In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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

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 color affects temperature.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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 idea explores the different properties of matter.

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

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.

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

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

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

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

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

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea determines the most effective method of preserving food.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea examines whether boys and girls differ in reflexes.

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