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HOTS Study Materials for Class X and XII


XII Study Materials (HOTS)-All Subjects


X Study Materials (HOTS)-All Subjects


Courtesy: ZIET Mysore

Filed under: Downloads, , ,

Swine Flu India: Website of the Week


This website has an interesting story behind its creation.

For India centric information on the latest pandemic “Swine Flue” it is a must visit.

Congrats the young minds behind the screen.

Filed under: Website of the week, , , ,

Harry Potter Birthday Celebration: Competition Results

Competition on writing story idea for

 the NEXT Harry Potter Book




Name, Class & Div



Salini Johnson,  XI A



Diwas  Mehta,  IX A



Nima K. Saji,  VIII C


Writing Birthday wishes to

Harry Potter competition

(3-5/ 08/2009)



Name, Class & Div



Mahima, Renjini , Neethu, IX C



Ayisha Sahu, VI C



Salini Johnson, XI A



Goutham B, X B



Goyathri XI A



Filed under: Winners of library competitions

Swine Flu: Guidelines for schools and colleges by Ministry of Health and Family welfare

Ministry of Health & family welfare has issued guidelines for schools and colleges mainly in Mumbai, Pune, Maharashtra and Delhi after the recent outbreak of swine flu H1N1 virus

Government of India
Ministry of Health & Family Welfare
Directorate General of Health Services
(Emergency Medical Relief)


There have been some cases of Influenza A H1N1 virus among students and staff in certain schools, primarily in Delhi,Mumbai, Pune and other parts of Maharashtra. There has been considerable speculation over the need for closure of schools to control the outbreak. This matter has been considered by the Joint Monitoring Group in the Ministry of Health and Family Welfare. All schools and colleges are advised to observe the following guidelines for managing cases of infection of Influenza AH1N1.

(i) Any student or staff member showing flu like symptoms such as fever, cough, running nose and difficulty in breathing should be allowed to stay at home for a period of 7 to 10 days.

(ii) Educational institutions should not insist on production of medical certificate by the student/staff.

(iii) Educational institutions should monitor the health status of such students/staff who might have come in contact with a suspected case of Influenza AH1N1 to see whether they develop flu like symptoms. In case they do so, they should be allowed to stay home, as outlined at (i) above

(iv) In case of students staying in Hostels, the educational institutions would not only monitor the health status of the students, but also that of care providers. It has to be ensured that the care providers wear face mask and wash hands regularly. It might not be advisable to send the boarders back to home, as it would spread infection further.

(v) Educational institutions are further encouraged to report such cases to local health officers for further monitoring.

(vi) Given the current magnitude of the spread of AH1N1 infection and the fact that the current virus is fairly mild, closure of educational institutions on account of any student/staff member falling ill with flu like symptoms is not recommended.

(vii) In the first place, the schools should discourage the excursions of the students to the affected countries.

(viii) In case if the students had proceeded to affected countries on unavoidable tours, then on their return, if some students show flu like symptoms of fever, sore- throat , cough , body ache, running nose, difficulty breathing etc. they should be advised to abstain from attending school and be allowed to stay at home for a period of 7 to 10 days.

Courtesy:Ministry of Health & Family Welfare

Symptoms of Swine Flu

The symptoms of swine flu are usually like those of regular seasonal flu and include:

  • headache
  • chills
  • cough
  • fever
  • loss of appetite
  • aches
  • fatigue
  • runny nose
  • sneezing
  • watery eyes
  • throat irritation
  • nausea and vomiting
  • diarrhea
  • in people with chronic conditions, pneumonia may develop


Precautions Against Swine Flu

Good standard flu prevention techniques are recommended to protect yourself against swine flu:

  • Get a regular seasonal flu vaccination. It might not help against this specific strain, but it won’t hurt.
  • Wash your hands frequently with soap and hot running water. If hot water is not available, use an alcohol-based hand gel.
  • When you cough and sneeze, cover your mouth and nose. Wash your hands afterwards.
  • Avoid being near others who might be sick.
  • Stay home if you are sick, to avoid affecting others.
Precautions for Travelers
  • Before you travel, find out what vaccines you will need and where to get them. Visit your family doctor or a travel health clinic at least six weeks before your departure date.
  • If you get sick when you are travelling, seek medical assistance.
  • If you are sick when you return to Canada, or have been near someone who is, you must tell a customs or quarantine office, who will decide if you need further medical assessment.
  • If you get sick after you return to Canada, see a health care provider. Be sure to tell him/her the countries you visited, if you were sick while away and any medical care or treatment your received.

