know these about world

1. Solar system:
2. Planets and the Sun.
3. Mercury.Venus.Earth. Mars. Saturn. Jupiter. Uranus. Neptune.
4. The above planets go round the Sun in their own time.
5. Orbit: Path of planet around Sun.
6. Sun is a star.
7. Stars are huge balls of very hot gases.
8. Stars twinkle at night.
9. Planets have no light of their own.can be seen only when the sunlight falls on them.
10. Find out planet closest to the Sun,the largest planet and smallest planet, coldest planet etc. in your spare time.
11. Orbit: Mercury travelling round the Sun 88 days
12. Earth 365 1/4 days Neptune 164 years.
13. Rotation:Earth rotates on its own axis .
14. Revolution: Movement of the planets going round the Sun.
15. Mercury and Venus hottest planets.because very near sun
16. Uranus .Neptune coldest planets.far from the Sun.
17. Earth: The ONLY planet getting correct amount of heat and light which makes life possible.
18. Pluto,(1930) Dwarf Planet.
19. Satellites: Smaller bodies moving in the orbit around the planet.
20. Saturn: 47 satellites.
21. Mercury/Venus -none
22. Earth. Only one satellite.....MOON.
23. Satellites . No light of their own, can be seen only when the
24. Sunlight falls on them.
25. Moon: Two fortnights. Sukla waxing Krishna waning 
26. Sukla /Krishna Paksha
27. Full moon.New moon.
28. Moon takes 28 days to travel around the earth.
29. When it comes between earth and Sun is it a full moon or a new moon??
30. Full face is seen then it is Full moon.
31. The Sun's light falls on the moon and reflects.
32. Moon seems to keep changing its shape due to light falling
33. on different parts of the moon
34. you can see a crescent shape too.
35. These are called the phases of the moon.
36. Man made satellites help him for communication and
37. forecasting and for scientific experiments.
38. Planets and Satellites have no light of their own.
39. Atlas: At last you have come to know what is an Atlas.
40. It is a book of maps.
41. Oceans are depicted in Blue colour.
42. http://en.wikipedia.org/wiki/Ocean
43. http://www.worldatlas.com/aatlas/infopage/oceans.htm
44. Oceans: large bodies of water. so also Seas.
45. large bodies of land. is a Continent.
46. Some oceans: Pacific/ Atlantic/Indian/ Arctic
47. Continents: North America, South America, Africa,
48. Europe, Australia and Asia  And Antarctica .(7)
49. http://en.wikipedia.org/wiki/Continent
50. http://www.7continentslist.com/
51. Islands: Sri lanka/ Australia.
52. Island continent: Australia.
53. Earth/land  is less than water.Water is more than land area.
54. Physical features : Rivers. hills, valleys, plains, plateau/x
55. mountains.
56. Mountains are shown in Brown colour.
57. http://en.wikipedia.org/wiki/List_of_mountain_ranges
58. http://en.wikipedia.org/wiki/List_of_highest_mountains
59. Where  are the Himalayas? In India or South America?
60. Where are the Andes? In South America or Europe?
61. Where are the Rockies? In North america or India?
62. Where are the Alps? In Europe or In India?
63. Deserts;
64. http://en.wikipedia.org/wiki/List_of_deserts_by_area
65. Sahara in Africa.Great Victoria in Australia.Arabian desert.Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia, United Arab Emirates andYemen
66. Gobi desert.China and Mongolia
67. Thar DesertIndia and Pakistan
68. http://www.factmonster.com/ipka/A0778851.html
69. http://www.mapsofworld.com/world-desert-map.htm
70. Rivers:
71. -http://www.mapsofworld.com/thematic-maps/world-river-map.html
72. http://en.wikipedia.org/wiki/List_of_rivers_by_length
73. Nile/Africa: Amazon/America: Yangtze/ China Mississippi.Missouri/America Huang he.yellow river/China
74. http://www.countries-ofthe-world.com/countries-of-north-america.html
75. countries in North America : United States of America,
76. Canada,Mexico,Guatemala
77. countries in Europe: France/ Germany/ United Kingdom/Spain.
78. http://en.wikipedia.org/wiki/List_of_European_countries_by_area
79. http://en.wikipedia.org/wiki/List_of_African_countries_by_population
80. Egypt/Sudan/ South Africa/ Nigeria
81. http://www.countries-ofthe-world.com/countries-of-asia.html
82. Afghanistan/ Japan/ China /Iran/ India
83. http://www.britannica.com/EBchecked/topic/632239/Volga-River
84. Hwang ho( yellow river)
85. http://en.wikipedia.org/wiki/List_of_rivers_of_Australia
86. Murrumbidgee River  Murray River   Flinders River