pob Categori

Nwy heliwm

Mae nwy heliwm mor cŵl, a gall wneud cymaint o wahanol bethau. Gadewch i ni ddysgu ychydig mwy am y nwy arbennig hwn gyda phum adran sy'n esbonio beth yw heliwm, o ble mae'n dod, a pha mor bwysig ydyw. O ble mae heliwm yn dod? Mae nwy heliwm yn fath o nwy na allwn ei weld na'i arogli. Mae'n ysgafn iawn ac mae ganddo lawer o briodweddau unigryw.

Hanes

Way back in 1868, a French scientist named Jules Janssen found helium in the sun. After this great discovery, people began to find helium in rocks and pure gas on Earth. But where does all that helium come from? Well, helium is formed. It drifts into a gas when certain things in rocks break down. This mainly happens when rocks composed of uranium and thorium decay over millions of years. Whenever these substances split, they emit tiny particles called alpha particles.  AGEM Heliwm is quite small, and they combine with electrons, which are even tinier, to form helium atoms. 

Pam dewis nwy Heliwm AGEM?

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