Primary Projects
Perfect for grades K-4 (ages 6-10). Simple, safe experiments that introduce basic scientific concepts through hands-on learning.
Free Science Fair Projects
Discover amazing STEM experiments and educational resources for students grades K-12
Choose Your Grade Level
Elementary Projects
Designed for grades 4-6 (ages 10-14). More detailed experiments that build on fundamental science principles.
Intermediate Projects
Perfect for grades 7-8 (ages 13-15). Advanced experiments introducing complex scientific methodology.
Senior Projects
Challenging projects for grades 9-12 (ages 14-18). Original research opportunities and advanced scientific investigation.
Educational Resources & Science Kits
Science Fair Project Kits
Complete experiment kits with all materials included. Perfect for hands-on learning and science fair competitions.
Browse KitsSchool Science Supplies
Educational supplies for chemistry, physics, biology and electronics training. Bulk pricing for schools available.
School OrdersStudent Science Supplies
Individual science supplies and educational materials. Fast shipping and competitive prices for students.
Student SuppliesAdditional Resources
Periodic table reference, science fair tips, and additional educational content to support your learning.
More ResourcesFrequently Asked Questions
Are these science projects safe for children?
Yes, all our science projects are designed with safety as the top priority. We provide clear safety guidelines for each experiment and recommend adult supervision for younger students. Projects are categorized by appropriate age groups to ensure age-appropriate activities.
How do I choose the right project for my grade level?
Our projects are organized by grade level: Primary (K-4), Elementary (4-6), Intermediate (7-8), and Senior (9-12). Each category is designed to match the cognitive abilities and safety requirements of that age group. You can also browse by subject area to find projects that match your interests.
What materials do I need for these experiments?
Each project includes a complete materials list. Most experiments use common household items or inexpensive supplies available at local stores. For convenience, we also offer complete science kits with all materials included and pre-measured for immediate use.
Can these projects be used for science fair competitions?
Absolutely! Our projects are specifically designed for science fair competitions and classroom assignments. Each project follows the scientific method and includes hypothesis formation, experimentation, data collection, and conclusion drawing. Many students have won awards using our project ideas.
How long do these science projects take to complete?
Project duration varies by complexity. Simple projects can be completed in 1-2 hours, while more advanced experiments may require several days or weeks for observation and data collection. Each project description includes estimated time requirements to help with planning.
Why Choose Our Science Projects?
A group of project advisors identified the best science projects for educational value, attractiveness, versatility, and availability of materials. Most projects focus on energy, environment, and health - key topics in modern STEM education.
Educational Excellence
Each project is carefully reviewed for its learning potential and alignment with STEM curriculum standards.
Safety First
All experiments prioritize student safety with clear guidelines and age-appropriate materials.
Real-World Relevance
Projects focus on current topics like energy conservation, environmental science, and health awareness.