Why do my pupils change size?
How powerful is the human eye? The eyes are one of the most fascinating as well as the most complex parts of our body. Our…
How powerful is the human eye? The eyes are one of the most fascinating as well as the most complex parts of our body. Our…
Light travels along a straight line. The speed of the light is 3*10 to the power 8 m/s. When light falls on a smooth/shiny surface…
Electric cell An electric cell has two lines. One is shorter and the other line is longer. The longer line represents the positive terminal. The…
We know that motion is a phenomenon which changes it’s position over time and that it is of 4 types:- Rectilinear Motion, Circular Motion, Rotational…
Reproduction is the formation of offspring from parents. It is a basic character of a living being, both plants and animals. Reproduction can be various…
Organisms need food, water and oxygen for survival that has to be transported throughout the body, both in an animal or a plant. Not only…
Energy is needed by living as well as non-living things to do work. Without energy, they stop doing work. Our body needs the energy to…
In our everyday surroundings, we encounter or witness so many activities which involve change. These changes may include one or more than one object. The…
Heat meaning and functions Heat is a motion of warm which can be dangerous but useful at the same time. Heating is the process in…
Acids: Acids are those substances which gives H+ inside a solution. Ph 1 to Ph 3 are considered as Strong Acids. Ph 4 to Ph…