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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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The purpose of this science fair project is to determine how the sun's direction affects temperature.
How Does the Sun's Direction Affect Temperature?
Elementary School
First Grade
The purpose of this science fair project is to investigate how salt concentration affects the rate at which brine shrimp eggs hatch.
How Does a Salt Concentration Affect the Hatching of Brine Shrimp Eggs?
Elementary School
Third Grade
In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.
Edge Effect
Fourth Grade
Hard
This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.
Can Hydrogel Crystals be used as a Drug Delivery System?
Middle School
Medium
This science fair project idea determines which method of hand cleansing is the most effective.
Effective Hand Washing
Elementary School
First Grade
The objective of this science fair project is to examine the cleanliness of salad preparation techniques.
What Method of Preparing Salad Eliminates the Most Bacteria?
High School
Microbiology
What is an anemometer? It's a device use to measure wind speed. Learn how to make an anemometer in this free science fair project.
Building an Anemometer
Middle School
Easy
Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.
Is It Safe To Eat Something Dropped On The Floor As Long As You Pick It Up Within 5-Seconds?
Elementary School
Fourth Grade
This experiment evaluates if personality influences whether a person prefers dogs or cats.
Studying the Difference Between "Dog People" and "Cat People"
High School
Ninth Grade
The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.
The Photosynthesis Process and the Importance of Leaves
Elementary School
Fifth Grade
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Fourth Grade
Fifth Grade
Does earth's rotation affect the launching of a space rocket? How does it affect the launching? Do this free science fair project and explore these questions.
Demonstrate How Earth's Rotation Affects Launching a Rocket into Space
Middle School
Easy
What is an optical illusion? Optical illusion is your eyes is playing trick. Do this free science fair project and experiment with creating optical illusion.
Create an Optical Illusion
Middle School
Easy
In this science fair project middle and high school students learn about the centripetal force and the actual direction of an object moving in a circular path.
Determine the Actual Direction of an Object Moving in a Circular Path
Middle School
High School
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Flow Rate and Plant Growth
Sixth Grade
Seventh Grade

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