All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Topics  > Biology > Botany

Earthworms and plant growthFeatured science projectScience project video

Project videos

See our all-time most popular science projects
Search science fair projects Browse science fair projects
popular science fair projects
Complexity level:
6
Project cost ($):
20
Time required:
1 day to prepare, 8 days for observation
Material availability:
Look for earthworms in your garden. The seeds may be obtained from a nursery.
Safety concerns:

None