Experiment Design

Start by describing exactly what you want to find out.  Your design should include three main parts.

Problem
Hypothesis
Procedure

Keep it simple.  Don’t try to design one experiment that answers every possible question.
When designing an experiment, be sure to describe exactly what you want to find out.  Most children will have one question that describes what they [...]

PURPOSE

The purpose of this experiment is to determine whether magnets have an effect on the growth of radish seedlings.
I became interested in the study of the effect magnets, when I discovered that magnets could make you heal faster. Later I decided that that it would be a better idea to study the effect of magnets [...]

PURPOSE
The purpose of this experiment was to determine the effect of a certain species of algae when they are growing at different temperatures.
I became interested in this idea when I saw that more algae was on the beach in Oregon then there was on the Washington shore.
The information gained from this experiment can help people [...]

Purpose
The purpose of this experiment was to compare the kinds of soil in Pierce County versus Yakima County.
My family likes to garden and when we dig we find different kinds of soil. I chose to make a science project to help my family and others who garden.
The information gained from this experiment will help people [...]

PURPOSE
The purpose of my experiment was to determine the effects of water solutions that contain different levels of nitrogen on bean growth.
I became interested in this idea when I noticed my dad putting lawn clippings on our vegetable garden and I wondered if it would help the garden to be healthier and produce more vegetables.  [...]