Science Fair Project Ideas

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Using A Dichotomous Key To Identify Trees
Using A Dichotomous Key To Identify Trees
Science Project
Using A Dichotomous Key To Identify Trees
This science fair project idea identifies trees using a dichotomous key.
4th grade
Science
Science Project
Understanding Sonar Mapping of the Ocean Floor
Understanding Sonar Mapping of the Ocean Floor
Science Project
Understanding Sonar Mapping of the Ocean Floor
This science fair project idea demonstrates sonar mapping of the ocean floor.
Science
Science Project
Desalination
Desalination
Science Project
Desalination
This science fair project idea produces consumable fresh water from salt water through desalination.
Science
Science Project
Atmosperhic Layers
Atmosperhic Layers
Science Project
Atmosperhic Layers
This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
4th grade
Science
Science Project
Does Land or Water Warm Faster?
Does Land or Water Warm Faster?
Science Project
Does Land or Water Warm Faster?
This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.
Science
Science Project
The Scratch Test: Testing a Rock's Hardness
The Scratch Test: Testing a Rock's Hardness
Science Project
The Scratch Test: Testing a Rock's Hardness
This science fair project idea investigates the hardness property of minerals.
3rd grade
Science
Science Project
How Water Beats Rock
How Water Beats Rock
Science Project
How Water Beats Rock
This science fair project idea explores how water and ice can change the form of rocks.
Science
Science Project
Chemical Weathering
Chemical Weathering
Science Project
Chemical Weathering
This science fair project idea uses the process of chemical weathering to change a mineral.
Science
Science Project
Demonstrating Water Erosion Of Land Masses
Demonstrating Water Erosion Of Land Masses
Science Project
Demonstrating Water Erosion Of Land Masses
This science fair project idea demonstrates the process of land erosion.
Science
Science Project
Making A Rock In A Cup
Making A Rock In A Cup
Science Project
Making A Rock In A Cup
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
4th grade
Science
Science Project
Creating Sound Through Vibrations
Creating Sound Through Vibrations
Science Project
Creating Sound Through Vibrations
This science fair project idea produces sounds by creating vibrations using different objects.
5th grade
Science
Science Project
Air Is Everywhere!
Air Is Everywhere!
Science Project
Air Is Everywhere!
This science fair project idea provides evidence that air is everywhere and takes up space.
4th grade
Science
Science Project
Examining Mass And Density Of Popped And Unpopped Popcorn
Examining Mass And Density Of Popped And Unpopped Popcorn
Science Project
Examining Mass And Density Of Popped And Unpopped Popcorn
This science fair project idea compares the mass and density of objects.
Science
Science Project
Separating Mixtures
Separating Mixtures
Science Project
Separating Mixtures
This science fair project idea explores the different properties of matter.
5th grade
Science
Science Project
Transferring Energy Through Sound
Transferring Energy Through Sound
Science Project
Transferring Energy Through Sound
This science fair project idea shows how a vibrating object transfers energy to whatever it touches.
Science
Science Project
Changing the Pitch of Sound
Changing the Pitch of Sound
Science Project
Changing the Pitch of Sound
This science fair project idea produces varying pitches of sound.
4th grade
Science
Science Project
Hot or Not?
Hot or Not?
Science Project
Hot or Not?
The objective of this experiment is to determine how effective hot water is in killing various kinds of microorganisms.
5th grade
Science
Science Project
The Effect of Acid Rain on Marigold Plants
The Effect of Acid Rain on Marigold Plants
Science Project
The Effect of Acid Rain on Marigold Plants
The objective of this science fair project is to examine the effects of acid rain on the growth of marigold plants.
Science
Science Project
Warming Up!
Warming Up!
Science Project
Warming Up!
The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.
Science
Science Project
Can Smokers Hold their Breath as long as Non-Smokers?
Can Smokers Hold their Breath as long as Non-Smokers?
Science Project
Can Smokers Hold their Breath as long as Non-Smokers?
Who can hold their breath longer, smokers or non-smokers? Find out in this science fair project idea!
5th grade
Science
Science Project
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Science Project
Are People Who Snore Usually Less Capable of Long Periods of Exercise?
Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.
Science
Science Project
Making Plants Grow
Making Plants Grow
Science Project
Making Plants Grow
The objective of this science project is to determine the length of time for different seeds to germinate.
1st grade
Science
Science Project
An Investigation into the Factors Affecting  the Dispersion of Oil in Water Ecosystems
An Investigation into the Factors Affecting the Dispersion of Oil in Water Ecosystems
Science Project
An Investigation into the Factors Affecting the Dispersion of Oil in Water Ecosystems
The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.
Science
Science Project
Building a Simulated Volcano
Building a Simulated Volcano
Science Project
Building a Simulated Volcano
The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.
1st grade
Science
Science Project
Smart Card? A Study of ElectroMagnetic Fields Produced by RFID Transmitters
Science Project
Smart Card? A Study of ElectroMagnetic Fields Produced by RFID Transmitters
The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.
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.