things through which man's basic needs are met, including air, water, soil, minerals, plants and animals. Renewable resources like plants and animals can reproduce and regrow when destroyed. Non-renewable resources like air, water and soil cannot be reproduced and their supplies are limited. The document emphasizes the importance of conserving both renewable and non-renewable natural resources and provides suggestions for reducing pollution and practicing sustainable use.
Characteristics of Living Things
Living things have several key characteristics: they are made of one or more cells, can move on their own, respond to their environment, grow and develop, reproduce, require food and oxygen, and experience a life cycle from birth to death. Non-living things do not possess these characteristics and are not made of cells.
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