Notes from Janice’s Desk
When searching for ideas for your science project, write out a purpose each topic you are considering.The purpose should be a statement comparing an independent variable and a dependent variable. The independent variable is the condition that the experimenter changes. The dependent variable is the condition that the experimenter measures to find out if or how it changes. In the following form, the the independent variable is placed in blank (a) and the dependent variable is written in blank (b).
A Study of the Effect of ___(a)___ on ___(b)___.
1. Topic: Seed Growth
Purpose: A Study of the Effect of Microwaves on Seed Growth.
2. Topic: Downhill Motion
Purpose: A Study of the Effect of Weight on Downhill Motion.
3. Topic:Chemical Reactions
Purpose: A Study of the Effect of Temperature on the Rate of a Chemical Reaction.
Note to Educators: Collect Purpose Ideas for Science Fair Projects. You could file the ideas under specific categories, such as Seeds, Plants, Chemical Reactions, etc….
For information about using Purpose ideas to write a Project Question, see SCIENCE FAIR PROJECTS: QUESTIONS.