This project explores what happens to a rubber band when it is heated and cooled.

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.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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!

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

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:

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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!

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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.

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

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