Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

I scream, you scream, we all scream for homemade spearmint ice cream!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This biodiversity project examines the biodiversity in your own backyard.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this science project, the center of gravity is explored.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This basketball project explores the best way to make the perfect shot every time.

Find out whether packaged seeds actually do expire in this new science fair project idea.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

The objective of this science project is to determine the length of time for different seeds to germinate.