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In modern English, there are three cases of nouns; nominative, objective or accusative, and possessive case. Some people also consider dative and vocative cases of nouns in English grammar, but they are obsolete. Nominative...
As per the law of conservation of energy, the quantity of energy in this universe remains constant. It means we can neither create energy nor destroy it. However, we can change energy from one...
The word ‘gender’ in English grammar has been derived from the Latin ‘genus’ which means ‘kind’ or ‘sort’. Therefore, in English grammar, we use gender as a noun that denotes either the male or...
Equinox and Solstice are the two effects of the revolution of the earth. The equinoxes are those dates when the nights and days are equal. Whereas, the solstice is the time of the year...
We derive the word ‘meristematic’ or ‘meristem’ from the Greek word ‘meristos’, which means ‘divide’. Therefore, meristematic plant tissues are made of actively dividing cells. The cells, which form meristematic tissue can multiply and...
Distance and Displacement Distance and displacement are two physical quantities that are associated with the measurement of length. Kids often use them interchangeably, but only a few of them know that there is a...
The terms ‘work‘ and ‘energy‘ used in physics are not the same as we use in our day-to-day life. In our daily routine, we carry out two types of work – physical work and...
Scalar and Vector Quantities A quantity that can be measured is a physical quantity. They are of two types – (i) scalar quantities or scalars, and (ii) vector quantities or vectors. Scalar quantities are...
echanical energy is of two types – potential and kinetic energy. The kinetic energy of the body is due to the virtue of its state in motion, whereas potential energy is the stored-up energy...
In chemistry, all types of changes can broadly be classified into physical and chemical changes. In this post, we will learn about the difference in physical and chemical change with examples- The characteristics of...
