A science journal by Upali Salpadoru 

Recent Science Articles

  • Exam questions answered. CHEMISTRYExam questions answered.Q. 1. Explain why Al and S have diferent charges.a. Include e- arrangement for both.b. Relate the charges to the position of atoms in ...
    Posted by Upali Salpadoru
  • Speed.           All three are speeding.           They have different speeds. Some move slowly ,the falcon moves fastest. We can describe a speed as slow or fast but in science we have to ...
    Posted Aug 7, 2019, 12:08 PM by Upali Salpadoru
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Recent Physics Articles

  • Understanding Space and Universe.  50Courtsey: National Geographic. A dictionary defines space as “a continuous area or expanse which is free\, available, or unoccupied. ” Where do you get any space which does not contain ...
    Posted Jun 24, 2019, 12:11 AM by Upali Salpadoru
  • විද්යුත් ශක්තිය.    1.විදුලි ශක්තිය‍ෙන් ධාවනය වන රියක්. අනෙ කුත් බලවත් ශක්ති විශේෂයන් මෙන්ම විදුලිය ද ...
    Posted Jul 25, 2018, 3:28 PM by Upali Salpadoru
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Recent Biographies

  • Scientists- Living. 1. Dr. Ashoke Sen. Birth 1956 India       He won, what is considered as the ‘Russian Nobel prize for physics, nominated by Stephen Hawkins. His work on string theory, a highly ...
    Posted Jul 19, 2018, 9:17 PM by Upali Salpadoru
  • Scientists - modern. Text Colour code.Green:- Contributions to society.Red:- Appreciations by the society and achievements.Yellow :- Carefully note.Blue:- Click for more. Sir Timothy Berners-Lee 1955- He found the "World ...
    Posted Jul 29, 2019, 9:32 PM by Upali Salpadoru
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සිංහල

  • සැදෑ සිරිය. සුසිනුදු ලොම් රොදක් ව ගේසුවදැති අත් දෙක ඔබගේකළනියෙ දැන්තියන්න මා නලල් තලේ. ඉහලින් අ ...
    Posted Feb 18, 2017, 11:33 AM by Upali Salpadoru
  • මැලේරියා මැලේරියා හිසේ අැම්ම මට තියෙනවඅැග පත සේරම රිදෙනවඅැස්ප්‍රින් ඩිස්ප්‍රින් ගන්නවඑ ...
    Posted Feb 20, 2017, 10:15 AM by Upali Salpadoru
  • දුර කථන ඇමතුම. ගැල ප‍ෙන කුලිය‍ෙකි.කම් නැතිය  පිහිටීම.මැතිණිය දිවිරා කී වේ යාන්තමට යැප ...
    Posted Feb 14, 2017, 4:23 PM by Upali Salpadoru
  • එන්න සොදුරිය පාරෙන් ඉවතට. එපිළි රෑ සදනා වීදියෙ කැඩපත්මිනිස් වර්ගයා බේද කරයි.        එන්න සොදුරිය පාරෙන් ඉවතටමා ග ...
    Posted Feb 11, 2017, 2:52 PM by Upali Salpadoru
  • හදුනාගන්න 1. සුදුමුදු, හැඩ ඇති දග  කොල්ලාක්ලොරීන් මැණිකෙගෙ අත අල්ලාමුහුදෙන් මුහුදට ...
    Posted Feb 11, 2017, 10:53 AM by Upali Salpadoru
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Recent Biology Articles

  • Books- Extracts. Reviews and some contents. Head Strong   by Dave Asprey.Chapter 1.   Head start.Figure from Google.Dr. Paul Mac Lian introduced the Triune brain model in 1960.Reptile brain controls ...
    Posted Jul 1, 2019, 9:29 PM by Upali Salpadoru
  • Genetics-ll. HeredityPrior to the study of this lesson it is essential to be familiar with these terms. Trait:- This is a characteristic of an individual such as hair colour, or ...
    Posted Aug 27, 2016, 11:02 PM by Upali Salpadoru
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Recent Chemistry Articles

  • හැදිනිය හැකි ද ?  1. සුදුමුදු හැඩ දග  කොල්ලාක්ලොරීන් මැණිකෙගෙ අත අල්ලාමුහුදෙන් මුහුදට ප ...
    Posted Nov 8, 2017, 5:48 PM by Upali Salpadoru
  • Pure substances.    There are two forms of pure substances. They are elements and compounds.   Elements are made up of atoms or clusters of similar atoms. as shown on left.   Compounds are made ...
    Posted Jul 3, 2019, 12:52 PM by Upali Salpadoru
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Recent General Articles

  • Lesser known facts.       Can the Earth be squeezed?           Yes! It happens all the time.   We all know that the ocean water gets attracted  due to the attraction of the moon causing high tide ...
    Posted Aug 15, 2019, 9:45 PM by Upali Salpadoru
  • Birth and Death Birth and Death       Irrespective of nationality, race or creed, it is an inborn belief of the majority, that life starts with birth and ends in death. Of course some sects ...
    Posted May 24, 2019, 1:47 AM by Upali Salpadoru
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