Motion and Machines Crossword Puzzle

QUESTIONS LIST:

• speed : rate of change of distance over time
• motion : the change in an object's position
• reference : a fixed point to determine whether an object has changed position
• momentum : the mass and velocity of an object
• inertia : the resistance to a change in motion, newton's first law
• force : a push or pull on an object
• kinetic energy : energy in motion (2 words)
• gravity : the pull of one object on another
• acceleration : change in velocity during a period of time
• distance : by measuring an object's position at different times you can determine this
• potential energy : stored energy (2 words)
• velocity : distance an object moves over a given amount of time in a certain direction