Tell how things are the same.
The balls are round.
The balls are rotating.
The balls bounce.
The balls roll.
The balls have lines.
The balls are the same size.
Tell how things are different.
such as yet
One ball is a basketball.
One ball is orange with black lines.
The lines go from the top to the bottom.
One ball is rough.
You dribble and throw a basketball into a basket.
The other ball is a soccer ball.
The other ball is white and black.
The other ball has black pentagons on it.
The white lines come out from the center of the pentagons and join the
The other ball is smooth.
You kick a soccer ball into a goal.