Search for Science Fair Projects

1000 Science Fair Projects with Complete Instructions

80 Science Fair Projects for 5th Graders

80 Science Fair Projects for 5th Graders

Explore our specially selected science projects for fifth graders, with complete instructions and informative videos!

Can Fish Tell Time?
Can fish recognize when it's time to eat? Find out by creating a feeding schedule and observing your fish's behavior!
Easy
Levitating Train
Build a train that floats above a pair of magnetic tracks and can be pushed from one end to the other!
Easy
Uncovering Fall Colors
Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf!
Medium
Storing Bread Safely
Learn how to keep bread from spoiling by storing it in different environments!
Easy
How Temperature Affects Taste
Do you like your food hot or cold? Find out how temperature affects your taste buds in this fun experiment!
Medium
Make Plastic From Milk
Did you know that milk from the fridge can be transformed into plastic? How cool is that?
Easy
Windy Wonders: Plant Growth
Have you ever wondered how wind affects plants? In this experiment, you'll find out by comparing two plants in different wind conditions.
Easy
The Doppler Effect
Have you ever noticed that sound changes when you move? Find out why with this fun science project!
Medium
Staining Teeth with Beverages
Let's find out which beverage leaves the most stains on our teeth!
Easy
Colorful Temperature
Let's find out how the color of a building affects the temperature inside!
Easy
Dancing Spaghetti
Make spaghetti dance with baking soda and vinegar!
Medium
Breakfast and School Performance
Does eating breakfast help students do better in school? Find out in this science project!
Easy
Collecting Micrometeorites
Have you ever seen a shooting star? What if you could collect the tiny rocks that make them?
Easy
Water Strider Challenge: Make a Bug Walk on Water!
Can you make a pipe cleaner foil bug walk on water? Find out with this engineering challenge by building your own water strider and exploring the science of surface tension.
Medium
Solar Oven Hot Dog Cooker
Make a hot dog cooker that uses the power of the sun! You can use this solar oven to cook other things too!
Medium
Fun with Dry Ice
Learn how to make a balloon inflate, a film can pop, and a spoon sing with dry ice!
Medium
Sea Shells with Vinegar
Did you know that something interesting happens when you place a sea shell into vinegar? Explore chemical reactions involving acids and bases in this fun experiment!
Easy
Jumping Rice Krispies
Make Rice Krispies jump with static electricity!
Easy
Electricity from a Lemon
Discover the incredible power of lemons! With lemons and basic materials, you can create an eco-friendly battery that powers an LED light!
Easy
Magic Milk Experiment
See colors magically move in milk with soap! This fun experiment demonstrates surface tension in a vivid way!
Easy
Play-doh Solar System Scale Model
Explore our solar system with Play-doh! Make a scale model of planets and moons and learn about their size and distance from each other.
Easy
How Many Earths Fit Across the Sun?
Have you ever wondered how big the Sun really is? See how many Earths can go across the Sun!
Easy
Tooth Decay Experiment With Eggs
Can your favorite drinks harm your teeth? Find out using hard boiled eggs in this science project!
Medium
Egg Drop Project: Protect the Egg!
Can you protect a raw egg from breaking when dropped from high up? Have fun in this engineering challenge!
Easy
Static Electricity: What's Attracting?
Have you ever wondered what materials have the most static electricity? Find out by rubbing a balloon on different materials and counting how many pieces of paper it attracts!
Medium
Colors of Skittles Experiment
Did you know that some Skittles have a secret rainbow hiding inside them? It's true!
Easy
Build a Gauss Rifle
Make a magnetic chain reaction to launch a steel marble at a target at high speed!
Easy
Changing the Color of Flowers
Did you know you can change the color of flowers? With this science experiment, you can!
Easy
Finding Your Blind Spot
Have you ever wondered why you can't see certain things? In this project, you'll explore the blind spot in your vision and learn how to find it!
Medium
Build a Steam-Powered Rocket Boat
Make a boat that uses steam to power it through the water! Learn about energy and propulsion with this fun project.
Easy
Hamsters and Time of Day
Do you want to know when hamsters are most alert? Find out by timing how long it takes a hamster to negotiate a maze at different times of day!
Medium
Comparing Bridge Strengths
Let's find out which bridge design can hold the most weight!
Easy
Exploring the Moon's Phases
Learn about the different phases of the Moon and why they happen!
Easy
Collecting Micrometeorites
Have you ever wanted to collect tiny pieces of space? Now you can!
Easy
Is a dog's mouth cleaner than a human's?
Do humans or dogs have more bacteria in their mouth? This fun science project will help you discover the answer by exploring the bacteria in both a dog's mouth and ...
Medium
Super Hero Egg Shells
Learn how arches are used to support heavy things with this fun experiment using egg shells!
Easy
Soda and Teeth: A Science Experiment
Ever wondered which soda is the worst for your teeth? Find out in this fun science experiment!
Medium
Popping Popcorn
What makes popcorn pop? Find out how to make the perfect popcorn!
Easy
Singing Glass
Make music with water and a glass! Learn how to turn a drinking glass into an instrument.
Medium
Video Games and Blood Pressure
Does playing video games make your blood pressure go up? Find out in this fun experiment!
Easy
Memorizing with Rhyme and Rhythm
Does singing a poem help you remember it better than just reading it? Let's find out!
Easy
Erosion: A Battle of Forces
Let's explore how the forces of nature shape the land around us! We'll use sand, water, ice, and wind to observe how erosion works.
