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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

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

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Make a backbone model to explore human anatomy and life science.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.