A Device is something made for a purpose, usually a tool or an instrument. An Instrument is a tool, especially used for delicate scientific work or medical work.

A power plant or power station both describes the facility for the generation of electricity. Thus, there is no difference between both the terms and can be used interchangeably. In America, people prefer to...

Law and theory are two terms that are often used in context of scientific terminology. The main difference between a law and a theory is that a theory tries to explain the reasoning behind something that...

The independent variable is the one that just happens; it does not rely on anything else, whereas the dependent variable is usually dependent on the independent variable.

Steam forms when water is boiled to the point where it transitions from the liquid phase to the gaseous phase. Steam is basically heated water vapor that is the gaseous phase of water. Smoke is simply a...