This science project teaches students to classify different shapes of leaves.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

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

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

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

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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.

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

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.