The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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

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.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

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?

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Can cells be frozen? This science fair project provides information to answer this question.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Science fair project that uses distillation to convert salt water into fresh water.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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