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Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

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

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.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

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.

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

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

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.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

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

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

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Celebrate Chinese New Year by teaching your child how to use chopsticks! She'll build her math and fine motor skills as she does this activity.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.