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This science fair project idea  investigates the hardness property of minerals.

The Scratch Test: Testing a Rock's Hardness

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Complete Circuit: How Does a Flashlight Work?

This science fair project idea explores the different properties & interactions of sugar molecules.

Sugar Crystallization

Find out whether a longer airplane will fly farther or a wider paper airplane.

Does A Longer Paper Airplane Fly Farther than a Wide One?

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Dog Diets: Will a Dog Prefer Homemade Dog Food?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Magma Lamp: What Happens When a Less-Dense Fluid Interacts with a Denser One?

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Temperature, Air Humidity and Static Electricity

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using Mirrors in the Garden: Measuring Light Reflection

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

DIY Electromagnet

This science fair project idea examines whether adding gelatin causes a solid  to have a higher melting point and/or melt slower.

Does Gelatin Slow Down the Melting of Freezer Pops? 

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.

Lactose and Lactase: Exploring Enzymes as Catalysts

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Seafloor Spreading Model

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Example of Newton's First Law

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Decomposition Rates of Biodegradable Materials

Find out whether putting something on top of a plant will inhibit its growth.

Will A Plant Still Grow Even When You Put Something On Top Of It? 

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.

Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold? 

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Color and Heat Absorption

This science fair project explores how osmotic pressure forces water through the root up into the plant.

How Does Water Travel Up the Root of a Plant?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The Role of Fat in Food

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Third-Class Levers in the Human Body

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Like Oil And Vinegar

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Geology 101

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How Much Sugar?

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Seedy Situation

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What Is a Compound Microscope?

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

This science fair project will help students learn about non-vascular plants, such as mosses.

Water and Mosses

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What Is the Best Way to Wash Your Hands?

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.

Rust Chemistry: How Does Rust Form?

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Smile!

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