This is the 2025 handbook for the Mendocino County Science and Engineering Fair. Top projects at the Willits Science Fair qualify for the Mendocino County Science and Engineering Fair.
If your science project involves humans or animals in any way, you must read these guidelines and complete the necessary forms.
Students who use human volunteers or collect data in any way about humans must complete these forms. The student's teacher (or advisor) is responsible for approving the project. This form is required for both the Willits Science Fair and the Mendocino County Science Fair.
If your project involves the use of human or vertebrate tissues, you must complete this form. Students are not allowed to be involved in the direct acquisition of living tissue from humans or vertebrate animals. This form is required for both the Willits Science Fair and the Mendocino County Science Fair.