For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea investigates how images are influenced by changes in light.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

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

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

This project determines what category of person is most likely to be ticklish.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.