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This project examines what types of objects burn and which burn faster and cleaner.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This experiment tests which gender is better at catching how a magician performs his tricks.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Find out whether matte or shiny nail polish lasts longer.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea examines which type of insulation holds in the most heat.

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.