1.which of the following best decribes a reference point?
A.a measuring tool
B.a change in position relative to time
C.it help in causing movement of an object
D.it helps determine how far and what direction something has moved.

2.which tool is use in determing the distance of the objects moved by blowing?
A.ruler B.branch of a tree C.measurin wheel D.ultrasonic distance measurer

3.when can you say that motion takes place?
A.if the reference point is still the same C.if there was no force applied
B.if there is a change in a position D.if the distance and time are fixed

4.distance and____are important in describing motion.
A.time B.point C.position D.direction

5.why is it important to have a reference point in understanding motion?
A.because it makes the object move
B.because it serves as the finishing line
C.because it is the most common measuring tool
D.because it serves as basis as in measuring the distance travelled by an object