Which type of lawn sprinkler works best?

The important task of irrigation or watering the lawn in many homes and gardens is being done by a large varieties of sprinklers. Lawn sprinklers must distribute the water evenly across the lawn, but not all sprinklers are up to the task. Many can not distribute water evenly and leave some spots dry, while flooding some others. Another concern is usually water conservation. The amount of water sprinkled to the lawn must be the right amount for the type of soil, grass and weather. Otherwise either water...
 Project description
In this project you study and compare different lawn sprinklers and decide which one works best. As a part of this project you may also design and build a working model of a lawn sprinkler.
 Details of this project
More details or support for this project is available for the members of ScienceProject.com. Material needed for experiment or a science kit about this title may be available at MiniScience.com.