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36 filtered results
3rd grade
Chemistry
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The Limewater Carbon Dioxide Test
The Limewater Carbon Dioxide Test
Science Project
The Limewater Carbon Dioxide Test
Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
3rd grade
Science
Science Project
Can Crystals Show Color Mixing?
Can Crystals Show Color Mixing?
Science Project
Can Crystals Show Color Mixing?
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
3rd grade
Science
Science Project
E-Z Dye Fabrics
E-Z Dye Fabrics
Science Project
E-Z Dye Fabrics
This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.
3rd grade
Science
Science Project
Bust That Rust!
Bust That Rust!
Science Project
Bust That Rust!
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
3rd grade
Science
Science Project
Factors Affecting Solubility
Science Project
Factors Affecting Solubility
Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.
3rd grade
Science
Science Project
How to Separate Salt from Water
How to Separate Salt from Water
Science Project
How to Separate Salt from Water
In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
3rd grade
Science
Science Project
Bleeding Paper
Bleeding Paper
Science Project
Bleeding Paper
The objective of this science fair project is to explore the relationship between acidic and basic compounds.
3rd grade
Science
Science Project
Polymer Crystals vs. Ice
Polymer Crystals vs. Ice
Science Project
Polymer Crystals vs. Ice
What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!
3rd grade
Science
Science Project
Rust Chemistry: How Does Rust Form?
Rust Chemistry: How Does Rust Form?
Science Project
Rust Chemistry: How Does Rust Form?
How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.
3rd grade
Science
Science Project
Plastic Wrap Science Fair Project: Polymer Permeability
Science Project
Plastic Wrap Science Fair Project: Polymer Permeability
In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.
3rd grade
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
Factors Affecting Solubility
Science Project
Factors Affecting Solubility
Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.
3rd grade
Science
Science Project
Popping Fresh
Popping Fresh
Science Project
Popping Fresh
In this project, different brands of microwave popcorn are tested and compared.
3rd grade
Science
Science Project
Acid Rain
Acid Rain
Science Project
Acid Rain
In this project, the affect of acid rain is simulated by the acid, vinegar.
3rd grade
Science
Science Project
Make Your Own Fizzy Lemonade
Make Your Own Fizzy Lemonade
Science Project
Make Your Own Fizzy Lemonade
This science fair experiment idea's objective is to understand the general concept of an acid and a base.
3rd grade
Science
Science Project
Water Salinity
Water Salinity
Science Project
Water Salinity
Will increasing the amount of salt in water effect how slow or fast the water freezes?
3rd grade
Science
Science Project
Melting Crayons
Melting Crayons
Science Project
Melting Crayons
Crayons aren't just good for creating colorful masterpieces -- they're also great for science!
3rd grade
Science
Science Project
Homemade Cleaners: Getting Squeaky Clean
Homemade Cleaners: Getting Squeaky Clean
Science Project
Homemade Cleaners: Getting Squeaky Clean
Cleaning can be a chore, but not with this sudsy experiment!
3rd grade
Science
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
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
Baking Soda and Vinegar Balloon
Baking Soda and Vinegar Balloon
Science Project
Baking Soda and Vinegar Balloon
How powerful is the reaction between baking soda and vinegar? Find out here!
3rd grade
Science
Science Project
How to Stop Soda From Exploding
How to Stop Soda From Exploding
Science Project
How to Stop Soda From Exploding
This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.
3rd grade
Science
Science Project
Does Gelatin Slow Down the Melting of Freezer Pops?
Does Gelatin Slow Down the Melting of Freezer Pops?
Science Project
Does Gelatin Slow Down the Melting of Freezer Pops?
This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
3rd grade
Science
Science Project
Best Insulators
Best Insulators
Science Project
Best Insulators
This science fair project idea examines which type of insulation holds in the most heat.
3rd grade
Science
Science Project