tag:blogger.com,1999:blog-18808894110169028992011-11-28T06:19:52.127+05:30I am Savita Dhutti,a science teacher at a well established public school in India.I welcome all of you to My science mania ! Its a website,I created for sharing e-learning experience with my students.Science is in fact, a real fun.It is a subject never--never confined within the four walls of the clssroom.Science is a continuous process of learning! I wish to create a pleasing learning environment for my students. So, Come and ENJOY Science with me.savitadhuttihttp://www.blogger.com/profile/06412876512399365216noreply@blogger.comBlogger3521100tag:blogger.com,1999:blog-1880889411016902899.post-51208609337434536422011-05-16T18:08:00.000+05:302011-05-16T18:25:19.244+05:30

There exists a great diversity and complexity among the microorganisms.5 Groups: (i)Bacteria(ii)Protozoa(iii)Algae(iv)Fungi(v)Viruses

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What is the significance of lactobacillus in the formation of curd?Lactobacillus is a kind of bacteria which can convert a sugar into an alcohol and then into an acid by means of anaerobic respiration.Milk contains a sugar called lactose, a disaccharide (compound sugar) made by the glycosidic bonding between glucose and glactose (monosaccharides).When milk is heated to a temperature of 30-40

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Friendly MicroorganismsMicroorganisms are used for various purposes. They are used in the preparation of curd, bread and cake. They have been used for the production of alcohol since ages.They are also used in cleaning up the environment. For example, the organic waste (vegetables peels, remains of animals, faeces etc.) are broken down in to harmless and usable substances by bacteria.Making curd

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The concept of ‘Friendly Microorganisms’ was developed by Professor Teruo Higa, from the University of the Ryukyus in Okinawa, Japan. He reported in the 1970s that a combination of approximately 80 different microorganisms is capable of positively influencing decomposing organic matter such that it reverts into a ‘life promoting’ process. Higa invokes a ‘dominance principle’ to explain the

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Here are some practical steps you can take to help save the tiger:Spread the word:Tell others that the tiger and its habitat are under threat and that they need our help. You can form forums (or join existing ones) on the web for discussions and exchange views on tiger conservation. Schools can become members of WWF-India’s NCI (Nature Club of India) and reach out to children. WWF-India can help

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Here are some practical steps you can take to help save the tiger:Spread the word:Tell others that the tiger and its habitat are under threat and that they need our help. You can form forums (or join existing ones) on the web for discussions and exchange views on tiger conservation. Schools can become members of WWF-India’s NCI (Nature Club of India) and reach out to children. WWF-India can help

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Here are some practical steps you can take to help save the tiger:Spread the word:Tell others that the tiger and its habitat are under threat and that they need our help. You can form forums (or join existing ones) on the web for discussions and exchange views on tiger conservation. Schools can become members of WWF-India’s NCI (Nature Club of India) and reach out to children. WWF-India can help

savitadhuttihttp://www.blogger.com/profile/06412876512399365216noreply@blogger.comtag:blogger.com,1999:blog-1880889411016902899.post-12786914981597650662011-05-07T17:23:00.000+05:302011-05-07T17:24:12.569+05:30

As tigers continue to lose their habitat and prey species, they are increasingly coming into conflict with humans as they attack domestic animals – and sometimes people. In retaliation, tigers are often killed by angry villagers.

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For over thousand years, tigers have been hunted as status symbol, decorative item such as wall and floor covering, as souvenirs and curios, and for use in traditional Asian medicines. Hunting for sport probably caused the greatest decline in tiger populations until the 1930s. In the early 1990s, trade in tiger bone for traditional Chinese medicines threatened to drive tigers to extinction in the

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For over thousand years, tigers have been hunted as status symbol, decorative item such as wall and floor covering, as souvenirs and curios, and for use in traditional Asian medicines. Hunting for sport probably caused the greatest decline in tiger populations until the 1930s. In the early 1990s, trade in tiger bone for traditional Chinese medicines threatened to drive tigers to extinction in the

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Large-scale habitat destruction and decimation of prey populations are the major long-term threats to the existence of the dwindling tiger population in the country. Less than a hundred years ago, tigers prowled all across India and the sub-continent. But growing human populations, particularly since the 1940s, have contracted and fragmented the tiger's former range. Although extensive habitat is

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Wildlife conservation is the science of analyzing and protecting the Earth’s biological diversity, which is the variation of life forms within a given ecosystem, or for the entire Earth. Biodiversity on the Earth today consists of many millions of distinct biological species. Wildlife conservation is the process of individuals and organization to protect and preserves these species through

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Forest protection is a general term describing methods purported to preserve or improve a forest threatened or affected by abuse. There is considerable debate over the effectiveness of forest protection methods.

