Anytime can be the right time to explore STEM (science, technology, engineering and math). Explore our favorite experiments, engineering challenges and demonstrations with these fun hands-on STEM …

Free teacher resources for hands-on science. Lesson plans, activity guides, grading rubrics, experimental design, science fair resources, and thousands of project ideas for K-12 science inquiry.

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.

Browse through detailed information on dozens of careers to discover what scientists, engineers, and other STEM professionals really do and what it takes to prepare for these careers.

Science Buddies' fifth grade science projects are the perfect way for fifth grade students to have fun exploring science, technology, engineering, and math (STEM).

Build a paper roller coaster in this fun science activity that demonstrates kinetic and potential energy.

Science Buddies' middle school science projects are the perfect way for middle school students to have fun exploring science, technology, engineering, and math (STEM).

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!

In this science activity, you will make your own ice cream in a bag and explore the best way to chill the ingredients to make them become a creamy delicious treat!

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.