Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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 that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Discover which fabrics shrink the most in the wash and why.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Discover how and which salt melts ice the quickest.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

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.

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.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Take a dive into the candy jar with this yummy science experiment.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.