1. How to graph in science.
We want
to graph!
graphing notes for all students, even
the ugly ones

2. Parts of the graph
Title
y axis
dependent variable
x axis
independent variable

3. Independent vs. dependent
variables
 Independent  Dependent
 x axis  y axis
 variable you control  variable you measure
 hours studied per night  grade you receive
 time  distance traveled
 # of dog bones fed to  girth of your dog
your dog

4. A way to remember where the
variables are graphed….
“DRY MIX”
Dependent, Responding on Y axis.
Manipulated, Independent on X axis.

5. Line Graph
FAT DOGS
 Best type of graph to
70
show a relationship
60
between two 50
variables. 40
Girth in
 Example: kg of food 30 cm
20
fed vs. girth of dog in
10
cm.
0
1 2 3 4
Never forget the title kg kg kg kg

6. Bar Graphs
Friday Night Fun
 Great for showing 90
categories 80
70 # of
 Example: Favorite 60 students
activities of cool 50
science students on 40
Friday night! 30
20
10
0
watch star
shave head
experiment
graph sock
on family
drawer
trek

7. Pie Graphs
Wolf’s income
 Wonderful for
showing percentages salary
 Example: Teacher’s
income 20% student
25% 10% bribes
Nike
endorsement
45%
astronaut
pension

9. Things to remember
 Always label the title and axis
 include units with each axis
 The graph should always take up
most of the paper

10.  Choose the correct type of
graph for the information you
want to show
 does not have to begin with 0,0
in bottom left corner