The branch of physics that deals with heat transfer and other forms of energy with the surroundings. A thermodynamic process is defined as a change from one equilibrium one state to another state. Isothermal process In an isothermal process the system changes itself from one state to another keeping temperature as a constant. That is, […]

Wild animals are those animals which live in the forests. These animals aren’t tame and live on their own without any help from people. A wild animal finds its own food, shelter, water and all its other needs from the forest. As we cannot go to the forest to see the wild animals, zoos were […]

What is a root? Root is a part of a plant which is below the ground, attached in the soil, which takes water and nutrients from the soil to transfer it to the plant. What are the types of roots? 1. Tap root 2. Fibrous roots 3. Prop or hanging roots 4. Breathing roots The […]

A closed path for the flow of electricity is called an electric circuit. The circuit consists of a voltage, switch, resistor and a conductive path. Electric cell The main component of an electric circuit is a cell or a battery which gives power to the circuit. The capacity of a single electric cell is 1.5 […]

The heart in the human body is a vital organ, weighing between 300 to 450 gms. The heart is responsible for pumping blood rich in oxygen for different biological functions to carry out. The heart beats approximately 72 times in a minute, ie, almost 100,000 times approximately in 24 hours. A heart is a muscular […]