Explore our favorite experiments, engineering challenges and demonstrations with these fun hands-on STEM activities! Materials are easy to find, most activities take an hour or less, and the STEM …

Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!

Find an elementary school science experiment that is just right for you in this collection of fun hands-on science.

Below is a list of the 1272 science fair project ideas on our site. To help you find a topic that can hold your interest, Science Buddies has also developed the Topic Selection Wizard.

For a personalized list of science projects, fifth graders can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and then uses their …

May 16, 2025 · Looking for last-minute STEM ideas for the end of the year, for after testing, for a classroom warmup, or for a rainy day at home? Try these paper-based STEM activities!

Free Topic Selection Wizard, science fair project ideas, step by step how to do a science fair project, Ask an Expert discussion board, and science fair tips for success.

For a personalized list of science projects, seventh graders can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and then …

Feb 23, 2015 · Put engineering in the spotlight and celebrate Engineers Week with one of these 16 STEM projects!

Discover the perfect middle school science experiment in this huge collection of age-appropriate science investigations.