Determine the relationship between the speed of a sound and the temperature of the air it passes through.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

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

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

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

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

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

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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

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

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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

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.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Check out this fun science project to explore the relationship between solubility, drug absorption, and time required for a drug effect to become apparent.

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.