Sky Motion Lesson 1

The location of an object is its ____.

• position

• direction

• distance

A change in position of an object over time is motion. Motion has two parts:

• position and distance

• direction and distance

• location and position

Distance can be measured in:

• meters

• kilometers

• miles

• grams

• All of the above

To measure direction, you can use a(n)_______

• compass or protractor

• degrees

• ruler

• temperature

You can measure direction in units of _____.

• temperature

• degrees

• inches

• miles

You need a _____ from which to measure position or motion.

• frame of reference

• monitor

• positionator

• motionomer

To calculate speed, divide the ______ by the ______.

• time spen traveling

• distance traveled

• distance traveled; time spent traveling

• time spent traveling; distance traveled

Units of speed can be _______ or ______.

• meters per second ; miles per hour

• seconds per meter; hours per minute

• days spent traveling; miles spent traveling

• hours per second; minutes per second

The calculated speed over an entire trip is ________speed.

• median

• average

• acceptable

• maximum

To state the velocity of an object, you need to know the object's _____________and its_______________.

• direction and speed

• direction and momentum

• momentum and force

• elevation and speed