What Is Strain?
Simple Definition: Strain is the amount of stress or pressure applied to an object, which can cause it to change shape or size. It is a measure of how much…
What Is Strain in Physics?
Simple Definition: Strain is a measure of how much an object deforms or changes shape when a force is applied to it. It is calculated by dividing the change in…
What Is The Meaning Of Radiation?
Simple Definition: Radiation refers to the emission [sending out] of energy as electromagnetic waves [a form of energy that can travel through space and matter] or as moving subatomic particles…
What Is PSI?
Simple Definition: PSI stands for pounds per square inch. It is a unit of pressure [force exerted on a surface]. PSI is commonly used to measure the pressure of gases…
What Is Terminal Velocity?
Simple Definition: Terminal velocity is the maximum speed that an object can reach when falling through a fluid [a substance, like air or water, that can flow]. It occurs when…
What Is Tyndall Effect?
Simple Definition: The Tyndall Effect is the scattering [spreading out in all directions] of light by particles in a substance [material]. When a beam of light passes through a substance…
What Is Altitude?
Simple Definition: Altitude is the height of an object or location above sea level. Sea level is the average level [height] of the surface of the oceans. For example: The…
What Is Cohesion?
Simple Definition: Cohesion in chemistry refers to the attractive force [a force that pulls objects towards each other] that holds molecules of the same substance together. For example, when water…
What Is Adhesion?
Simple Definition: Adhesion is the process of two different substances sticking or clinging together [joining]. For example, when water sticks to the inside of a glass or when a sticker…
What Is Magnetism?
Simple Definition: Magnetism is a natural force that attracts certain materials (like iron or steel) towards a magnet. It is caused by the movement of electrons in atoms. For example,…
What Is Polarity?
Simple Definition: Polarity refers to the property of having two opposite or contrasting aspects or conditions. It is the quality of something that can be divided into two parts that…
What Is A Newton?
Simple Definition: A Newton is a unit of measurement for force [a push or pull]. It is named after Sir Isaac Newton, who discovered the laws of motion. One Newton…
What Is Electric Charge?
Simple Definition: Electric charge is a fundamental property of matter that causes it to attract [pull] or repel [push away] other objects that have electric charge. For example, when you…
What Is EMF?
Simple Definition: EMF stands for electromagnetic field [a type of invisible energy created by electrically charged objects]. It consists of electric and magnetic fields that surround these objects. EMF has…
What Is A Magnet?
Simple Definition: A magnet is an object that attracts certain materials, like iron and steel, [which are types of metals that can be pulled toward a magnet]. It has a…