only additional activities, can i get help once again?
edit:ill send the questions,its blurry

1.A tree along a highway can be used as reference point for moving vehicles.
2.There is always a change position when an object moves.
3.the speed of a moving object may be described as fast or slow.
4.A reference point is used to get the speed of a moving object.
5.Objects move in different directions at different directions.