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BIOLOGY PROJECT TITLE: LIVE AND LET LIVEA PROJECT ON FORESTS AND WILDLIFE PROTECTIONGUIDELINES FOR THE BIOLOGY PROJECT ...............

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Anybody who has been seriously engaged is scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: 'Ye must have faith.' Max Planck

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class 6 students !Please see the shadow dancing videoand prepare your shadow dance

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REFERENCE TO THE HOLIDAYS HOMEWORK CLASS VI 2010-2011

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1. Reduce, Reuse, RecycleDo your part to reduce waste by choosing reusable products instead of disposables. Buying products with minimal packaging (including the economy size when that makes sense for you) will help to reduce waste.2. Use Less Heat and Air ConditioningAdding insulation to your walls and attic, and installing weather stripping or caulking around doors and windows can lower your

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You Can Help Fight Global WarmingMany efforts are being made by various nations to cut down the rate of global warming. One such effort is the Kyoto agreement that has been made between various nations to reduce the emissions of various green house gases. Also many non profit organizations are working for the cause. Al Gore was one of the foremost U.S. politicians to heave an alarm about the

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As said, the major cause of global warming is the emission of green house gases like carbon dioxide, methane, nitrous oxide etc into the atmosphere. The major source of carbon dioxide is the power plants. These power plants emit large amounts of carbon dioxide produced from burning of fossil fuels for the purpose of electricity generation. About twenty percent of carbon dioxide emitted in the

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The average facade temperature of the globe has augmented more than 1 degree Fahrenheit since 1900 and the speed of warming has been almost three folds the century long average since 1970. This increase in earth’s average temperature is called Global warming. More or less all specialists studying the climate record of the earth have the same opinion now that human actions, mainly the discharge of

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Manufactured Fabrics are usually made of filaments extruded as liquid and formed into various fibers. Because the fiber starts as a liquid, many of the fibers are colored before they become filament, thus they are difficult to dye after the fiber is woven into a fabric.ACETATE is not a strong fiber but can be extruded into fibers of different diameter and woven into fabrics that have the

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NATURAL FABRICS are created from fibers of animals coats, silkworm cocoons, and plants' seeds, leaves, and stems. Click on the natural fiber below for information on each fiber and their weaves.Wool - Fibers from animal coats: Sheep, goats, rabbits, alpacas, llama...Cotton - Fibers from the cotton plant’s seed pod Silk - Fibers from the cocoon of the silkwormLinen - Linen is from flax, a bast

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Generally, the best rule is to follow the care instructions on the manufacturer’s label. If there is no label and/or you wish to wash a garment or fabric at home instead of dry clean, the properties of each fabric will help you determine the care of the fabric or garment.Dry Cleaning is by definition, cleaning with solvents and little or no water. The combination of solvents and heat is hard on

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Easier - Fiber is a long, thin strand or thread of material. Fabric is a cloth material made by weaving or knitting threads together. Harder - Fiber is a hairlike strand of material. It is a substance that is extremely long in relation to its width, at least 100 times longer than it is wide. A fiber is the smallest visible unit of any textile product. Fibers are flexible and may be spun into

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the Copenhagen conference was a unique moment in history. What Copenhagen changed: With 110 world leaders present and a single issue on the agenda, there has never been a meeting like this. The countries that brokered the text, the US, China, India, South Africa, Brazil and the EU, also reflects a world in which the balance of power has significantly changed in the last 20 years. At a fundamental

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WE HAVE BEEN USING A ROLLY POLLY DEVICE IN OUR SCHOOL TO MANAGE WASTE IN THE SCHOOL FOR MAKING BIO-MANURE FOR USING IN THE SCHOOL GARDEN.

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Being a good driver is no more the sole criterion for getting a driving license… at least not in Britain. One has to show that he or she can be environment-friendly too by simply using fuel effectively. The British government has declared that from now fuel efficiency of teh vehicle would be made part of the driving test to help reduce polluting emissions, and to save money on energy bills.

