Pure Substance in Chemistry – Definition and Examples
The definition of a pure substance in chemistry is not the same as that of what we use commonly. Most of the substances, in our daily life, which we assume as pure are not pure...
atoms
Different Forms of Energy in Physics and Examples
In Physics, we define . As per the law of conservation of energy, – however, it can be changed from one form to another. In this post, we will learn about the different forms...
Difference Between Mass And Weight | Kg vs Kgf
Mass and weight are two common science terms that people often mix up. Kids especially use them interchangeably without understanding that there is a difference between mass and weight. Yes, It’s true—mass and weight...
Who Discovered Electrons? – The Cathode Ray Experiment
J.J. Thomson, an English scientist, discovered electrons in 1897, challenging the long-held belief that atoms were indivisible. Before Thomson’s groundbreaking work, scientists thought that atoms were the smallest unit of matter. However, during his...
Elements and Compounds | Simplified for kids
Kids often ask, what are elements and compounds? So here is the basic definition of an element and a compound that kids can easily remember. Definition Element is a substance, that has only one...
WHAT ARE MOLECULES? TYPES WITH EXAMPLES
Molecules are the tiny particles of any substance that still retain all the properties of that substance. When you break down a molecule further, it no longer has the same characteristics. A molecule forms...
Who Discovered Atoms – Indian, Greek or English?
Most people credit the discovery of atoms to either English chemist John Dalton (1766-1844 AD) or ancient Greek philosopher Democritus (470-400 BC). However, few know that an Indian philosopher discovered atoms first. The great...
