This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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 Halloween math activity book is a whole lot of fun.

This science project idea determines whether cold water boils faster than warm water.

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

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

The project idea is to understand why chocolate turns white and to determine the fastest way that this process can occur.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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

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.

Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.