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.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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.

Use pepper and soap to discover some fun facts about the properties of water.

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

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

This science fair project idea investigates the hardness property of minerals.

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.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

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.

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

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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.

An home science experiment for older students that teaches about the science behind heat.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.