Updated: 16th October, 2026 TL;DR Every ISEF project needs four core forms: Form 1, Form 1A with a research plan, Form 1B, and Form 2A. Work with people, vertebrate animals, hazardous materials, or biological agents adds more forms, and most of it needs approval before you start. File the core set first, then add what your project triggers. The Society for Science's 2027 Rules and Guidelines cover the 2026 to 2027 season. If you want help scoping a project that clears review,
