Term
|
Definition
| The changing in position of an object relative to a reference point; an imaginary line joining the object to the reference point changes in length and direction or both. |
|
|
Term
|
Definition
| Movement in a straight line at a constant speed. |
|
|
Term
|
Definition
| Distance travelled in a specific time. |
|
|
Term
|
Definition
| Speed and direction of an object. |
|
|
Term
|
Definition
| Quantity that indicates magnitude only. |
|
|
Term
|
Definition
| Quantity that indicates magnitude and direction. |
|
|
Term
|
Definition
| Scaler quantity that measures how far an object has travelled. |
|
|
Term
|
Definition
| Vector quantity that measures the change in direction and the change in direction or position of an object. |
|
|
Term
|
Definition
| Change in velocity during a specific time interval. |
|
|
Term
|
Definition
| Push or pull applied to an object; measured in Newtons. |
|
|
Term
|
Definition
| A measure of the amount of energy transferred from one object to another when an object moves against an opposing force or the speed of an object increases; calculated by multiplying the force acting on an object by the distance the object travels. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Potential energy stored in the chemical bonds of compounds. |
|
|
Term
|
Definition
| Work done by moving charges; energy produced by moving electrons. |
|
|
Term
|
Definition
| Potential energy stored in the nucleus of an atom. |
|
|
Term
|
Definition
| Energy of a moving object. |
|
|
Term
| Gravitational Potential Energy |
|
Definition
| Energy of an object because of its position above the surface of earth. |
|
|
Term
|
Definition
| Energy due to the motion and position of an object. |
|
|
Term
|
Definition
| Study of the interrelationships between heat, work and energy. |
|
|
Term
|
Definition
| Energy transferred from an object at a higher temperature to one at a lower temperature; thermal energy. |
|
|
Term
|
Definition
| Energy that is stored and held in readiness; energy that has the potential to do work; types of potential energy include gravitational, elastic, and chemical. |
|
|
Term
|
Definition
| Energy stored in an object that has its shape changed by stretching, twisting or compressing. |
|
|
Term
|
Definition
| Energy of a moving object. |
|
|
Term
|
Definition
| Energy due to the motion and position of an object. |
|
|
Term
|
Definition
| Electrical generating station that uses thermal energy to produce steam to drive turbines; sources of thermal energy include coal, natural gas, and nuclear energy. |
|
|
Term
|
Definition
| A set of interconnected parts; a system can be classified as open, closed or isolated. |
|
|
Term
|
Definition
| A system that exchanges both matter and energy with its surroundings. |
|
|
Term
|
Definition
| Any system that exchanges energy with its surrounding but does not exchange matter. |
|
|
Term
|
Definition
| System that cannot exchange either matter or energy with its surroundings. |
|
|
Term
| First Law of Thermodynamics |
|
Definition
| The total energy, including heat, in a system and its surroundings remain constant. |
|
|
Term
|
Definition
| Hypothetical machine in which all the input energy is converted completely into mechanical energy; also called perpetual motion machine. |
|
|
Term
|
Definition
| Hypothetical machine in which all the input energy is converted completely into mechanical energy; also called perfect machine. |
|
|
Term
| Second Law of Thermodynamics |
|
Definition
| Heat always flow naturally from a hot object to a cold object, never naturally from a cold object to a hot object. |
|
|
Term
|
Definition
| Device that converts heat into mechanical energy. |
|
|
Term
|
Definition
| Device that uses mechanical energy to transfer heat. |
|
|
Term
| Internal Combustion Engine |
|
Definition
| Device in which energy is released by burning fuel inside the engine. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Energy needed to do work. |
|
|
Term
|
Definition
| Work that a machine is supposed to do. |
|
|
Term
|
Definition
| Energy source that is continually and infinitely available. |
|
|
Term
| Non-Renewable Energy Source |
|
Definition
| Energy source that is limited and cannot be replaced. |
|
|
Term
|
Definition
| Using waste energy from one process to power a second process. |
|
|
Term
|
Definition
| Description of any process that will not compromise the survival of living things or future generations while still providing for current energy needs. |
|
|
