This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science experiment tests if dog saliva can really help heal wounds.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

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

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

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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.

The goal of this project is to create an exciting topographical map out of dough.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.