| A | B |
|---|
| Chemical | A substance with a distinct molecular composition that is produced by or used in a chemical process.,  |
| Conservation of Energy | The principle that in a system that does not undergo any force from outside the system, the amount of energy is constant, irrespective of its changes in form.,  |
| Electric Generator | Is a device that converts mechanical energy into electrical energy.,  |
| Family | Elements in the same vertical column of the periodic table; also called a group,  |
| Grounding | A safety feature of an electrical device or circuit in which an extra wire attached to the device or circuit conducts any excess charge to the earth, where it is absorbed.,  |
| Infrasound | Sound with frequencies below the audible range (20Hz).,  |
| Light | A visible form of energy,  |
| Mineral | Naturally occurring solid that has a crystal structure and a definite chemical composition a simple element which is not organic that is needed by the body,  |
| Organic | Pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.,  |
| Potential Energy | Is the ability of a system to do work due to its position or internal structure.,  |
| Saturated Hydrocarbon | Any hydrocarbon in which all the bonds between carbon atoms are single bonds., .jpeg) |
| Step- Down Transformer | A transformer that decreases voltage.,  |
| Transparent | See-through, clear; having the property that light passes through it almost undisturbed, such that one can see through it clearly,  |
| Wet Cell | An electrochemical cell in which the electrolyte is a liquid.,  |
