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Science Fair Project Ideas

Find the science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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How are rocks formed? In this free science fair project, you can learn how to make rocks by collecting a mixture of minerals. Great science project for kids.
Building a Rock and Mineral Collection
Middle School
Easy
What is vegetative reproduction or cloning? How does cloning work in plants? Do this free science fair project and explore plant cloning.
Clone a Plant
Middle School
Easy
In this free science fair project, identify each of the Galilean satellites by name and discover their motions during an Earth day.
Galilean Satellites: Jupiter's Largest Moons
Middle School
Astronomy
Determine the relationship between the speed of a sound and the temperature of the air it passes through.
The Effect of Temperature on the Speed of Sound
Middle School
High School
This science fair project idea compares the cuteness reaction between genders.
Cuteness Factor: How do we perceive cute?
High School
Hard
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Ripening Avocados
Second Grade
Food
In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.
Measuring Heart Rate with Doppler Ultrasound
Middle School
Sixth Grade
In this free science fair project, explore the phases of Venus by modeling the phases of Venus as a morning and evening star.
Phases of Venus: Changes in Shape and Size
Middle School
Astronomy
Are the senses of taste and smell interconnected? This science experiment investigates whether people can identify taste when they cannot smell the foods.
Does Smell Affect the Way You Perceive Taste?
Elementary School
Middle School
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
Homemade Lava Lamp
Elementary School
Fourth Grade
This science fair project idea discovers the average time it takes for a person to remember something completely.
How Long Does It Take To Remember Something?
Middle School
High School
This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.
Testing the Relationship Between Eye Color and Sight
Middle School
Sixth Grade
The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.
Do phases of the moon affect circadian patterns in mammals?
Middle School
Astronomy
What affects the phases of the moon? In this free science fair project, experiment with how the position of the sun, moon, and earth affects the moon phase.
Determine How the Positions of the Sun, the Moon, and Earth Affect Moon Phases
Middle School
Easy
This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.
Which Wheel Works Best? An Exploration Into Skateboarding
Middle School
High School

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