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?

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!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

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 next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

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.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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.