Preparing for a Flu Pandemic

What a Flu Pandemic Means to You

By Kristina Duda, R.N.,

Updated: July 13, 2009

Do you know what to do in the case of a flu pandemic? Most people alive today have never seen a true global outbreak of a disease like the flu. The last major flu pandemic was in 1918, and it killed millions of people. While the thought of that seems pretty much incomprehensible today, it could still happen.

While getting a flu shot every year is a great way to prevent the flu, it may not help in a flu pandemic situation. When a pandemic occurs, the strain of flu will be severe and spread rapidly. It may be difficult to produce a vaccine for that particular strain quickly enough to immunize people against it. That is why it is important to take other measures to protect ourselves against a flu pandemic.

Right now, the World Health Organization considers us to be in a Phase 6 pandemic alert level which means we are currently experiencing a worldwide pandemic. This particular pandemic is being cause by the novel H1N1 swine flu.

So what should we be doing? There are a few simple steps that we can all take to be sure we are prepared for a flu pandemic:

Keep clean
Washing your hands is the single best way to prevent the spread of any type of infection. Make sure you do it properly and often. Other simple ways to prevent the spread of infection include using a tissue when you cough or sneeze, and staying away from people who are sick. More Flu Prevention Tips

Stock up on supplies
There is a high likelihood that normal life could be disrupted in a true pandemic, so making sure you have a two-week supply of food, water and medical supplies for your family is important. In a true pandemic situation, many people could be sick, causing schools, businesses and public transportation to be closed or disrupted, limiting your ability to purchase new (and necessary) items.

Know your community’s plan
Many cities and communities, and even schools and businesses, have plans in place for a flu pandemic or other public health emergencies. Knowing the plan ahead of time helps everything run more smoothly and ensures you won’t be caught not knowing what to do in case of an emergency.

Although the possibility of a flu pandemic may be hard to imagine, it is a very real possibility and one we should prepare for. To learn more, the CDC has provided some great information about how to prepare for a flu pandemic and what your state is already doing.


Filed under: Snippets, , ,

Website of the week : Shashi Tharoor


Visit the website of the State Minister of External Affairs, MEA,Shashi Tharoor.

The website is enriched with Web 2.0 tools such as twitter and blog.

Contact details are also given.

Filed under: Website of the week

Space Junk


Junky Halo: This computer generated image from NASA shows the objects in low Earth orbit. Only about 5 percent of the objects are functional satellites; the rest are junk.

Earth is being engulfed in a dense cloud of hazardous debris that won’t stop growing.

By Fred Guterl | NEWSWEEK

Published Aug 1, 2009

From the magazine issue dated Aug 17, 2009

Cosmos 2251 was an ordinary satellite designed to transmit signals across the vast Russian landmass. Launched in 1993, it would appear every 90 minutes or so over the northern skies, relay electronic blips of information among a network of satellites and ground stations like a hockey player passing the puck, and disappear over the southern horizon.

Iridium 33, launched for Motorola in 1997, did something similar, though it took a slightly different orbit that brought it closest to Earth during its pass over North America. For years the two satellites circled the planet, minding their own business, never coming within a thousand kilometers of one another.

Then something happened to Cosmos. It may have sprung a small leak; perhaps it struck a tiny asteroid or a piece of debris. Nobody knows for sure, but for one reason or another, Cosmos drifted off course. T. S. Kelso, an aeronautics expert at Analytical Graphics, which provides satellite-tracking services to NASA, noticed that the orbits of Cosmos and Iridium were bringing the two satellites closer to each other all the time. In February he issued a warning that they would pass within a kilometer of one another. He was right. On Feb. 10, Motorola lost track of Iridium‘s signal. Over the next few days, Kelso and others surmised that what many had feared for years had finally come to pass: two intact satellites had collided head on.

The consequences go far beyond merely the loss of two pieces of property. Each satellite weighed more than half a metric ton and was moving at 7.5 kilometers per second. The resulting explosion was catastrophic, generating a massive cloud of cosmic debris—perhaps 100,000 pieces of junk bigger than one centimeter in diameter, estimates David Wright, a space expert at the Union of Concerned Scientists. In one stroke, the accident increased by nearly a third the number of stray objects in the crucial 700-to-900-kilometer band known as low Earth orbit (LEO). The junk cloud will eventually disperse around the entire planet, like a shroud.

