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Fourth Grade Science Fair Project Ideas

Great selection of fourth grade science fair project ideas. These science fair projects can help you find fourth grade level ideas for your science fair.

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The goal of this science fair project is to test the effectiveness of various search engines.
Effectivess of Various Search Engines
Fourth Grade
Elementary School
This project examines whether people's taste perception is influenced by what they see.
Taste Perception
Fourth Grade
Elementary School
This project explores whether people's choice of a 'random' number is not as random as it seems.
17: The Most Popular Random Number
Fourth Grade
Elementary School
This project examines the common belief that with increasing age, people are less willing to adopt new technology.
Age and the Willingness to Adopt Technology
Fourth Grade
Fifth Grade
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
The Psychology of Feeling Watched
Fourth Grade
Fifth Grade
Are crickets affected by temperature? Test your knowledge! This project examines whether temperature has any effect on the chirping of crickets.
Effect of Temperature on Chirping Crickets
Fourth Grade
Elementary School
Do goldfish have a preference for different water temperature readings? Find what temperature goldfish prefer.
Sounds Fishy: Do Goldfish Have Water Temperature Preferences?
Fourth Grade
Fifth Grade
Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.
Is there a Relationship between Tempo and Genre?
Fourth Grade
Elementary School
This science fair project idea examines whether boys and girls differ in reflexes.
Guys vs. Girls: Who Has Better Reflexes?
Fourth Grade
Elementary School
The objective of this experiment is to determine whether there is more advertising content per hour during the day in comparison to the evening prime-time viewing.
Comparison of Programming to Advertising Content
Fourth Grade
Elementary School
Learn whether writing things down really makes things easier to remember.
Does Writing Things Down Really Make It Easier To Remember Later?
Fourth Grade
Fifth Grade
This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.
How Much Sugar?
Fourth Grade
Elementary School
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Cats & Dogs
Fourth Grade
Elementary School
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Can You Keep a Secret?
Fourth Grade
Kindergarten
The objective of this science fair project is to determine whether right-handed teachers can pay attention to the class while writing on the board.
The Even-Handed Teacher
Fourth Grade
Elementary School

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