* The eye is a natural optical instrument which enables us to see things around us. * The eye consist eyeball which is spherical in shape...

All the living organisms need food to survive. We get energy from food which is utilised by our body for performing the different...

CHAPTER 12 - TRANSPORTATION OF MATERIALS IN PLANTS AND ANIMALS. Transport means ‘to carry things from one place to another’. * The body...

ELECTRIC CURRENT AND ELECTRIC CIRCUIT When you press the switch on, blub starts glowing. Why you think the bulb glows on putting the...

TOPICS COVERED * Light *Rectilinear propagation of light *Reflection of light *Image - Real and Virtual *Properties of image formed by...

Class 8 Chapter 6 Combustion: A chemical process in which a substance reacts with oxygen (of air) to give heat and light. The light...

CLASS - 9 [CHEMISTRY] Matter: Any which has mass and occupy space is called matter. Atoms and molecules are the building blocks of the...

Chapter 5 - Periodic classification of elements It is very difficult to study the property of 118 elements separately so the element...

Anything in the environment 'which can be used' is called a resource. All the natural resource are classified into two main groups:...

Chapter - 9 Weather, Climate and Adaptation Weather You must have noticed while watching news, there is a section called weather...

Chapter 11 Respiration Why do we need food? We need food to get energy, growth and to live. How does the energy get released from our...

Acids,Bases and Salts Content: * Introduction * Physical properties of Acids, Bases and Salts *Chemical properties of Acids. *Testing for...