The event served as a wake-up call to space planners. Insurance rates for the $18 billion worth of active commercial satellites now in orbit have ticked upwards by 10 to 20 percent since the accident. Governments, too, have grown to rely on networks of satellites to gather intelligence, direct weapons systems, forecast climate and weather changes, monitor agriculture, and operate communications and navigation systems. Experts calculate that debris will now strike one of the 900 active satellites in LEO every two or three years. For the first time, junk is the single biggest risk factor to equipment in some orbits. Among the orbital threats are two former Soviet nuclear reactors. Even the International Space Station may one day be at risk, as debris slowly descends to its 350-kilometer orbit.

Many experts now believe that even if all space littering were to stop completely, the number of stray objects would continue to increase for centuries. The reason: debris is now so dense that objects will continue to crash into each other, creating even more objects, expanding the rubbish cloud geometrically. "We’ve been saying for years that these things are going to happen," says Nicholas Johnson, head of NASA’s Orbital Debris Program Office. "Until they happen, it’s hard to get people’s interest."

NASA engineer Don Kessler predicted the current situation with uncanny accuracy back in 1978. At the time, rockets carrying astronauts or communications satellites would discard upper stages like empty beer cans, often without having completely burned up their fuel. Several rockets exploded spontaneously in orbit, with no immediate consequences except to add to the orbiting debris. Each time an astronaut lost a bolt or a wrench, the object would take its place in the debris cloud. The Soviet Union may have been the most egregious polluter. In the 1970s and ’80s, it launched 32 radar satellites, designed to track the positions of U.S. Navy ships, each powered by its own nuclear reactor.

Kessler ran the calculations, and the results came as a surprise. When one object slams into another, he found, they splinter into hundreds of pieces, each moving like a projectile at high speed. "Everybody had had this concept, probably from science fiction, of things floating together in space," he says. "People just hadn’t thought about it." By about 2000, he predicted, collisions between satellites would start to outpace other forms of space accidents.

To avert what came to be known in the trade as the Kessler Syndrome, NASA formed its Orbital Debris Program Office, made Kessler the head, and gave him a staff of 20 or so engineers and scientists to tackle the problem. The group, headquartered at the Johnson Space Center in Houston, led a quiet and successful effort to reform the more wasteful practices of spacefaring nations. Now, discarded rocket stages are routinely angled to disintegrate in the atmosphere, or at the very least they’re left with empty fuel tanks.

As Kessler and his team worked against the clock to slow the accumulation of debris, the cloud continued to expand. The Soviets tried ejecting the liquid metal at the cores of its nuclear satellites in the hope that the radioactive droplets would burn up harmlessly upon reentering the atmosphere; instead the liquid hardened into 100,000 or so metal balls, each too small to detect but big enough to cause significant damage to other satellites. In 1991, Cosmos 1934 hit a piece of junk that had previously broken off Cosmos 296. In 1996, France’s Cerise satellite struck a discarded Ariane rocket stage. Junk struck a U.S. weather satellite in 1997 and a Russian satellite in 2002. Discarded U.S. and Chinese rocket stages collided with each other in 2005. In 2007, in separate collisions, the Meteosat 8 weather satellite and NASA’s UARS satellite were knocked out of their orbits. Even so, for a while the total number of objects in the sky seemed to be leveling off, appearing to undermine Kessler’s forecasts, until the China incident.

China’s medium-range missile took off from its Xichang space center without incident on Jan. 11, 2007. It climbed to about 850 kilometers, the typical altitude of U.S. intelligence satellites (which is probably not a coincidence). The missile’s lower stages dropped away to burn up in the atmosphere, leaving the "kill vehicle" to continue on to its target: a defunct Feng Yun weather satellite.

The engineering was flawless. The missile blew the satellite to bits—2,500 of them, each larger than 10 centimeters, according to the experts who keep count. The explosion increased orbital debris in LEO by about 40 percent. What Beijing hoped would be an impressive display of military prowess instead made China the world’s biggest space litterbug. In one move it undid a decade of diplomatic progress in slowing the buildup of debris.

Even if the opprobrium heaped on China is enough to deter more anti-satellite missile tests, the future seems destined now to conform to the Kessler Syndrome, as the Iridium-Cosmos incident suggests. At present 750,000 pieces of man-made junk greater than one centimeter in diameter—about the size of a marble—are thought to be orbiting the planet. (If you include smaller objects, which can still cause damage because of their great speeds, the figure climbs to millions.) Half these objects can be found in LEO, which also contains about half the world’s active satellites.

