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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

How powerful is the reaction between baking soda and vinegar? Find out here!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

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 footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.