Middle School Science Fair Project Ideas

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What is Plant Transpiration?
What is Plant Transpiration?
Science Project
What is Plant Transpiration?
This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.
5th grade
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
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
Science Project
Does Ultraviolet (UV) Light Pass through Some Colors More than Others?
The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.
2nd grade
Science
Science Project
Magnetic Field Strength vs. Distance
Magnetic Field Strength vs. Distance
Science Project
Magnetic Field Strength vs. Distance
How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.
2nd grade
Science
Science Project
How Does Frost Form?
How Does Frost Form?
Science Project
How Does Frost Form?
How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.
3rd grade
Science
Science Project
Can Cooked Beans Grow?
Can Cooked Beans Grow?
Science Project
Can Cooked Beans Grow?
The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.
Science
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
How Long Will Your Trash Bag Live?
How Long Will Your Trash Bag Live?
Science Project
How Long Will Your Trash Bag Live?
This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.
4th grade
Science
Science Project
Gender Probability: Male and Female Chromosomes
Gender Probability: Male and Female Chromosomes
Science Project
Gender Probability: Male and Female Chromosomes
What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.
4th grade
Science
Science Project
Virtual Fitness
Virtual Fitness
Science Project
Virtual Fitness
The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.
Science
Science Project
Paper Towel Science Project: Capillarity
Paper Towel Science Project: Capillarity
Science Project
Paper Towel Science Project: Capillarity
This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.
3rd grade
Science
Science Project
Testing the Birthday Paradox
Testing the Birthday Paradox
Science Project
Testing the Birthday Paradox
Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.
Science
Science Project
The Ghost in the Tube
The Ghost in the Tube
Science Project
The Ghost in the Tube
In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.
1st grade
Science
Science Project
What Colors are Birds Attracted to?
What Colors are Birds Attracted to?
Science Project
What Colors are Birds Attracted to?
Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.
Science
Science Project
What Materials Block Radio Waves Most Effectively?
What Materials Block Radio Waves Most Effectively?
Science Project
What Materials Block Radio Waves Most Effectively?
In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.
Science
Science Project
How Fast Does a Seismic Wave Travel?
How Fast Does a Seismic Wave Travel?
Science Project
How Fast Does a Seismic Wave Travel?
Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.
Science
Science Project
Effect of Pollution on the pH of Rainwater
Effect of Pollution on the pH of Rainwater
Science Project
Effect of Pollution on the pH of Rainwater
This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.
5th grade
Science
Science Project
Ability of Curry and Cinnamon to Inhibit Bacterial Growth
Ability of Curry and Cinnamon to Inhibit Bacterial Growth
Science Project
Ability of Curry and Cinnamon to Inhibit Bacterial Growth
Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.
Science
Science Project
Biodiversity in a Drop of Water
Biodiversity in a Drop of Water
Science Project
Biodiversity in a Drop of Water
This science fair project idea compares biodiversity between drops of water.
5th grade
Science
Science Project
Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?
Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?
Science Project
Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?
This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.
Science
Science Project
Build an Insect Model
Build an Insect Model
Science Project
Build an Insect Model
In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.
2nd grade
Science
Science Project
TV Commercials and Advertising Psychology Experiment
TV Commercials and Advertising Psychology Experiment
Science Project
TV Commercials and Advertising Psychology Experiment
In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.
Social studies
Science Project
How Do the Phases of the Moon Affect the Tides?
How Do the Phases of the Moon Affect the Tides?
Science Project
How Do the Phases of the Moon Affect the Tides?
How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!
5th grade
Science
Science Project
Soil pH: Acid or Alkaline?
Soil pH: Acid or Alkaline?
Science Project
Soil pH: Acid or Alkaline?
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
4th grade
Science
Science Project
Growing Crystals
Growing Crystals
Science Project
Growing Crystals
Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.
5th grade
Science Project

Middle School Science Fair Project Ideas

Great selection of middle school science fair project ideas. These science fair projects can help you find middle school level ideas for your science fair.