Science Buddies ranks each project within one of three categories of difficulty:

Three boxes labeled Beginner, Intermediate and Advanced

For each category, there are three additional ranges of difficulty:

Three bar graphs labeled Easy, Medium and Hard

What Number Is Right for You?

The correct level of difficulty depends on a number of things:

For an average student, the following table is a good guideline:

Three difficulty categories are separated by difficulty level and grade

Three difficultly categories are separated into three difficulty levels and assigned an appropriate grade below. The categories and levels are organized from left-to-right from the easiest to the most challenging. Grades K-4 fall under the Beginner category on the left, grades 5-8 are under the Intermediate category in the middle and grades 9-12 are under the Advanced category on the right.

Free science fair projects.