Graphing Only

mass

how much matter is in an object (how many atoms are in an object)

volume

how much space an object takes up

constant relationship

line goes across

indirect relationship

line goes down

direct relationship

line goes up

cyclic relationship

lines goes up, down, up, down...

x axis

the axis that lies on the ground (on the bottom)

y axis

the axis that points to the sky (on the side)