Physical Science Vocabulary Crossword Puzzle

QUESTIONS LIST:

• mechanics: the study of motion
• kinematics: the study of how things move
• frame of reference: a coordinate system used to describe the motion of an object
• system: a portion of a larger motion that we are interested in studying
• displacement: a vector quantity that describes a change in position
• distance: how far an object moves through a time interval
• scalar: a measurable quantity that consists of magnitude (size) only
• vector: measurable quantity with both magnitude and direction
• speed: a scalar quantity indicating the rate at which an object moves
• velocity: a vector quantity indicating the rate at which an object's position changes
• momentum: a property of a moving system that is equal to its velocity times its mass
• acceleration: the rate of change of velocity
• free fall: the motion of an object that falls due to gravity alone, with no other forces acting on it
• circular motion: movement along a circular path
• centripetal acceleration: acceleration that causes an object to move along a circular path
• projectile motion: the two-dimensional motion of any flying objects whose path is determined by the influence of an external force only, such as gravity
• trajectory: the two-dimensional motion of any flying objects whose path is determined by the influence of an external force only, such as gravity