Easy
Make Your Own Fossil
Have you ever wanted to make something that lived millions of years ago? Now you can! Learn how to make your own fossil with this fun science project.
Easy
Porosity and Permeability of Rocks: Holding Water, Gas and Oil
Can some rocks hold more oil, gas and water than others? Find out in this rock porosity and permeability experiment!
Medium
Fizzy Rocks: Vinegar on Rocks
Find out if rocks have calcium carbonate, also known as calcite, in them with a simple fizz test!
Medium
The Effects of Phosphoric Acid on Tooth Enamel
Does the acid in soda really cause tooth decay? Find out in this experiment!
Medium
Measuring Rock Density
Rocks are irregularly shaped. How can you measure the density of a rock? (Density = weight / volume) Discover the answer by using water displacement and weighing the rock to ...
Medium
Temperature and Water Movement
Let's explore how hot and cold water affects the movement of water!
Easy
Can I Make Less Trash?
Can you tell which object is better for our environment? Test your recycling sense with this fun experiment!
Easy
Explosive Elephant Toothpaste
Get ready to create a massive, bubbling tube of toothpaste using only hydrogen peroxide, yeast and dish soap!
Easy
Oreo Moon Phases
Discover the tasty way to learn about the Moon phases using Oreo cookies! Create your very own edible Moon models to learn the different Moon phases.
Easy
Geode Rock Borax Crystal
Make your own sparkling geode rock crystals at home with Borax and see science in action!
Easy
Egg with Vinegar
Explore this fascinating egg experiment with vinegar that makes a bouncy egg! Discover the science of acid and base chemical reactions and protein denaturation!
Easy
The Chocolate Rock Cycle
Have you ever heard of rocks made of chocolate? Use chocolate to learn about the rock cycle in this delicious science project!
Easy
Rock Candy: Sweet Science
Get ready to become a candy-making scientist! Grow your own giant sugar crystals and make rock candy you can eat!
Easy
Fruit Solar System
Explore the solar system with fruits! Pick which fruit represents each planet based on their size, then order them according to their distances from the sun.
Easy
Walking Rainbow Experiment
Watch the colors of the rainbow magically walk from cup to cup in this science project!
Easy
How to Make Oobleck: Is it a Liquid or Solid?
This simple Oobleck recipe of cornstarch and water is a fun introduction to the complex science of non-Newtonian fluids!
Easy
Sparkling Rainbow Crystal
Make your own sparkling rainbow crystals at home with Borax and see science in action!
Easy
Baking Soda Invisible Ink
Write secret messages using baking soda invisible ink and reveal them with grape juice in this cool science project!
Easy
Solar System Model with Foil, Play dough and a Balloon
Build a mini version of our solar system with planets made from play dough or foil and a balloon sun. Discover the wonders of space!
Easy
Lemon Juice Invisible Ink
Want to uncover secret messages like a super spy? Learn how to write and reveal messages using lemon juice and a hair dryer!
Easy
Pocket Solar System: A Scaled Model of Our Solar System
Ever wanted to hold the solar system in your hands? With this project, you can build your own pocket-sized model!
Medium
Freezing Rocks: Mechanical Weathering with Water
Ever wondered how water can break rocks? Discover the power of ice in this exciting experiment on weathering!
Medium
Cornstarch Quicksand: Can You Escape Its Grasp?
Mix cornstarch and water to make quicksand and see if your hands sink!
Medium
My Pet Rock in the Rock Cycle
Curious about pet rocks? Make some and learn about the rock cycle in the process!
Medium
Rock Hardness Challenge
How hard is that rock? You can learn how to classify your own rocks by their hardness just like geologists!
Medium
Starburst Rock Cycle
Make delicious rock formations using Starbursts! Learn how the earth makes rocks in a tasty way.
Easy
Crayon Rock Cycle
Discover how to make your own sedimentary, metamorphic, and igneous rocks using crayons!
Easy
One Minute Spaghetti
Science makes it possible to cook spaghetti in just a minute! Soak it first, then cook in a flash. Save the planet while enjoying your favorite dish!
Easy
Salt Volcano Lava Lamp
Create a lava lamp with an erupting volcano effect when you add salt to oil and water! It's so much fun to watch this colorful explosion caused by density!
Easy
Magical Color-Changing Lava Lamp
Watch as changing colors swirl and dance in this mesmerizing lava lamp experiment using red cabbage juice and Alka-Seltzer tablets. Discover the secrets of pH indicators and fizzy reactions!
Medium
Glow-in-the-Dark Lava Lamp
Create a mesmerizing glow-in-the-dark lava lamp that looks like a swirling snowstorm of colors!
Easy
Alka-Seltzer Lava Lamp
Watch blobs of color float and dance in a homemade lava lamp made with Alka-Seltzer tablets, oil and water!
Easy
Glitter Lava Lamp Magic
Create your own mesmerizing lava lamp with glitter and antacid tablets! Watch as colorful bubbles dance and sparkle, revealing the fascinating science behind this magical experiment.
Easy
Paper Airplane Challenge
Let's see which paper airplane can fly the farthest! Fold, decorate, and launch your own planes to find the winning design.
Easy
Baking Soda Lava Lamp
Create your own mesmerizing lava lamp with fizzy bubbles! Watch as colors swirl and bubbles rise in this exciting experiment.
Easy
Sprouting Seeds Into Plants!
Explore the magic of plant growth and watch seeds from your kitchen come to life! Sprout seeds on a paper towel, then plant them to see them thrive!
Easy
Mining Chocolate Chips from Cookies
Dig deep and find out what happens when we mine things out of the earth!
Medium
Sun Prints: Science Meets Art!
Want to make cool designs using leaves and flowers with sunlight? Explore how the Sun's UV rays affect construction paper while creating beautiful art.
Easy

