physical science

Properties of objects and materials Position and motion of objects Light, heat, electricity, and magnetis..

Properties and changes of properties in matter Motions and forces Transfer of energ..

Properties and changes of properties in matter Motions and forces Transfer of energ..

A physical change is one in which the shape, size, appearance or state, of a substance may alter, but its chemical composition remains sam..

A physical change is one in which the shape, size, appearance or state, of a substance may alter, but its chemical composition remains same. No new substance is formed. It is usually a change, which is reversible. By reversing the process, the original substance can be obtained. Example,..

According to Mendel, the genotype i.e., the combination of genes or the genetic constitution is made of certain structures called factors. The factors controlled the inheritance of all traits. These factors are present in pairs. The factors are now called genes. Thus the physical basis o..

Is Matter Around us Pure - Physical and Chemical Changes Matter undergoes certain changes as a result of the application of energy. Water from saltpans on the seacoast dry up, leaving behind salt; water from the sea evaporates to from water vapour, which convert into clouds and then conde..

Physical Properties of Metals..

When the shape, size, appearance or state, of a substance is altered, but its chemical composition remains same a physical change of matter takes place. No new substance is formed. It is usually a change, which is reversible, that is, by reversing the process, the original substance can b..