Makluman Program Sekolah Bulan April-Mei 2011
1. 23 April 2011 (Sabtu)
1. Hari Persekolahan Berganti Deepavali (2) D
2. Majlis Perlantikan Pengawas Sekolah/PSS, Ketua Ting. & DJ Radio
3. Majlis Perasmian Radio Wawasan FM
Catatan : Menggantikan 27 Okt. (Khamis) ,
Sesi pagi dan petang 7.30 pagi – 12.30 ptg
2. 6 Mei 2011 (Jumaat)
1. Majlis Anugerah Cemerlang
Catatan : Pelajar-pelajar tertentu sahaja
3. 7 Mei 2011 (Sabtu)
1. Hari Persekolahan Berganti Deepavali (3)
Catatan : Menggantikan 28 Okt (Jumaat)
Sesi pagi : 7.30 pagi – 12.30 t.h
Sesi ptg : 12.35 – 5.35 ptg
4. 9 – 25 Mei 2011
1. Peperiksaan Pertengahan Tahun
Catatan : Semua tingkatan
5. 28 Mei – 12 Jun 2011
1. Cuti Pertengahan Tahun
Interesting Mathematics trivia
1.A Palindrome Number is a number that reads the same backwards and forward, e.g. 13431.
2.A dollar can be made into small change in 293 ways. Sciensational.com
3.You can remember the value of Pi (3.1415926) by counting each word’s letters in “May I have a large container of coffee?”
4.Multiplication and succession:
1 × 8 + 1 = 9
12 × 8 + 2 = 98
123 × 8 + 3 = 987
and so on.
5. 142857 is a cyclic number, i.e., its digits are rotated around when multiplied by any number from 1 to 6. Like this:
6. 142857 × 1 = 142857
142857 × 5 = 7 14285
142857 × 4 = 57 1428
142857 × 6 = 857 142
142857 × 2 = 2857 14
142857 × 3 = 42857 1
7. 1089 multiplied by 9 gives an exact reverse: 9801.
8. From 0 to 1,000, the letter “A” only appears in 1,000 (“one thousand”).
9. 2 is called the “oddest” Even-Prime number. 2 is a unique Even-Prime because while all Evens are divisible by 2,
any number apart from 2 that is divisible by 2,is not a Prime.
10. 1 × 9 + 2 = 11
12 × 9 + 3 = 111
123 × 9 + 4 = 1111
… and so on.
11. 40 when written “forty” is the only number with letters in alphabetical order, while “one” is the only one with
letters in reverse order.
12. 1 googol = 10100;
1 googolplex = 10googol = 1010100 .
13. 111 111 111 x 111 111 111 = 12345678 9 87654321
14. Pi (3.14159…) is a number that cannot be written as a fraction.
15. The opposite sides of a dice cube always add up to seven.
16. 21978 when multiplied by 4 is the same number with digits in reverse order: 21978 x 4 = 87912
17. If you add up the numbers 1-100 consecutively (1+2+3+4+5…) the total is 5050.
18. The billionth digit of Pi is 9.
19. 1 and 2 are the only numbers where they are the values of the numbers of factors they have.
20. 2 and 5 are the only primes that end in 2 or 5.
21. The largest prime number is 9,808,358 digits long; more than the number of atoms in the universe.
22. The digits to the right of the Pi’s (3.141…) decimal point can keep going forever, and there is no pattern to these digits at all.
Interesting Physics trivia
1. Laser is an abbreviation of Light Amplification by Stimulated Emission of Radiation.
2. At 25, Physicist Lawrence Bragg is the youngest person to receive a Nobel Prize.
3. Atom is over 99.9% empty space.
4. The most powerful lasers are made with Neodymium-doped Yttrium crystals. In a fraction of a second, they produce more power than the whole United States.
5. Sunlight exerts pressure (solar radiation pressure).
6. The effect of Relativity made Astronaut Sergei Avdeyev a fraction of a second younger upon his return to Earth after 747 days in space.
7. The Dead Sea is so dense with salt, you can easily float on it without drowning.
8. Lake Baikal in Russia contains more water than all the North American Great Lakes combined.
9. The world’s densest wood, the Black Ironwood (Olea laurifolia), does not float on water and therefore sinks.
10. The mass of our entire atmosphere is estimated to be some 5.5 quadrillion tons (55 followed by 14 zeros).
11. The diameter of a proton is approximately 0.000000000001 mm (1/25,000,000,000,000 inch).
12. You can convert graphite into diamond by applying a temperature of 3000 Celsius and pressure of 100,000 atm.
13. The amount of water beneath our ground soil is 50 times as much as all the water in the rivers and lakes combined.
14. The first ten feet of the ocean hold as much heat as the Earth’s entire atmosphere.
15. The lightning bolt is 3 times hotter than the sun.
16. On average, our bodies constantly resist an atmospheric pressure of about 1 kilogram per square cm.
17. The deepest location on Earth is Mariana Trench, about 11km deep in the North Pacific ocean.
17. The bark of the redwood tree is fireproof.
18. If Mount Everest were placed at the bottom of the deepest part of the ocean, its peak would still be a mile underwater.
