Pure Substance in Chemistry – Definition and Examples
In chemistry, the definition of a pure substance is different from how we use the word in everyday life. Many things we think of as pure, like milk, honey, tap water, fruit juice, or...
atoms
Different Forms of Energy in Physics and Examples
In Physics, we define energy as the ability or capacity to do work. As per the law of conservation of energy, – energy can neither be created nor destroyed however, it can be changed...
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...