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Indian scientists have created an ‘agricultural Wikipedia’ to act as an online repository of agricultural information in the country. It would disseminate crop and region-specific information to researchers, students, farmers and agricultural extension workers, who share the knowledge with farmers. The site also has blogs and other platforms. The website currently contains information on nine

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Japan has launched the world’s first greenhouse gas monitoring satellite into space. It is called Ibuki, which means ‘breath’. It will circle the planet every 100 minutes, gathering data to be shared with space and scientific organisations. It has three major mission objectives – to monitor the density of greenhouse gases precisely and frequently; to study the absorption and emission levels of

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Cow has been a part and parcel of our life since the time immemorial. In Gurukul Cow Shed, cows of high yielding breed are reared and their urine and dung are used for the preparation of so many medicines. All kinds of stomach related disorders are cured through the excreta of cow. Here soaps are also made by using cow urine which are very beneficial in skin related infections

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Kolam is a form of sandpainting that is drawn using rice powder by female members of the family in front of their home. It is widely practised by Hindus in South India. A Kolam is a sort of painted prayer — a line drawing composed of curved loops, drawn around a grid pattern of dots.Kolams are thought to bestow prosperity to homes. Every morning in southern India, millions of women draw kolams on

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Indian women dry cow dung cakes for use as cooking fuel in Phoolpur village, about 45 kilometers (28 miles) east of Allahabad, India, Sunday, June 8, 2008.

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Improvement of methanogenesis from cow dung and poultry litter waste digesters by addition of iron Journal World Journal of Microbiology and Biotechnology Publisher Springer Netherlands When 50mM FeSO4 was added to cow dung and poultry litter waste which had been processed in daily-fed batch digesters, digesters subsequently unfed showed a faster conversion of substrate and overloaded digesters

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Increased production of biogas from cowdung by adding other agricultural waste materialsR. D. Laura, M. A. Idnani Division of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute, New Delhi, India Abstract It was found that the addition of nitrogenous materials, such as casein, urea or urine, increased the extem of decomposition of cowdung, resulting in higher gas

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Eco Sustainability ! wow!

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We’ve covered the value of worm poop, and now it’s time for the merits of cow dung to come to the fore. EcoFaeBrick turns cattle waste into bricks that are greener, stronger and 20% lighter than regular clay bricks.The Indonesian organization was set up earlier this year to tackle the problem of excessive waste in farming areas. From this, the ecological and economical solution of the Cow Dung

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A NEWSLETTER FOR YOUR REFERENCESiba Mohanty First Published : 08 Nov 2008 01:59:00 AM ISTLast Updated : 11 Nov 2008 01:17:53 AM ISTA silent revolution is taking place in Orissa to reduce greenhouse gas emissions. While policymakers and energy strategists are harping on the need to tap wind, solar, biomass and hydel power to meet the energy needs of India, this eastern state is going back to the

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Enclose a volume of cow patties and urine add enough water to cover, Stir and stir till you make a creamy mixture. Put on a tight lid with a pipe screwed to the lid some where, attach a hose to the pipe, add a valve, and the other end of the hose going to an inner tube, add warmth and Presto three to fourteen days later the cow pies are magically transformed to BIO GAS. Suitable for cooking, or

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1. Fuel - cow dung patties (gootte) for cooking 2. Fertilizer - composting makes it even more powerful 3. Heat source - cow dung is naturally hot -compost makes hotter put in glass house to heat glass house or run pipes thru it to get hot water. 3. Purifier - natural antiseptic qualities 4. Floor coating - used mixed with mud and water on floors in mud houses. Improves water absorption of mud.

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UsesIn many parts of the developing world, cow dung is used as a fertilizer and fuel. Caked and dried cow dung is used as a fuel to cook food in many parts of Asia and Africa.In recent times, the dung is collected and used to produce biogas to generate electricity and heat. The gas is a rich source of methane and is used in rural areas of India and elsewhere to provide a renewable and stable

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Cow dung is the waste of bovine animal species. These species include domestic cattle ("cows"), bison ("buffalo"), yak and water buffalo. Cow dung is the undigested residue of herbivorous matter which has passed through the animal's gut. The resultant faecal matter is rich in minerals. Colour ranges from greenish to blackish, often darkening in colour soon after exposure to air.

