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.

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

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.

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

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

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

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

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

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.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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?

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?

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

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.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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.