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1,564 filtered results
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Discovering the Best Water for Plants
Discovering the Best Water for Plants
Science Project
Discovering the Best Water for Plants
Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?
Kindergarten
Science Project
Earthworms and Plant Growth - Are They Related?
Earthworms and Plant Growth - Are They Related?
Science Project
Earthworms and Plant Growth - Are They Related?
Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?
1st grade
Science Project
The Science Behind Keeping Flowers Fresh
The Science Behind Keeping Flowers Fresh
Science Project
The Science Behind Keeping Flowers Fresh
When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?
2nd grade
Science Project
Is it Possible to Blow a Square Bubble?
Is it Possible to Blow a Square Bubble?
Science Project
Is it Possible to Blow a Square Bubble?
Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?
2nd grade
Science Project
Create Your Own Earth Model
Create Your Own Earth Model
Science Project
Create Your Own Earth Model
In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.
3rd grade
Science Project
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
Science Project
Experimenting with Ant Food: Do Ants Have Favorite Flavors?
People have favorite flavors, but what about ants? Which ant food is the most popular?
1st grade
Science Project
Does Hot Water Freeze Faster Than Cold Water?
Does Hot Water Freeze Faster Than Cold Water?
Science Project
Does Hot Water Freeze Faster Than Cold Water?
Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!
3rd grade
Science Project
What Do Worms Eat? A Compost Project
What Do Worms Eat? A Compost Project
Science Project
What Do Worms Eat? A Compost Project
What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.
1st grade
Science Project
Crayon Rock Cycle Experiment
Crayon Rock Cycle Experiment
Science Project
Crayon Rock Cycle Experiment
Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?
3rd grade
Science Project
Watching Birds at a Sit Spot
Watching Birds at a Sit Spot
Science Project
Watching Birds at a Sit Spot
Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.
1st grade
Science Project
Erosion Experiment
Erosion Experiment
Science Project
Erosion Experiment
Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.
2nd grade
Science Project
Mouth Bacteria?
Mouth Bacteria?
Science Project
Mouth Bacteria?
Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.
4th grade
Science
Science Project
Shadow Science: What Makes Shade Shift?
Shadow Science: What Makes Shade Shift?
Science Project
Shadow Science: What Makes Shade Shift?
What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.
1st grade
Science Project
Earthworms and Light: Do Worms Prefer Darkness?
Earthworms and Light: Do Worms Prefer Darkness?
Science Project
Earthworms and Light: Do Worms Prefer Darkness?
Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.
2nd grade
Science Project
Color Changing Milk Experiment
Color Changing Milk Experiment
Science Project
Color Changing Milk Experiment
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
2nd grade
Science Project
Does Hair Color Affect Static Electricity?
Does Hair Color Affect Static Electricity?
Science Project
Does Hair Color Affect Static Electricity?
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
2nd grade
Science Project
Word Color Association: Are You Feeling Orange?
Word Color Association: Are You Feeling Orange?
Science Project
Word Color Association: Are You Feeling Orange?
Word color association is just a fancy way to talk about the way we connect colors with words.
1st grade
Social studies
Science Project
Spider Science: Exploring the World of Webs
Spider Science: Exploring the World of Webs
Science Project
Spider Science: Exploring the World of Webs
Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!
3rd grade
Science Project
Candy Science: A Halloween Experiment
Candy Science: A Halloween Experiment
Science Project
Candy Science: A Halloween Experiment
With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!
1st grade
Science Project
Car Friction: The Science of Going Fast
Car Friction: The Science of Going Fast
Science Project
Car Friction: The Science of Going Fast
Start your toy engines -- this is going to be a fast and friction-filled race!
2nd grade
Science Project
Germs on Hands
Germs on Hands
Science Project
Germs on Hands
In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.
2nd grade
Science Project
Magic Comb
Magic Comb
Science Project
Magic Comb
This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.
1st grade
Science Project
Melting Ice Experiment
Melting Ice Experiment
Science Project
Melting Ice Experiment
How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.
3rd grade
Science Project
Hydrogen Peroxide and Yeast
Science Project
Hydrogen Peroxide and Yeast
Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.
3rd grade
Science
Science Project
Ivory Soap Experiment
Ivory Soap Experiment
Science Project
Ivory Soap Experiment
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
3rd grade
Science
Science Project

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Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.