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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

The objective of this science project is to determine the length of time for different seeds to germinate.

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.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea determines what household items are good conductors of electricity.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this science fair project you will make a model of a cell membrane using very simple material.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.