Fluid Substance

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset …

Read more

Heat and gas

Generally, when substances are heated, their particles begin to move faster. In solids, molecules vibrate together; heat makes them vibrate …

Read more

Temperature

Temperature is a physical quantity that is a measure of hotness and coldness on a numerical scale. It is a …

Read more

Heat Radiation

Thermal radiation is electromagnetic radiation produced by the thermal motion of charged particles in matter. All matter with a temperature …

Read more