| A | B |
|---|
| Analog Signal | An Analog or analogue signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.,  |
| Carboxyl Group | A group of atoms, - COOH, found in organic acids.,  |
| Compression Wave | A shock wave that compresses the medium through which it is transmitted.,  |
| Doppler Effect | The apparent change in frequency of a sound as the source moves in relation to the listener.,  |
| Element | The simplest form of matter that has unique set of properties; an element cannot be broken down into similar substances by chemical means,  |
| Galvanometer | A device that uses the rotation of a loop of wire in a magnetic field to measure small amount of currents,  |
| Image | A mental picture of something not real or present.,  |
| Kinetic Theory | Describes a gas as a atom all which are in constant, random motion.,  |
| Mechanical Energy | Kinetic or potential energy associated with the motion or position of an object.,  |
| Nonpolar Molecule | Molecule which has no separation of charge, so no positive or negative poles are formed.,  |
| Plane Mirror | Flat mirror that produces an upright, virtual image the same size as the object.,  |
| Real Image | An inverted image formed where rays of light meet. Reflecting telescope- a telescope that uses convex lenses to gather and focus light,  |
| Sound | Disturbance that travels through a medium as a longitudinal wave.,  |
| Thermal Insulator | Materials used to reduce the rate of heat transfer, or the methods and processes used to reduce heat transfer.,  |
| Voltage Difference | The voltage between two points is a short name for the electrical force that would drive an electric current between those points.,  |
