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305 filtered results
5th grade
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Windmill Model Science Project
Windmill Model Science Project
Science Project
Windmill Model Science Project
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
5th grade
Science Project
Ice Melting
Ice Melting
Science Project
Ice Melting
Will the shape of an ice cube impact how fast the ice melts?
5th grade
Science Project
Sink or Swim: Calculating Density of Fruits and Vegetables
Sink or Swim: Calculating Density of Fruits and Vegetables
Science Project
Sink or Swim: Calculating Density of Fruits and Vegetables
Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.
5th grade
Science
Science Project
Plant Phototropism Experiment
Plant Phototropism Experiment
Science Project
Plant Phototropism Experiment
What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!
5th grade
Science Project
Plane Mirror Reflection Experiment
Plane Mirror Reflection Experiment
Science Project
Plane Mirror Reflection Experiment
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
5th grade
Science
Science Project
Testing the Solubility of Common Liquid Solvents
Testing the Solubility of Common Liquid Solvents
Science Project
Testing the Solubility of Common Liquid Solvents
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
5th grade
Science
Science Project
Homemade Vacuum Chamber
Homemade Vacuum Chamber
Science Project
Homemade Vacuum Chamber
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
5th grade
Science Project
Specific Heat of Water vs. Specific Heat of Sand
Specific Heat of Water vs. Specific Heat of Sand
Science Project
Specific Heat of Water vs. Specific Heat of Sand
What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.
5th grade
Science Project
Microwave Plant Experiment: Radish Seed Germination
Microwave Plant Experiment: Radish Seed Germination
Science Project
Microwave Plant Experiment: Radish Seed Germination
In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?
5th grade
Science Project
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
Science Project
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
This science fair project idea experiments with spinning color wheels and optical illusions.
5th grade
Science
Science Project
Water Purification Experiment: Removing Chlorine From Water
Water Purification Experiment: Removing Chlorine From Water
Science Project
Water Purification Experiment: Removing Chlorine From Water
Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?
5th grade
Science Project
Effect of Artificial Light on Plant Growth
Effect of Artificial Light on Plant Growth
Science Project
Effect of Artificial Light on Plant Growth
Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.
5th grade
Science Project
Invisible Fingerprints: CSI Style!
Science Project
Invisible Fingerprints: CSI Style!
Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.
5th grade
Science Project
Which Wintergreen Candy Sparks the Brightest in the Dark?
Which Wintergreen Candy Sparks the Brightest in the Dark?
Science Project
Which Wintergreen Candy Sparks the Brightest in the Dark?
This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.
5th grade
Science Project
Color and Heat Absorption
Color and Heat Absorption
Science Project
Color and Heat Absorption
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
5th grade
Science Project
Can Dog Drool Kill Germs?
Can Dog Drool Kill Germs?
Science Project
Can Dog Drool Kill Germs?
This science experiment tests if dog saliva can really help heal wounds.
5th grade
Science Project
How to Make a Rubber Band Car
How to Make a Rubber Band Car
Science Project
How to Make a Rubber Band Car
Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.
5th grade
Science Project
Which Fruit Molds the Fastest?
Which Fruit Molds the Fastest?
Science Project
Which Fruit Molds the Fastest?
This science fair project idea explores which fruit molds the fastest.
5th grade
Science Project
Talking to Plants
Talking to Plants
Science Project
Talking to Plants
This science fair project idea explores whether talking to a plant will help it grow.
5th grade
Science
Science Project
Determine the Effect of Gray Water on Plant Growth
Determine the Effect of Gray Water on Plant Growth
Science Project
Determine the Effect of Gray Water on Plant Growth
Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.
5th grade
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.
5th grade
Science
Science Project
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Science Project
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.
5th grade
Science Project
Strong Bridges
Strong Bridges
Science Project
Strong Bridges
This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.
5th grade
Science Project
How to Build a DNA Model
How to Build a DNA Model
Science Project
How to Build a DNA Model
Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.
5th grade
Science Project
Do Packaged Seeds Expire?
Do Packaged Seeds Expire?
Science Project
Do Packaged Seeds Expire?
Find out whether packaged seeds actually do expire in this new science fair project idea.
5th grade
Science
Science Project
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Search 5th Grade Science Projects

Education.com's 5th grade science projects enable kids to apply everything they've learned over the course of their elementary school careers in order to discover some pretty cool and new things about the world around them. In addition to setting up more sophisticated experimental procedures, 5th graders can analyze their results using more sophisticated math, and may begin to acquire an appreciation for large sample sizes and their ability to produce more reliable averages. Browse our rich collection of 5th grade science fair projects by clicking the boxes to the left to filter your results by scientific subtopic to find fantastic 5th grade science fair projects or enlightening 5th grade science experiments for your young scientist.