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# 1.3 vocab

### vocab

TermDefinition
temperature the measure of the average kinetic energy of the particles in a material
heat the movement of thermal energy from a region of higher temperature to region of lower temperature
conduction is the transfer of thermal energy by collisions between particles in matter
radiation the of thermal energy by electromagnetic waves
convection the transfer of thermal energy by the movement of the particles from one part of a material to another
vaporization is the change of state from a liquid to a gas
thermal conductor a material in which thermal energy moves quickly
thermal insulator a material in which thermal energy moves slowly
motion 2.1 is the process of changing position
reference point the starting point you use to describe the motion or the position of an object
distance is the total length of your path
displacement is the distance between your initial, or starting, position of your final position
speed is the distance an object moves divided by the time it took to move that distance
velocity is the speed and direction of an object's motion
acceleration is the measure of the change in velocity during a period of time
force 2.2 a push or pull on an object
contact force is a push or pull applied by one object to another object that is touching
noncontact force a force that pushes or pulls an object without touching
friction contact force that resists the sliding motion between two objects that are touching
gravity is a noncontact attractive force that exists between all objects that have mass
balanced forces when the net force on an object is ON, the forces acting on it
unbalanced forces when the net force acting on an object is no O, the forces acting on the object
Created by: spiveshy5637

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