Accelerate - To increase speed or get faster, Aerodynamic - A shape which reduces air resistance, Air resistance - a force that an object in motion feels due to air particles hitting it. Always acts to decelerate the object., Balanced forces - When two or more forces on an object cancel each other out so that the overall force is zero., Decelerate - To decrease speed or get slower., Chemical energy - The energy stored in chemicals such as fuels., Elastic energy - The stored energy in an object that has been stretched or squashed., Electrical energy - The energy transferred when electrons in a wire flow., Gravitational energy - The energy stored in an object due to it being lifted above the ground., Heat energy - Heat is the transfer of energy due to particles moving/vibrating within an object., Kinetic energy - This is the energy transferred when things move about., Light energy - Waves given off by luminous objects can be detected by the human eye., Nuclear energy - The energy stored within the nuclei of atoms., Sound energy - The energy transferred when an object vibrates., Friction - A force which acts when objects rub together. It always acts to decelerate the object., Potential energy - Stored energy., Tension - A force that is used to stretch something., Thrust - A force which produces a change in motion (speed, direction or shape.), Unbalanced forces - When two or more forces on an object do not cancel and act to change its motion.,

KS4 Motion and forces

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