All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Expansion and shrinking of woodFeatured 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:
8
Project cost ($):
90
Time required:
1 day to prepare, 1 day for the science project experiment
Material availability:
Easily found
Safety concerns:

Be careful when removing the hot wooden blocks from the oven. Use gloves to protect your hands.