Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project teaches students the differences between fruits and vegetables.

The purpose of this science fair project is to build a basic radio.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

This science fair project idea explores which fruit molds the fastest.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea explores the different properties of matter.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea compares biodiversity between drops of water.

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this science fair project, students make their own rain gauge to measure rainfall.

Do different types of oil mix or stack? Find out in this science fair project idea!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

This science fair project idea explores substances that cause a bubble to last longer.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project idea produces sounds by creating vibrations using different objects.