1. Graphing

2. There are 3 types of graphs
1. Line Graph
2. Bar Graph
3. Circle or Pie Graph

3. Definitions
Independent Variable – What is being changed (amount of water)
Dependent Variable – What you observe (change in height)
Controlled Variable – What you keep the same (cruise control)

4. All graphs must include:
Title
Name
Label each axis with units
X-axis – Where the independent variable goes
Generally time (months, days, years, hours , etc)
Y-axis – Where the dependent variable goes
Mass, temperature, weight, pounds, etc.
Key – If you have multiple lines or bars

5. 1. Line Graph
Shows changes and trends
Ex. Change over time

6. 2. Bar Graph Information collected by counting
Ex. Compare amounts or frequency of occurrence of different characteristics of data

7. 3. Circle or Pie Graph
Fixed quantity is broken down