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Science
| Question | Answer |
|---|---|
| What is energy? | Energy is the ability to do work there are many different forms of energy such as kinetic electrical sound heat and light |
| Types of energy | Kinetic,gravitational,elastic,chemical,nuclear,electrical,heat,light,sound |
| Conduction | When heat is transferred by a substance flowing from a warmer area to a cooler area through direct contact between two solid object |
| Convection | When heat is transferred by a substance flowing from a warmer area to a cooler area in liquids or gases |
| Gravitational energy | potential energy of an object elevated above the ground |
| Elastic energy | Energy stored by an elastic object that is stretched such as a spring or rubber band |
| Chemical energy | Energy stored in chemicals that when created together such as burning reactions release heat sound or light |
| Nuclear energy | Energy stored in the nucleus of atoms that can release energy slowly such as in a nuclear reactor or quickly such as in a nuclear explosion. |
| Electrical energy | Energy supplied to homes by powerlines and available to your appliances via power outlets in the home |
| Kinetic energy | Energy possessed by objects that are moving |
| Heat energy | Energy that causes objects to gain temperature |
| Light energy | Energy that may be released, eg when an object is hot or dry a nuclear reaction in a star |
| Sound energy | Energy carried by the air in a room and detected by the ear |
| Potential energy | Stored energy that, when released, is converted to other forms such as kinetic, sound, heat, or light energy |
| radiation | The transfer of heat from electromagnetic waves |
| how can energy be transformed | Energy transformation occurs when energy is changed from one form to a different |
| Potential energy | Stored energy that, when released, is converted to other forms such as kinetic, sound, heat, or light energy |
| Useful energy | Is the intended product of an energy transformation |
| four types of kinetic energy | Heat,Sound,Electrical,Light |
| Wasted energy | Any unwanted energy forms that are produced in a energy transformation and it is lost |
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