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.

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

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

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.

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

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?

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

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

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

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

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.

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

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.

Do you think heat can affect a plant's growth rate?

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.

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 learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!