The China debacle, followed by the Iridium-Cosmos crash, galvanized NASA, the European Space Agency, and the United Nations, which have since held meetings on what steps might be taken to curb collisions and protect satellites. Shielding a satellite’s delicate electronics might fend off some objects smaller than one centimeter, but it won’t work against bigger objects. A better option might be to give satellites the capability to steer, but that would require equipping them with additional fuel, making them a lot heavier and more expensive to launch. It would also require better tracking of space objects. The U.S. Space Surveillance Network currently uses a combination of radar and optical telescopes around the globe to keep tabs on objects greater than five to 10 centimeters, periodically updating the position of each one. Even so, it can manage only about 13,000 objects. And the dynamics of orbiting flotsam and jetsam are complicated; the calculations in predicting any collision are likely to be off by hundreds of meters. A satellite could use up a lot of fuel steering so wide a berth around a threatening hunk of junk.

Many engineers are beginning to think that the only way to reverse the Kessler Syndrome will be to start actively removing junk from orbit. There is no shortage of ideas for doing so. For small and medium-size objects, engineers are noodling the idea of building lasers with beams powerful enough to "push" objects into higher orbits, where they’re less likely to collide with satellites. (Eventually they’d come drifting back down, but that would be a problem for future generations.) One method to remove bigger, more threatening objects might be to send up some kind of spaceship to capture them one at a time and cart them to a lower orbit, where they would burn up harmlessly in the atmosphere. Another idea is to extend a tether from a space ship, grab hold of a piece of junk, and yank it down out of orbit. Either way, chasing down enough objects to make a difference would call for an enormous expenditure of rocket power. "Gravity," says Kelso, "is the big challenge." Until somebody finds a way to overcome that fundamental force, it looks as though we’re just going to have to put up with the accidents.

© 2009

Courtesy: NESWEEK


Filed under: Snippets

Independence Day Book Exhibition


Independence Day Book Exhibition

On Freedom struggle and freedom fighters
Date: 10-15 August 2009

Visit the library to meet the Great minds!

Filed under: Exhibitions,Displays,

Shadows across the playing field : 60 Years of India-Pakistan Cricket


Shadows across the playing field : 60 Years of India-Pakistan Cricket


Shashi Tharoor and Shaharyar Khan

As its title suggests, the book is all about cricket between the two neighbouring countries and knowing the two authors, there will be lots of vignettes and well, the odd “cricket is a bridge for peace” comment. Knowing the authors, we can also be sure of some brilliant writing. We are lining it up for review.

Cricket fans of the school is waiting for the book!!!!


Read a news item published on “Mid Day” here.

Shashi Tharoor’s romantic cricket journey

By: Clayton Murzello

Minister of State for External Affairs, Dr Shashi Tharoor’s cricketing journey has been a romantic one

DR Shashi Tharoor has not watched a cricket match in Pakistan, yet he has co-authored a book on India-Pakistan cricket. But not even a cynical view of this irony can prevent one from being convinced that the Minister of State for External Affairs is a cricket nut.
He has met the biggest of names during his travels as a diplomat, but his Friday meeting with present and former cricketers at the release function of his book Shadows Across the Playing Field was so memorable that it was quickly posted on Twitter.
During his chat with commentator Harsha Bhogle at the launch on Friday, Tharoor showed that he had a deep love for the willow game, developed in an era of simple dreams and pleasures. Unfortunately, his co-author Shaharyar Khan couldn’t make it to Mumbai; he wouldn’t miss the Ashes for anything.
In February 1967, Tharoor watched Ajit Wadekar flay a formidable Mysore team to score a Ranji Trophy triple-century at the Brabourne Stadium. Wadekar was among the audience on Friday.

Way back then
Tharoor proudly claimed that he wrote about Sachin Tendulkar in the late 1980s in the Club Cricketer magazine in England, after Sunil Gavaskar had talked to him about this young gun who could become a great. Tharoor told a few of us how he wrote that Gavaskar had led very poorly during the home series against David Gower’s Englishmen in 1984-85.
The editor of the magazine he was writing decided to amplify things after Tharoor filed in his "tough but fair" piece. The next issue rolled out with the headline: "OUT! Is Gavaskar the worst captain India’s ever had?" Naturally, it created a sense of apprehension when he came face to face with Gavaskar. After all, he did not write what the headline said. The name of the author just didn’t ring a bell, "it sprang", but Tharoor stressed Gavaskar took it sportingly.
If he admired Gavaskar "the cricketer, the batsman and the man", he regretted the lack of opportunities the talented Surinder Amarnath got. And his view that India would have made an effective one-day team had limited-overs cricket been played in the 1960s, is interesting.

