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Yr9 Energy

Part 1 definitions for energy

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
Created by: kjsime