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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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Study the process of osmosis and determine how placing cells into hypotonic and hypertonic solutions affects osmosis in this middle school science project.
Cell Homesostasis: A Steady State
Middle School
Life Science
This science project establishes a 'breakability index' - basically to assess how much damage is done in different circumstances.
The Efficacy of Common Packaging Materials
Middle School
High School
In this free science fair project idea, we learn about pendulums and how they swing and oscillate at a specific rate.
Pendulum: A Harmonic Oscillator
Middle School
Physics
The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.
Does Carbon Dioxide Raise the Temperature of the Atmosphere?
High School
Hard
In this free science fair project idea, we learn about how the Greek mathematician Eratosthenes determined the size and shape of the earth with geometry.
Ancient Techniques of Determining Earth's Size and Shape
Middle School
Earth & Space Science
In this free science fair project idea, we model how electrons transmit charges with magnets, to reflex the movement of an electric current.
Electric Current: Movement of Charges
Middle School
Physics
In this free science fair project idea, we learn about the rock cycle and how igneous rocks become porphyritic rocks.
The Rock Cycle: Processes That Change One Rock Type into Another
Middle School
Earth & Space Science
In this free science fair project idea, we learn about the layers of the earth and what is in each one.
Earth Layers
Middle School
Earth & Space Science
In this free science fair project idea, we learn about how the blowholes of whales work.
Super Spout: What Is In a Whale’s Spout?
Elementary School
Zoology
In this free science fair project idea, we build a pantograph machine which can enlarge our writing and drawing.
Enlarger: How Does a Pantograph (a Machine Used To Change the Size of Drawings) Work?
Elementary School
Engineering
In this free science fair project idea, we learn about star 'movement' and how we can calculate the distance of stars from the earth using a parallax.
Mobile Stars: The Apparent Movement of Stars
Middle School
Earth & Space Science
In this free science fair project idea, we learn about the heliocentric model of the solar system and model it.
Heliocentric: The Movement of the Earth Around the Sun
Middle School
Earth & Space Science
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Homemade Butter
Third Grade
Fourth Grade
In this free science fair project idea, we model what a comet looks like.
Dirty Snowballs: What is a Comet Made Of?
Elementary School
Astronomy
In this free science fair project idea, we learn about how Saturn's rings of ice and rocks encircle the planet.
Ringed: How do the Rings of Saturn Lie Around the Planet?
Elementary School
Astronomy

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