|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Challenge Entry Results
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
|
||||||
‹‹ Previous 1 2 3 Next ›› | ||||||
Comments on challenge 'Quiz: 'Science''
 |
 Posted
Jan-9-2010
by
Starskyhutch69 |
|
| 1.The Sun generates its energy by nuclear fission of hydrogen nuclei into helium. False, Nuclear Fusion 2.There are nine planets in our solar system False, Pluto is no longer considered planet. 3.How many tons of Hydrogen does the sun consume every second? 700 million 4.Approximately how old is the Sun? 4.5 billion years 5.By the strictest definition, this is the largest desert in the world. Antarctica 6.Alpha Centauri is the closest star to Earth. False, the Sun is. 7.The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. True 8.Approximately how fast does the Space Shuttle need to go to achieve orbit? 18,000 mph 9.Every element in your body once resided inside a star. True 10.There is no water on the moon. False | ||
 (0) |
||
 |
Posted
Jan-6-2010
by
gamer |
|
| nice quiz! | ||
| (0) |
||