Science Fair Project Ideas

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Can You Keep a Secret?
Science Project
Can You Keep a Secret?
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
1st grade
Science
Science Project
Optical Illusions
Optical Illusions
Science Project
Optical Illusions
Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.
Kindergarten
Science
Science Project
Radio Waves, It's In The Air: Build A Basic Radio
Radio Waves, It's In The Air: Build A Basic Radio
Science Project
Radio Waves, It's In The Air: Build A Basic Radio
The purpose of this science fair project is to build a basic radio.
5th grade
Science
Science Project
Connecting Batteries in Series
Connecting Batteries in Series
Science Project
Connecting Batteries in Series
This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.
Science
Science Project
The Answer is Blowing in the Wind
The Answer is Blowing in the Wind
Science Project
The Answer is Blowing in the Wind
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
5th grade
Science
Science Project
Nine: The Biggest Little Number
Nine: The Biggest Little Number
Science Project
Nine: The Biggest Little Number
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
5th grade
Science
Science Project
Geography, Latitude, and the North Star: Where Am I?
Geography, Latitude, and the North Star: Where Am I?
Science Project
Geography, Latitude, and the North Star: Where Am I?
Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.
2nd grade
Science
Science Project
How A Kazoo Makes Sounds
How A Kazoo Makes Sounds
Science Project
How A Kazoo Makes Sounds
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
2nd grade
Science
Science Project
Microscopic Life is Everywhere
Microscopic Life is Everywhere
Science Project
Microscopic Life is Everywhere
Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.
5th grade
Science
Science Project
Outer Space In My Yard
Science Project
Outer Space In My Yard
Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.
3rd grade
Science
Science Project
Small Packages
Small Packages
Science Project
Small Packages
This science fair project idea attempts to develop a new or improved eco-friendly packing material.
Science
Science Project
How Good is Your Sense of Smell?
How Good is Your Sense of Smell?
Science Project
How Good is Your Sense of Smell?
This science fair project idea determines if family members can recognize one another using only the sense of smell.
5th grade
Science
Science Project
Blindfolded Taste Test
Blindfolded Taste Test
Science Project
Blindfolded Taste Test
This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.
4th grade
Science
Science Project
Off All the Nerve
Off All the Nerve
Science Project
Off All the Nerve
This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.
5th grade
Science
Science Project
How Does Color Affect Memory?
How Does Color Affect Memory?
Science Project
How Does Color Affect Memory?
This science fair project idea determines the way in which color affects memorization.
Social studies
Science Project
Marie Laure Ryan Experiment
Marie Laure Ryan Experiment
Science Project
Marie Laure Ryan Experiment
This science fair project idea studies how how do readers predict what events will happen next while reading a story.
Social studies
Science Project
Music Tempo & Task Performance
Music Tempo & Task Performance
Science Project
Music Tempo & Task Performance
This science fair project idea assesses the effect of music on work performance.
Science
Science Project
Osmosis: Why Do Our Fingers Prune When Immersed in Water?
Osmosis: Why Do Our Fingers Prune When Immersed in Water?
Science Project
Osmosis: Why Do Our Fingers Prune When Immersed in Water?
This science fair project idea demonstrates how our fingers prune when in water.
Science
Science Project
Pay Attention!
Pay Attention!
Science Project
Pay Attention!
This science fair project idea determines effective strategies to help students stay awake and attentive.
Science
Science Project
Preserving Foods
Preserving Foods
Science Project
Preserving Foods
This science fair project idea determines the most effective method of preserving food.
4th grade
Science
Science Project
Shedding Light on Energy Efficient Bulbs
Shedding Light on Energy Efficient Bulbs
Science Project
Shedding Light on Energy Efficient Bulbs
This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.
Science
Science Project
Brilliant Bird Beaks: An Experiment to Understand Animal Adaptation
Brilliant Bird Beaks: An Experiment to Understand Animal Adaptation
Science Project
Brilliant Bird Beaks: An Experiment to Understand Animal Adaptation
This science fair project idea identifies and understands adaptations in birds.
Science
Science Project
Feeder Bird Identification and Food Preference
Feeder Bird Identification and Food Preference
Science Project
Feeder Bird Identification and Food Preference
This science fair project idea investigates food preference of birds.
Science
Science Project
Decomposition Rates of Biodegradable Materials
Decomposition Rates of Biodegradable Materials
Science Project
Decomposition Rates of Biodegradable Materials
This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.
4th grade
Science
Science Project
Dichotomous Key
Dichotomous Key
Science Project
Dichotomous Key
Use a dichotomous key to identify plants or animals.
Science
Science Project

Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.