Push and Pull ( Exercise )

Fill in the blanks.
( faster / change / slower / pushing / pulling )

 1. We can make a moving ball move  (                   ) by pushing it  from behind.

2. We can make a moving toy car move (                   ) by pulling it from behind.

3. We can (                   ) the direction of moving object by (                        ) or (                    ) the object 
the side.