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48 filtered results
4th grade
Chemistry
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Soil pH: Acid or Alkaline?
Soil pH: Acid or Alkaline?
Science Project
Soil pH: Acid or Alkaline?
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
4th grade
Science
Science Project
Candy pH
Candy pH
Science Project
Candy pH
Take a dive into the candy jar with this yummy science experiment.
4th 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.
4th 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.
4th grade
Science
Science Project
How Solar Energy Heats Liquids of Different Colors
How Solar Energy Heats Liquids of Different Colors
Science Project
How Solar Energy Heats Liquids of Different Colors
This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.
4th 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.
4th grade
Science
Science Project
Salt Melting Ice
Salt Melting Ice
Science Project
Salt Melting Ice
Discover how and which salt melts ice the quickest.
4th grade
Science
Science Project
Does Hot Water Boil Faster Than Cold?
Does Hot Water Boil Faster Than Cold?
Science Project
Does Hot Water Boil Faster Than Cold?
Discover whether cold or hot water from the faucet will boil faster on the stove.
4th grade
Science
Science Project
Which Fabrics are Most Absorbent?
Which Fabrics are Most Absorbent?
Science Project
Which Fabrics are Most Absorbent?
Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.
4th grade
Science
Science Project
Mystery Powders
Mystery Powders
Science Project
Mystery Powders
Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.
4th grade
Science
Science Project
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Science Project
Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold?
Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.
4th grade
Science
Science Project
Does Adding Salt to Pasta make it Cook Faster?
Does Adding Salt to Pasta make it Cook Faster?
Science Project
Does Adding Salt to Pasta make it Cook Faster?
Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.
4th grade
Science
Science Project
Do Different Types of Oil Mix or “Stack”?
Do Different Types of Oil Mix or “Stack”?
Science Project
Do Different Types of Oil Mix or “Stack”?
Do different types of oil mix or stack? Find out in this science fair project idea!
4th grade
Science
Science Project
Lactose and Lactase: Exploring Enzymes as Catalysts
Science Project
Lactose and Lactase: Exploring Enzymes as Catalysts
Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.
4th grade
Science
Science Project
Making Fake Snot!
Making Fake Snot!
Science Project
Making Fake Snot!
Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.
4th grade
Science
Science Project
Chemical Indicators
Chemical Indicators
Science Project
Chemical Indicators
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
4th grade
Science
Science Project
Low Fat, Low Taste?
Low Fat, Low Taste?
Science Project
Low Fat, Low Taste?
This science fair project idea investigates if fats add to the flavor of food.
4th grade
Science
Science Project
Sugar Crystallization
Sugar Crystallization
Science Project
Sugar Crystallization
This science fair project idea explores the different properties & interactions of sugar molecules.
4th grade
Science
Science Project
Soap Bubbles
Soap Bubbles
Science Project
Soap Bubbles
This science fair project idea explores substances that cause a bubble to last longer.
4th grade
Science
Science Project
Like Oil And Vinegar
Like Oil And Vinegar
Science Project
Like Oil And Vinegar
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
4th grade
Science
Science Project
Halloween Decorations: Make Ghouly Hands!
Halloween Decorations: Make Ghouly Hands!
Activity
Halloween Decorations: Make Ghouly Hands!
Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.
4th grade
Science
Activity
Does Water Temperature Cause Metal to Expand and Contract?
Does Water Temperature Cause Metal to Expand and Contract?
Science Project
Does Water Temperature Cause Metal to Expand and Contract?
Discover whether a metal will expand under hot water.
4th grade
Science
Science Project
Building Up the Fizz in Soda
Building Up the Fizz in Soda
Science Project
Building Up the Fizz in Soda
Examine the effect of pressure on carbonation in soda.
4th grade
Science
Science Project