Conservation of energy
The principle that the total amount of energy in a closed system remains always the same, none being lost or created in any chemical or physical process or in the conversion of one kind of energy into another, within that system.
Dictionary > Conservation of energy
You will also like...

Human Perception – Neurology
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

Respiration
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

Human Reproduction and Fertilization
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

The Central Nervous System
Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

Geological Periods
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..

Origins of Life on Earth
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..