• September 9, 2024
  • Last Update August 31, 2024 4:41 am
  • Sri Lanka

What Is Velocity?

Because we calculate the speed in terms of distance, we do not consider the direction when we calculate the speed. Therefore, it must be clear to you by now, that…

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What Is Speed?

We frequently hear about accidents caused by vehicles moving at high speeds. Due to this reason, there are different regulatory speed limits assigned to different roadways. We should obey these…

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Motion in a straight line

Distance and displacementDistance is a concept familiar to you. When you go from home to school, you have to travel a certain distance. Sometimes, there can be several paths you…

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Water, Minerals and Vitamins

WaterThe highest proportion of the body mass of living organisms is composed of water which is an inorganic compound. Two third (2/3rd) of the body weight of most of organisms…

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Nucleic Acids – Chemical Basis of Life

Nucleic acid is the most important molecule out of the main bio molecules in living matter in genetical aspect. It is a linear polymer made up of large number of…

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Lipids – Chemical Basis of Life

Fats and oils belong to this group. Lipids which are solid at room temperature are called fats and liquids are called oils. Similar to carbohydrates, fats also contain Carbon, Hydrogen…

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Proteins – Chemical Basis of LifeProteins –

Protein is an essential constituent in all living cells. Carbon(C) Hydrogen (H), Oxygen (O) and Nitrogen (N) are always present in proteins. Sometimes Sulphurcan also be present. 17% of the…

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Chemical Basis of Life

The bodies of all organisms are composed of variety of chemical compounds. These chemical compounds are formed by the bonding of naturally existing elements in different ways.There are only about…

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