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ANYTHING THAT OCCUPIIES SPACE AND HAS MASS IS MATTER.MATTER ----- THE FIRST WORD IN THE LANGUAGE OF CHEMISTRY.ANYTHING THAT WE SEE, TOUCH OR FEEL IS CALLED MATTER.THE BONES AND FLESH OF YOUR BODY IS CALLED MATTER.THE FABRIC OF YOUR CLOTHES IS MATTER.THE FOOD YOU EAT IS MATTER.THE WATER YOU DRINK IS MATTER.THE AIR YOU BREATHE IS MATTER.WHAT IS NOT MATTER?THINGS WHICH DON’T HAVE WEIGHT AND DON’T

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All class VI students are to do the food chart making activity!RECORD YOUR STATE OF HEALTH IN YOUR NOTEBOOK.PREPARE A FOOD CHART FOR YOURSELF ACCORDING TO THE CLASSROOM DISCUSSION AND STICK TO THE SAME FOR AT LEAST ONE WEEK.RECORD YOUR STATE OF HEALTH AFTER ONE WEEK AGAIN IN YOUR NOTEBOOK.COMPARE THE 2 STATES OF YOUR HEALTH.WHAT DO YOU INFER FROM THIS?BALANCED DIET IS THE KEY TO A WONDERFUL STATE

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Listen to the Exhortation of the Dawn!Look to this Day!For it is Life, the very Life of Life.In its brief course lie all the Verities and Realities of our Existence.The Bliss of Growth,The Glory of Action,The Splendor of Beauty;For Yesterday is but a Dream,And To-morrow is only a Vision;But To-day well lived makes Every Yesterday a Dream of Happiness,And every Tomorrow a Vision of Hope.Look well

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The Moon's Two ShadowsAn eclipse of the Sun (or solar eclipse) can only occur at New Moon when the Moon passes between Earth and Sun. If the Moon's shadow happens to fall upon Earth's surface at that time, we see some portion of the Sun's disk covered or 'eclipsed' by the Moon. Since New Moon occurs every 29 1/2 days, you might think that we should have a solar eclipse about once a month.

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The Moon's Two ShadowsAn eclipse of the Sun (or solar eclipse) can only occur at New Moon when the Moon passes between Earth and Sun. If the Moon's shadow happens to fall upon Earth's surface at that time, we see some portion of the Sun's disk covered or 'eclipsed' by the Moon. Since New Moon occurs every 29 1/2 days, you might think that we should have a solar eclipse about once a month.

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The product of mass (m) and acceleration (a). Newton's law of acceleration is used to derive the units of force. With the formula F = Ma in the SI system, one newton is the force needed to accelerate one kilogram of mass by one metre per square second.

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One of the basic measuring blocks for energy is called a Btu or British thermal unit. Btu is defined as the amount of heat energy it takes to raise the temperature of 1 pound of water by 1 degree Fahrenheit, at sea level. One Btu equals about one black-tip kitchen match. It takes about 2000 Btu to make a pot of coffee.Energy can also be measured in joules (pronounced the same way as ‘ jewels’).

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Due to the problems associated with the use of fossil fuels, alternative sources of energy have become important and relevant in today’s world. These sources, such as the sun and wind, can never be exhausted and are therefore called renewable. Also known as non-conventional sources of energy, they cause less emission and are available locally. Their use can significantly reduce chemical,

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The discovery of fire by man led to the possibility of burning wood for cooking and heating thereby using energy. For several thousand years human energy demands were met only by renewable energy sources—sun, biomass (wood, leaves, twigs), hydel (water) and wind power.As early as 4000–3500 BC, the first sailing ships and windmills were developed harnessing wind energy. With the use of hydropower

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Can you imagine life without lights, fans, cars, computers and television, or of fetching water from the well and river? This is what life would have been like had man not discovered the uses of energy – both renewable and nonrenewable sources. What is energy ?Energy lights our cities, powers our vehicles, and runs machinery in factories. It warms and cools our homes, cooks our food, plays our

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StatementA book falls off a table and free falls to the ground.Answer with ExplanationYes. This is an example of work. There is a force (gravity) which acts on the book which causes it to be displaced in a downward direction (i.e., "fall").

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StatementA teacher applies a force to a wall and becomes exhausted. Answer with ExplanationThis is not an example of work. The wall is not displaced. A force must cause a displacement in order for work to be done.

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When a force acts upon an object to cause a displacement of the object, it is said that work was done upon the object. There are three key ingredients to work - force, displacement, and cause. In order for a force to qualify as having done work on an object, there must be a displacement and the force must cause the displacement. There are several good examples of work which can be observed in

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The three fundamental particles comprising most atoms are called protons, neutrons and electrons. Whilst the majority of atoms have a combination of protons, neutrons, and electrons, not all atoms have neutrons; an example is the protium isotope (1H1) of hydrogen (Hydrogen-1) which is the lightest and most common form of hydrogen which only has one proton and one electron. Atoms are far too small

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