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.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Sponges are easy to handle and fun to play with, and your child will love putting these simple, three-piece puzzles together.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Plan ahead for summer, by constructing a holiday calendar with your child. A great way to teach kids about time!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This science fair project idea determines the way in which color affects memorization.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science fair project idea deals with the qualities of shade on a sunny day.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This science fair project idea investigates food preference of birds.

This science fair project idea determines which flower lasts the longest.

Help your child learn the language of mathematics through cupcakes with this fun counting activity.

This science fair project idea identifies clouds as a means of predicting the weather.

Science fair project that creates fog using bottles of hot and cold water.

Science fair project that uses distillation to convert salt water into fresh water.

Science fair project that cultivates slime mold and monitors the stages of its development.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This science fair project idea measures physical dexterity as a function of temperature.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.