5th Grade Science Fair Project FAQ


What are some easy 5th grade science fair projects?

Any one of these easy 5th grade science fair projects will teach you important scientific concepts and help you have fun while learning. An easy science fair project is a great way to introduce the wonders of science to 5th graders!

  • Storing Bread Safely

  • Windy Wonders: Plant Growth

  • Dancing Spaghetti

  • Colorful Temperature

  • Collecting Micrometeorites

  • Can Fish Tell Time?

  • Levitating Train

  • The Painted Lady Butterfly

  • Staining Teeth with Beverages

  • Breakfast and School Performance

Science fair project details right above the FAQ!


What is the best 5th grade science project ever?

We absolutely love the Uncovering Fall Colors science fair project for 5th graders. This project uses chromatography to separate the colors in leaves and helps students discover the hidden colors inside them. It's a great way to learn how to use a common experiment used in chemistry to separate substances. If it's not fall or you can't find different colored leaves, you can always use flower petals of different colors instead.

If you're looking for more 5th grade science projects, check out the 5th grade science fair projects at the top of this page! 

Check out more Best Science Fair Projects


What are some cool 5th grade science fair projects?

Get ready to be amazed by these super cool 5th grade science projects for 5th graders! With just a few simple things, introduce students to the wonders of science and have tons of fun!

  • Growing Mold

  • Is Yeast Alive?

  • Can You Taste With a Plugged Nose?

  • Storing Bread Safely

  • Dancing Spaghetti

  • Electrifying Lemon Battery

  • Making Oobleck: Liquid or Solid?

