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305 filtered results
5th grade
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Total Alkalinity and pH of Personal Care Products
Science Project
Total Alkalinity and pH of Personal Care Products
Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.
5th grade
Science Project
Which Food Will Mold the Fastest?
Which Food Will Mold the Fastest?
Science Project
Which Food Will Mold the Fastest?
This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.
5th grade
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.
5th grade
Science
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
Identifying Rocks and Minerals
Identifying Rocks and Minerals
Science Project
Identifying Rocks and Minerals
Check out this cool science fair project on identifying rocks and minerals for kids.
5th grade
Science
Science Project
Salinity and Hatching Brine Shrimp Eggs
Salinity and Hatching Brine Shrimp Eggs
Science Project
Salinity and Hatching Brine Shrimp Eggs
Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.
5th grade
Science
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
Caffeine and Heart Rate: What Is the Effect of Caffeine on Heart Rate?
Caffeine and Heart Rate: What Is the Effect of Caffeine on Heart Rate?
Science Project
Caffeine and Heart Rate: What Is the Effect of Caffeine on Heart Rate?
Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.
5th grade
Science Project
Balloon Rocket Experiment
Balloon Rocket Experiment
Science Project
Balloon Rocket Experiment
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
5th grade
Science Project
Tensile Strength Test
Tensile Strength Test
Science Project
Tensile Strength Test
In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!
5th grade
Science Project
Heat Capacity of Water vs. Heat Capacity of Oil
Heat Capacity of Water vs. Heat Capacity of Oil
Science Project
Heat Capacity of Water vs. Heat Capacity of Oil
Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.
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
Why Do Greens Turn Brown?
Why Do Greens Turn Brown?
Science Project
Why Do Greens Turn Brown?
This science fair project teaches students about wilting and browning of salad greens.
5th grade
Science Project
Does Electricity Move Better through Thick Wires or Thin Ones?
Does Electricity Move Better through Thick Wires or Thin Ones?
Science Project
Does Electricity Move Better through Thick Wires or Thin Ones?
Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.
5th grade
Science Project
Radio Waves, It's In The Air: Build A Basic Radio
Radio Waves, It's In The Air: Build A Basic Radio
Science Project
Radio Waves, It's In The Air: Build A Basic Radio
The purpose of this science fair project is to build a basic radio.
5th grade
Science
Science Project
The Answer is Blowing in the Wind
The Answer is Blowing in the Wind
Science Project
The Answer is Blowing in the Wind
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
5th grade
Science
Science Project
Nine: The Biggest Little Number
Nine: The Biggest Little Number
Science Project
Nine: The Biggest Little Number
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
5th grade
Science
Science Project
Microscopic Life is Everywhere
Microscopic Life is Everywhere
Science Project
Microscopic Life is Everywhere
Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.
5th grade
Science
Science Project
Outer Space In My Yard
Science Project
Outer Space In My Yard
Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.
5th grade
Science
Science Project
The Fungus Among Us
The Fungus Among Us
Science Project
The Fungus Among Us
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
5th grade
Science
Science Project
Surface Features of the Moon Model
Science Project
Surface Features of the Moon Model
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
5th grade
Science Project
How to Make a Hygrometer: Sling Psychrometer
How to Make a Hygrometer: Sling Psychrometer
Science Project
How to Make a Hygrometer: Sling Psychrometer
Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.
5th grade
Science Project
Rubber Band Heat Engine
Rubber Band Heat Engine
Science Project
Rubber Band Heat Engine
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
5th grade
Science Project
Series and Parallel Circuits
Series and Parallel Circuits
Science Project
Series and Parallel Circuits
How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!
5th grade
Science
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
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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.