Science Fair Ideas and Help
By Anne Marie Helmenstine, Ph.D., About.com Guide
- Science Fair Basics
- Project Ideas by Grade Level
- Steps of a Science Fair Project
- Project Ideas by Subject
Science Fair Basics

Do you have to do a science fair project or are you considering doing one for fun or prizes? Here's what you need to know about science fairs and science fair projects.
- What Is a Science Fair?
- What Is a Science Fair Project?
- What Is the Scientific Method?
- Types of Science Fair Projects
- Why You Should Do a Science Fair Project
- How to Find Original Ideas
- How to Pick a Topic
- Free Pictures for Your Project
- Science Fair Idea Extravaganza
- Best Science Fair Project Ideas (Reader Submissions)
- My Science Fair Project (Readers Share)
Project Ideas by Grade Level

The hardest part of doing a science fair project is probably finding an idea and turning it into an experiment. It can also be challenging to find age-appropriate and grade-appropriate ideas. Never fear, help is here!
- Quick-Search Project by Grade
- Elementary School Projects
- Middle School Projects
- High School Projects
- College Projects
- Preschool Science Projects
- Kindergarten Science Projects
- 1st Grade Projects
- 2nd Grade Projects
- 3rd Grade Projects
- 4th Grade Projects
- 5th Grade Projects
- 6th Grade Projects
- 7th Grade Projects
- 8th Grade Projects
- 9th Grade Projects
- 10th Grade Projects
- 11th Grade Projects
- 12th Grade Projects
Steps of a Science Fair Project

Science fair projects don't magically appear in the science fair, all completed. Once you get an idea you need to design an experiment, carry it out, and report on it or prepare a poster.
- How to Actually DO the Science Project
- Prepare a Science Project Report
- Write a Bibliography
- Make a Science Fair Poster
Project Ideas by Subject

Your best bet for a great science fair project is to choose a topic that interests you.
- Easy Projects
- Acids and Bases
- Caffeine
- Chemistry
- Crystals
- Dry Ice
- Engineering
- Fire
- Food and Cooking
- Green Chemistry
- Household Product Testing
- Magnets & Magnetism
- Plants and the Environment
- Physics
- Plastics and Polymers
- Pollution
- Salt and Sugar
- Sports
- Soil Science
- Shopping
Reader-Submitted Project Ideas

This is a collection of science fair project ideas, grouped according to subject or grade level, that have been submitted by students, teachers and parents. You can find a great idea here or you can share your own ideas.
- My Science Fair Project
- Easy Science Fair Projects
- Best Project Ideas
- Home Science Project Ideas
- Middle School Science Projects
- Grade School Project Ideas
- Preschool Science Projects
- Cool Science Fair Projects
- Shopping Science Fair Projects
- Free Science Fair Projects
What Science Fair Judges Look For

Find out what science fair judges are looking for or learn how you can become a science fair judge yourself.
- 10 Ways to Impress a Science Fair Judge
- What Judges Look For in a Project
- Types of Science Fair Projects
- How to Judge a Science Fair
Free Science Fair Projects

Find a science fair project idea for a project that won't cost you anything to do! Whether the project is free or not will depend on the materials you have on hand. Remember, you can conduct research using books or the internet to gather information. Excellent experiments may be designed simply by finding new ways to analyze data that already exists.
