Check out our Top 10 Best Science Fair Projects! Finding the best science fair project can be tough, but we've made it easy by selecting the best science project from each category and including its topic. Get inspired by these science projects and create the best science fair project ever! Explore more cool science fair project ideas by grade level at the top of this page.

1. Jet Lag in Hamsters (circadian rhythm, Biology science fair project)

2. Egg with Vinegar (acid/base reaction, Chemistry science fair project)

3. Galileo's Inclined Plane Experiment (acceleration, Physics science fair project)

4. Plant's Favorite Color for Photosynthesis (color for photosynthesis, Botany science fair project)

5. Color and Taste (color perception, Psychology science fair project)

6. Does Dog Saliva Kill Bacteria? (antibacterial, Microbiology science fair project)

7. Decomposing Plastic Spoons (biodegradable materials, Environmental Science science fair project)

8. Super Hero Egg Shells (structural engineering, Engineering science fair project)

9. Music Math: Playing Notes with Equations (music, Math science fair project)

10. Temperature's Effect on Seawater (climate change, Earth Science science fair project)