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Grade 8 Science: Energy, Work and Power review

Energy, Work and Power

AB
Potetial Energyenergy that is stored
Kinetic Energythe energy of motion. It depends on the mass and velocity of the object
Elastic Potential Energythe energy found in springs and rubber bands.a kind of matter that easily changes volume and shape.
Mechanical Energy formulapotential energy and kinetic energy combined or added together
Chemical Energyenergy stored in the chemical bonds between atoms and molecules
Electromagnetic Energyenergy that travels in waves
Electrical Energythe energy of electrical changes
Energy transformationA change from one form of energy to another form of energy.
Powerthe amount of energy transferred in a unit of time
Mechanical Energythe energy an object has because of its position and its motion
Workthe transfer of energy
Law of Conservation of EnergyWhen energy changes form, energy is not lost or created.
Joulesthe units that energy is measured in
Energythe ability to do work
Thermal Energythe total energy in the particles of an object.
Gravitational Potential Energypotential energy that depends on height
Powerthe rate at which energy is transferred
Kinetic Energy depends onthis type of energy depends on mass and velocity
Nuclear Energythe energy stored in the nuclei of atoms
frictioncauses moving objects to slow down
An example of Electromagnetic Energysunlight that reaches earth
An example of something that stores Chemical Energya match used to light a fire, the energy stored in food for our bodies
An example of Thermal Energya mug of hot cocoa, a pot of hot soup on the stove
An example of Electrical Energylightning in the sky during a thunderstorm
An example of Nuclear Energynuclear power plants
An example of Electromagnetic Energyx-rays and microwaves



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