Distance - the length of a line between two points, Motion - a change in an object’s position, Direction - the path that a moving object follows, Speed - a measure of how far an object moves in a certain amount of time, Distance-time Graph - a line graph that shows an object’s motion, with time on the x-axis and distance on the y-axis, Force - a push or a pull, Balanced Forces - equal forces in opposite directions; cause an object to remain in place or moving at a constant speed, Unbalanced Forces - forces that cause an object to start moving, stop moving, or change direction, Mass - the amount of matter an object contains, Friction - a force that acts between surfaces that touch each other, Gravity - a force that pulls objects toward each other, Matter - anything that has mass and takes up space, Air Resistance - a force that acts against the pull of gravity, Position - the location of an object,




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