19. If given the same mass, our body would actually be hotter than the sun.
20. Many physicists believe wormholes (a “shortcut” through space and time) exist all around us but they are smaller than atoms.
21. A solar panel 100 miles by 100 miles (161x161km) in the Mojave Desert (USA) could replace all the coal now burned to generate electricity in the entire U.S.
22. The Atlantic Ocean grows at about the same rate as your fingernails.
23. If you yelled for 8 years, 7 months and 6 days, you would have produced just enough sound energy to heat up one cup of coffee.
24. The average ice berg weighs 20,000,000 tons.
25. Lightning strikes about 6,000 times per minute on our planet.
26. A gallon of water weighs 8.34 pounds (3.8kg).
27. If an item moves very, very fast, it becomes smaller and heavier.
28. Minus 40 degrees Celsius is exactly the same temperature as minus 40 degrees Fahrenheit.
29. The only rock that floats in water is pumice.
30. Mexico City is sinking at a rate of 18 inches (46cm) per year as a result of draining water.
31. 1 inch (25mm) of rain water is equivalent to 15 inches (381mm) of dry, powdery snow. Sciensational.com
32. The oldest and largest clearly visible meteorite crater site in the world is The Vredefort Dome in Free State, South Africa. It is 380km across.
33. The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 16.6 meters (54 ft.)
34. The temperature in fahrenheit can be determined by counting the number of cricket chirps in 14 seconds and adding 40.
35. The average ocean floor is about 3,600 meters deep (12000ft).
36. Sunlight can penetrate clean ocean water to a depth of 73 meters (240ft.)
37. The North Atlantic gets 2.5 centimetres (1in) wider every year.
38. Hawaii is moving toward Japan 10 centimetres (4 inches) every year.
39. Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
Interesting Chemistry trivia
1. The coldest state of matter — Bose-Einstein Condensate superfluid — defies gravity and instead of flowing down, it flows upward.
2. The element Californium is often called the most expensive substance in the world (as much as $68 million for one gram.)
3. Aluminium is the most common metal in the Earth’s crust (8 percent of its weight.)
4. Unlike any other element, helium does not solidify.
5. Hot water freezes faster than cold water (the Mpemba effect.)
6. Astatine is the rarest element on Earth (approx 28g in the Earth’s entire crust.)
7. The five states of matter are: Plasmas, Gases, Liquids, Solids and Bose-Einstein Condensates.
8. Chalk is made of trillions of microscopic skeleton fossils of plankton (a tiny sea creature.)
9. A bucket full of water contains more atoms than there are bucketfuls of water in the Atlantic Ocean.
10. A rubber tire is actually one single giant molecule.
11. Dynamite contains peanuts as an ingredient.
12. Talc is the softest known substance.
13. Gallium is a metal which melts on palm of the hand, due to its low melting point (29.76 °C).
14. Twenty percent of Earth’s oxygen is produced by the Amazon forest.
15. The noble gas Xenon lasers can cut through materials that are so tough even diamond tipped blades will not cut.
16. Gold and Copper are the only two non-white metals.
17. The burning sensation we get from chilli peppers is because of a chemical called Capsaicin.
18. The lighter was invented before the match (in 1816 by J.W. Dobereiner).
19. Each time lightning strikes, some Ozone gas is produced, thus strengthening the Ozone Layer in the Earth’s atmosphere.
20. Honey does not spoil.
21. There’s enough gold in the Earth’s crust to cover the entire land surface knee-deep.
22. An average adult body contains around 250g (1/2lb) of salt.
23. The metal with the highest melting point is tungsten, at 3410 degrees Celcius (6170F).
24. One inch (2.5cm) of rain is equal to 10 inches (25cm) of snow.
25. Mosquitoes like the scent of estrogen, hence, women get bitten by mosquitoes more often than men do.
26. An ounce of gold can be stretched into a wire 80 kms (50 miles) long.
27. Natural gas has no odour. The smell is added artificially so that leaks can be detected.
28. Air becomes liquid at about minus 190 degrees Celsius.
29. Mercury is the only metal that is liquid at room temperature.
30. Absolutely pure gold is so soft that it can be moulded with the hands.
31. Water expands by about 10% as it freezes.
32. It is estimated that a plastic container can resist decomposition for as long as 50,000 years. Sciensational.com
33. If you slowly pour a handful of salt into a totally full glass of water it will not overflow. In fact, the water level will go down.
34. Hydrogen gas is the least dense substance.
35. Liquid air looks like water with a bluish tint.
36. Hydrogen is the most abundant element in the Universe (75%).
37. Oxygen is the most abundant element in the Earth’s crust, waters, and atmosphere (about 49.5%)
38. The only letter not appearing on the Periodic Table is the letter J.
39. Hydrofluoric acid will dissolve glass.
40. A bee sting is acidic and a wasp sting is alkali. To treat a sting by one of these you should use the opposite type of chemical.
41. The amount of carbon in the human body is enough to fill about 9,000 ‘lead’ pencils.