50 Sensational 7th Grade Science Fair Projects and Classroom Activities

Engage every student with these 7th-grade science fair projects, whether they’re interested in biology, chemistry, physics, environmental science, or any other discipline. Plus, find interesting classroom demos, experiments, and hands-on activities to spice up your lesson plans!

To make it easier to find classroom activities or science fair ideas for 7th grade, projects are rated by difficulty and the materials needed.