Speed Terms Crossword Puzzle

QUESTIONS LIST:

• speed : rate at which something is moving
• velocity : speed in a direction
• positive acceleration : change in velocity to time when an object is increasing
• reaction time : time it takes to react to a situation
• reaction distance : how far you travel after reacting to a situation
• negative acceleration : change in velocity to time when an object is decreasing
• distance : how far it is between two points
• time : how long it takes for something to occur
• vector : force/magnitude in a direction
• scalar : force/magnitude but no direction
• constant speed : speed that does not change over time
• instantaneous speed : speed at an exact moment in time
• friction : force that opposes motion
• slope : steepness of a line, found by dividing rise over run
• momentum : product of the mass and velocity of an object
• strobe photo : many pictures taken at regular intervals to show the motion of fast-moving object
• doppler effect : change in pitch and frequency of a sound or wave
• average speed : fond by dividing how far you travel by how long it takes you to get there
• acceleration : change in velocity over a period of time