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Yr9 Energy
Part 1 definitions for energy
| Term | Definition |
|---|---|
| Active energy | Different forms of energy present when particles, waves or objects move |
| Light energy | Energy given out by hot objects, certain chemicals and some living organisms |
| Heat energy | Energy which causes particles in a substance to move faster and more freely |
| Electrical energy | Energy of electrons moving in a conductor |
| Sound energy | Energy which travels from vibrating objects through a medium |
| Kinetic energy | Energy of a moving object |
| Potential energy | Any form of stored energy |
| Chemical potential energy | Energy stored in fuel and food |
| Magnetic potential energy | Energy stored in an iron object when moves away from a magnet |
| Gravitational potential energy | Energy stored in objects that are above the ground/ have height |
| Nuclear potential energy | Energy stored in the nucleus of an atom |
| Elastic potential energy | Energy stored in springs, elastic, rubber bands when they are compressed or stretched |
| Energy transfer | When energy moves from one object to another |
| Energy transformation | When energy changes from one form to another |
| Law of Conservation of Energy | Energy cannot be destroyed or created but can only change from one form to another. The total amount of energy stays the same. |
| Efficiency | Percentage of useful energy generated by an appliance out of the energy consumed |
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kjsime
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