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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

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

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

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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.

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

This activity with add some fun and education to long car trips. Perfect for family vacations!

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!