Style and Kunderan
He loved Budhi Kunderan and remembered an incident during the 1964 Test against England in Mumbai. Kunderan followed up a six with a four, and then went for another big hit to be caught by John Price. As the fielder set himself for the catch, Kunderan threw his bat in the air, caught it and then straightaway headed to the pavilion. Some style that! Tharoor remembered it all, including how the England team members were laid low by illness. Hanumant Singh substituted for them and saved some runs near the boundary and was at the receiving end of a ‘traitor’ chant. Later in the series, Hanumant scored a hundred on debut to end Tharoor’s displeasure.

Now, the tough talk
As a minister now, he has to talk tough. When does he think India and Pakistan could resume cricketing ties?
Not until "Pakistan really gives us what we are repeatedly asking for: credible action to dismantle the infrastructure of terrorism from which these (November 2008) attacks were launched."
If and when things improve on either side of the border, the cricketing world can be assured that there will be a credible voice to help decide on when to switch to a "let’s play" mode.



Meet the Author


Filed under: Book of the week, , , ,

Cyber Quiz




1. Which telecommunications giant has picked up the wireless assets of bankrupt Nortel Networks for $1.13 billion?

2. In the context of 4G wireless technology, expand LTE.

3. In the context of Google, what is commonly called ‘Omaha’?

4. According to YouTube watchers, what is the number of YouTube video views per day: 403 million, 817 million or 1.2 billion?

5. Which cyber-giant has agreed to acquire the popular Xoopit?

6. Who has announced two open-source initiatives — Open Source Media Framework (to create sophisticated media players to run flash presentations) and Text Layout Framework (to help developers add advanced typography and font layouts to flash apps)?

7. Scott Thompson is the CEO of…?

8. Which browser-maker’s proprietary Web server service is called Unite?

9. What is the significance of the San Francisco Metreon mall in the Microsoft timeline?

10. Which online vendor’s shoe and handbag retail site is called


1. Ericsson

2. Long Term Evolution.

3. Google Update, the software installer and auto-updater for Windows.

4. 1.2 billion!

5. Yahoo!

6. Adobe

7. PayPal

8. Opera

9. It had the only Microsoft retail outlet to date, which closed in November 2001.

10. Amazon

More Stories on : Cyber Quest

Courtesy: V V Ramanan, Business Line

Filed under: YW-Cyber Quiz,

Quiz Time


1. In which U.S. city was President Barack Obama, celebrating his birthday on this date, born in 1961?

2. What has India’s first indigenously built nuclear-powered submarine been christened?

3. After which mythical bird is the most recent spacecraft to land successfully on Mars named?

4. The famous romantic poet who addressed the skylark as ‘Hail to thee, blithe Spirit!’ was born on this day. Name him/her.

5. Which planet was subjected to a vast cosmic collision that left a dark scar the size of the Earth on its surface recently?

6. Which Central Asian nation, in an ambitious plan to help plant life bloom and attract migratory birds, channelling water to a 770 square miles man-made lake in the Karakum Desert?

7. What do the initials C.S. stand for in C.S. Lewis?

8. What famous online site did Jeff Bezos found?

Photo : AFP

Happy Birthday : In which city was he born?

9. In the Donkey Kong series of video games, name the villain shaped like an obese anthropomorphic crocodilian.

10. In the context of cattle, what are rumen and omasum?

11. What weapon does the human in the Oscar statuette hold?

12. In air force slang, what is a ‘laundry bag’?

13. What is the first name of the literary butler Jeeves?

14. In which famous cricket ground would bowlers bowl from the Members End and Great Southern Stand End?


1. Honolulu
2. INS Arihant
3. Phoenix
4. Percy Bysshe Shelley
5. Jupiter
6. Turkmenistan
7. Clive Staples
9. King K. Rool
10. Two of the four compartments of the stomach
11. Sword
12. Parachute
13. Reginald
14. The Melbourne Cricket Ground.

Courtesy: V V Ramanan, The Hindu

Filed under: Young World Quiz,


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Reading 4 Pleasure School 2020 Award



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