Introduction to Matter Things all around us are made up of matter. Matter has mass and occupies space. Different substances are made up of different kinds of matter. The food we eat, the water we d
Related content View
Arrangement of particles in solids, liquids and gases Every kind of matter is composed of small particles which are in constant random motion. Let us discuss the arrangement of these particles in t
Related content View
Effect of Heat on the Arrangement of Particles Properties of matter change with a change in temperature. When heated, the particles gain energy, move faster and move away from each other. That is w
Related content View
Boiling If we heat a liquid continuously, the movement of its particles becomes faster and faster. Spaces between particles are increased and attractive forces between them become weaker. Finally,
Related content View
Role of Evaporation and Condensation in the Water Cycle Sea, river, lake, canal, pond, etc. are called water bodies. The transfer of water from water bodies to the atmosphere and its return back i
Related content View
Application of Evaporation and Condensation Water is always present in the air in the form of water vapours. When there is smoke and dust in the cold climate, these water vapours appear as fog
Related content View
Science, Technology, Society and Environment Evaporation produces cooling. This principle is used in the technology of making refrigerators and air conditioners, etc. The compressors in the AC and
Related content View