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In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Windmill Model Science Project

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Soil Space: A Crowded Science

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Candy or Medicine?

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

Geology 101

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Series and Parallel Circuits

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Air Density, Convection, and the Movement of Air Molecules

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Design Challenge: Making a Catapult

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?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

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

Seedy Situation

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

True or False? The Lying Experiment

Find out whether matte or shiny nail polish lasts longer.

Which Nail Polish Lasts Longer: Matte or Shiny? 

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?

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Hero's Engine: Example of Newton's Third Law

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Preservatives in Food

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

Smile!

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Is it Possible to Blow a Square Bubble?

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Pruning Tomato Plants

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Breaking Rocks

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Does Liquid Weigh More after Freezing and Boiling?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Under What Conditions Do Potatoes Sprout The Fastest

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