  • Egg Drop Project

  • Colors of Skittles Experiment

  • Cloud in a Bottle

Science fair project details right above the FAQ!


What are 5 testable questions for 5th grade?

A testable question is a question that we can answer through a science experiment. To do this, we do a control science experiment, then we change one thing in the experiment to see how it affects what happens. This is how we can discover the answer to our question!

  • What makes a cloud form?

  • Can drink and food taste different just by changing its color?

  • Does the color of light affect photosynthesis?

  • Does temperature affect seed sprouting?

  • What makes popcorn pop?

Here are more testable questions along with their science projects


What are the top 10 science projects for 5th grade?

These are our top 10 5th grade science projects, with projects from Biology, Chemistry and Physics. These projects can be used as science fair project ideas or as a fun experiment to explore different areas of science!

  • Can Fish Tell Time?

  • Levitating Train

  • Uncovering Fall Colors

  • Storing Bread Safely

  • How Temperature Affects Taste

  • Windy Wonders: Plant Growth

  • The Doppler Effect

  • The Painted Lady Butterfly

  • Staining Teeth with Beverages

  • Colorful Temperature

Science project details right above the FAQ!


Can I do a 5th grade science fair project in a day?

Yes! Quick experiments can be a great option for a science fair project! If you want to explore quick reactions, we have science project ideas on various topics to get you started.

  • Acid-base reactions: Mixing acids with bases quickly makes carbon dioxide gas!

Make a rocket fly sky high with just baking soda and vinegar! Rocket Film Canisters

Learn how to make your own acid/base indicator using red cabbage and use it to test different fluids! Make Your Own PH Indicator

  • Chromatography reactions: Separate out colors!

Did you know that some Skittles have a secret rainbow hiding inside them? Colors of Skittles Experiment

Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf! Uncovering Fall Colors

  • Heat reactions: Heat speeds things up!

Do you want to find out which color candle burns the fastest? Which Candle Burns the Fastest?

Ever wondered if a balloon filled with water can withstand fire? Fire-Resistant Balloons


What are some hands-on ways to find inspiration for my science fair project?

Science museums are great places to explore if you're looking for inspiration for your next science fair project or just want to learn more about science. Science museums, natural history museums, space museums, and discovery museums are all great places to do that! You can discover all sorts of interesting things about science and find cool project ideas for science fairs.

There may be free admission days or free passes to a science museum near you! Check your local library for free museum passes, nearby science museums for free entrance days and your credit card for offers.

Find a science museum near you and prepare to be awed by all that you can learn there! I always learn something new and am inspired whenever I go to a science museum!


How do I start a science fair project?

Science fair projects are a fun and unique way to discover science by asking a question and doing a science project. We'll help you find a science fair project idea and guide you through the process of doing and presenting your science fair project with Science Fair Coach's Science Fair Project Guide.


What should I do after I have a science fair project idea?

If you have a science fair project idea, Science Fair Coach can help you turn it into a full science fair project! Starting at Introduction to Science Fairs, we'll guide you through how to do a science fair project, from designing and conducting your experiment to collecting and analyzing your findings. Then, we'll help you showcase your results on a science fair board with our Guide to Science Fair Posters.


How do I make a science fair board?

Your science fair board is where you show off your science fair project for everyone to see and learn from. With our Guide to Science Fair Posters, you can make sure your science fair board stands out and impresses at the science fair!


What is the scientific method?

The 7 steps of the scientific method helps us understand how nature works. Learn how the scientific method is used in a science fair project example, and how it's evolved through history as scientists used different ways to learn about nature with our Guide to the Scientific Method!


What is the engineering design process?

The 6 steps of the engineering design process helps us design an effective solution to a problem. Learn how to use the engineering design process with the example of the egg drop challenge in our Guide to the Engineering Design Process!


Where can I find a science fair competition?

Science fair competitions are an excellent opportunity to explore science. One of the of the premier science advocacy organizations, the Society for Science, is associated with more than 400 science fair competitions in almost every US state, as well as over 70 other countries, regions, and territories. You can find out if there's a Society of Science affiliated science fair near you!

The www Virtual Library: Science Fairs website also has a collection of science fairs from all over the world, as well as national, state, regional, local, and virtual competitions!

Share this page: