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It's us

Class 3e1
Though we're small in numbers but we have big powers!
List of people

Bio assignment due on 27JAN
Name of people who had completed will be bold.

Allie ; April ; Crystal ; Denise ; Indira ; Saranya ; Sheryl ; Jesslyn ; Siauxin ; Yunji ; Huiming ; Ruelia ; Peizhen ; Dingheng ; Weesiang ; Zhengguang ; Weixhan ; Weikai ; Issac ; Fengye

P/S: Click on your name, your post will appear.



PICTURE PICTURE

First ever bio trip.






Linkage

Allie
Crystal
Sheryl
Jesslyn
Huiming
Lau Wee Siang


What happened?

January 2010
February 2010

Thanks

Blogskins.com
LSX


} The wonderful star!
Monday, January 25, 2010 @ 10:50 PM

Movement, excretion, respiration, irritability, growth, reproduction, adaptability and nutrition. Something which has all those characteristics is classified as a living thing while those which do not have all those characteristics are classified as non-living things. But not every living thing must have all those characteristics to be known as a living thing. A human in coma would not be moving so should we classify him as a non-living thing? It is still a living thing. Therefore, I am going to debate whether a star is a living or non-living thing.

Movement →The stars may look fixed, but that is an illusion of time and space. They are so far away the human eye alone cannot detect their motions on the sky. If we could reduce several million years of their motion to a minute's time, we would see many of the brighter ones racing across the sky like meteors. There really is no such thing as a fixed star.

Growth→ Stars expand as they grow old. As the core runs out of hydrogen and then helium, the core contacts and the outer layers expand, cool, and become less bright. This is a red giant or a red super giant (depending on the initial mass of the star). It will eventually collapse and explode. Its fate is determined by the original mass of the star; it will become either a black dwarf, neutron star, or black hole.

Respiration→ A star is born when an enormous cloud of hydrogen gas collapses until it is hot enough to burn nuclear fuel.Ionized gas (Stellar wind) is ejected from the surface of a star (including the Sun). Older (evolved) stars give off stronger stellar winds than younger stars.

Nutrition→ Stars are fueled by the nuclear fusion of hydrogen to form helium deep in their interiors. The outflow of energy from the central regions of the star provides the pressure necessary to keep the star from collapsing under its own weight, and the energy by which it shines.

A picture of the wonderful stars!










FACTS: OUR SUN IS A STAR!
Stars twinkle because the light we see coming from them travels through the atmosphere around the earth and there is turbulence in the earth's atmosphere.
The sky is beautiful!

Sources: Link1 , Link2 , Link3 , Link4

Done by : Ding Heng and I love the sky!