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Energy Vocab
Term | Definition |
---|---|
Energy Transformation | when one form of energy changes into another |
Energy | the ability to do work or cause change |
Thermal Energy | movement of atoms in something that causes heat |
Mechanical Energy | energy created by the physical movement of something |
Electricity | flow of electrical power or charge |
Electromagnetic Energy | energy that comes from electromagnetic radiation; this type of energy moves through waves |
Nuclear Energy | energy stored in the nucleus of an atom |
Chemical Energy | energy stored in bonds of atoms and molecules; released or absorbed during a chemical reaction |
Static Electricity | electricity that collects on the surface of something and does not flow as a current; can cause mild shock |
Circuit | complete path that an electric current travels along |
Magnet | a piece of material (such as iron or steel) that is able to attract certain materials |
Poles | two ends of any magnet |
Attract | to draw in by physical force |
Repel | to push away by force |
Wave | disturbance that transfers energy from place to place |
Medium | material through which a wave travels |
Reflection | incoming light wave or sound wave bounces off the object at an equal but opposite angle; bouncing back off an object or wave |
Refraction | wave changes direction as it passes from one medium to another; bending of waves as they enter a new medium at an angle |
Echo | a reflected sound wave |
Absorption | occurs when incoming light energy is converted to heat in the object |