SCIENCE BLOG – COAL AND PETROLEUM INTRODUCTION Here about some exhaustible natural resource like natural gas, coal and petroleum will be discussed, which are also called non-renewable sources of energy .This is because when all the natural gas coal and petroleum present under the earth will get used up, no more supply of these will …
COAL AND PETROLEUM: FREE ENERGY FOUND IN IT-SCIENCE BLOG Read More »
COMBUSTION AND FLAME INTRODUCTION A chemical process in which a substance reacts with oxygen to give off heat terms as combustion. In combustion and flame we come to know that the substance that undergoes combustion is we know as combustible. It is also called fuel which can …
STATEMENT OF PYTHAGORAS THEOREM INTRODUCTION A Greek philosopher of sixth century B.C. named Pythagoras discovered a very important and useful property of right-angled triangles, named Pythagoras property. In a right-angled triangle, the sides have special names. The side opposite to the right angle is called the hypotenuse. (Pythagoras Theorem ) The …
STATEMENT OF PYTHAGORAS THEOREM: FREE DRAWING OF IT Read More »
WHO DISCOVER CELL AND HOW INTRODUCTION: A cell is a microscopic or very small substance. It is the smallest part of the body of an organism capable of independent existence in who discover cell and how. All new cells arise as a result of division of pre-existing cells. All living beings start their life as …
WHO DISCOVER CELL AND HOW: INSTANT ENERGY RELEASED BY IT Read More »
PLANT LIFE VERY SHORT TYPE QUESTION 1) Name two plants which grow new plants from leaf. Ans. Bryophyllum and Begonia. 2) What is complete flower? Ans. A flower having all four whorls is called complete flower. 3) What is thalamus? Ans. Swollen base of flower is called thalamus. 4) What is unisexual flower? Ans. Flower …
HUMAN DIGEST The food we consume contains highly complex substances like proteins, carbohydrates and fats. These substances must be broken down into simpler soluble nutrient forms which terms as human digest. These substances can be easily absorbed by blood and transported to various parts of our body. A. VERY SHORT TYPE QUESTION ON HUMAN DIGEST Write the …
HUMAN DIGEST: QUESTIONS AND ANSWERS WHICH ARE USEFUL Read More »
WORK ENERGY AND POWER INTRODUCTION: Here we will study and get idea about scientific conception of work energy and power along with vivid question answer. . (A) Very short type question on work energy and power 1) Name another term of energy of configuration. Ans. P.E.and mutual energy. 2) What is the SI unit of energy? …
SIGNIFICANCE OF PHOTOSYNTHESIS INTRODUCTION: Each living cell in every living organism needs energy. Energy is needed to drive the chemical reactions in the cell. It is needed for all metabolic processes: building up new molecules for growth, breaking down unwanted molecules, bringing about movement, etc. the chemical process by which energy is released from glucose …
SIGNIFICANCE OF PHOTOSYNTHESIS: EXPERIMENT ABOUT ITS Read More »
PROFIT AND LOSS QUESTIONS When a shopkeeper buys his goods from a manufacturer or a distributor, then seller sells goods with higher price to make profit. The shopkeeper also gains some money by selling his goods to us. If he sells his goods at a lower …
PROFIT AND LOSS QUESTIONS: HOW TO CALCULATE PROBLEMS Read More »